Synchronization of old projects
Part1
This commit is contained in:
+211
@@ -0,0 +1,211 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio Version 17
|
||||
VisualStudioVersion = 17.14.36203.30
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "test1", "test1\test1.csproj", "{B5D2D87D-A962-4B4D-8D55-913F4B5D2467}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson1注释和console", "Lesson1\Lesson1注释和console.csproj", "{38D8CC7A-769C-4DE9-9835-54916128D614}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson2变量", "Lesson2变量\Lesson2变量.csproj", "{2E255F6C-89D2-4ECE-AC3F-4903A5D23765}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson2变量练习", "Lesson2变量练习\Lesson2变量练习.csproj", "{6BDC7E93-4AE2-4FD5-BD04-65720EDF0897}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson4变量的命名规则", "Lesson4变量的命名规则\Lesson4变量的命名规则.csproj", "{12B6A100-ABDE-40E8-B6F0-6FA53A805D9F}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson5常量", "Lesson5常量\Lesson5常量.csproj", "{29321A63-B872-4C19-B9B2-AEBD90D21697}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson6转义字符", "Lesson6转义字符\Lesson6转义字符.csproj", "{536E2B30-EA7F-4D2F-AE45-B518B988253D}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson7转义字符练习", "Lesson7转义字符练习\Lesson7转义字符练习.csproj", "{2925D024-47CC-4632-9CCE-DB7C2EE597CA}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson7隐式转换_类型转换", "Lesson7隐式转换_类型转换\Lesson7隐式转换_类型转换.csproj", "{D47510F0-704D-4BB6-B814-4E7C5FA7F6D4}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson8_显式转换", "Lesson8_显示转换\Lesson8_显式转换.csproj", "{DE655809-4BE0-46CE-A6AF-576B2AD80AB3}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson8_显式转换练习", "Lesson8_显式转换联系\Lesson8_显式转换练习.csproj", "{C3B313DE-D643-42EE-BF8B-0197CBE0096B}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson9_异常捕获", "Lesson9_异常捕获\Lesson9_异常捕获.csproj", "{96CB3658-80EE-4F20-9A1B-79D43C25DEDF}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson9_捕获异常练习", "Lesson9_捕获异常联系\Lesson9_捕获异常练习.csproj", "{2B9B9029-A2B0-4EAF-8C3D-1840C23209C3}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson10_算数运算符", "Lesson10_算数运算符\Lesson10_算数运算符.csproj", "{29A255F2-FFD0-4749-889A-C473BD8B1A01}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson10_算数运算符练习", "Lesson10_算数运算符练习\Lesson10_算数运算符练习.csproj", "{31DA648B-6D43-491D-8F74-A88095D778E1}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson11_字符串拼接", "Lesson11_字符串拼接\Lesson11_字符串拼接.csproj", "{90AE5DB8-797B-4D1D-B9C8-931B9CB031CC}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson11_字符串拼接练习", "Lesson11_字符串拼接练习\Lesson11_字符串拼接练习.csproj", "{390F2AAE-DADB-4054-B168-C4060195924F}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson12_条件运算符", "Lesson12_条件运算符\Lesson12_条件运算符.csproj", "{C09FCC0C-79AC-4B56-8AE1-9914E2D9E2B2}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson12_条件运算符练习", "Lesson12_条件运算符练习\Lesson12_条件运算符练习.csproj", "{B9E82214-EFF4-4060-998D-6A2FBB1BD09C}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson13_ 逻辑运算符", "Lesson13_ 逻辑运算符\Lesson13_ 逻辑运算符.csproj", "{8C3FDC09-CC22-460A-AB0C-E25BD103C7CF}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson13_逻辑运算符练习", "Lesson13_逻辑运算符练习\Lesson13_逻辑运算符练习.csproj", "{8D709A42-B8AA-4427-91DE-C9959F93F1A6}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson14_位运算", "Lesson14_位运算\Lesson14_位运算.csproj", "{0FC71AB1-4975-41ED-8DDA-6743C6622614}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson14_位运算练习", "Lesson14_位运算练习\Lesson14_位运算练习.csproj", "{563D0FEB-699D-4B22-8187-07A53891FF78}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson15_三目运算符", "Lesson15_三目运算符\Lesson15_三目运算符.csproj", "{B33DAB08-87FA-4EC1-A78E-0E38D9021CA5}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson15_三目运算符练习", "Lesson15_三目运算符练习\Lesson15_三目运算符练习.csproj", "{5A54CA20-4B7A-48D5-B975-16BD8A7529BC}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson16_条件分支语句if", "Lesson16_if语句\Lesson16_条件分支语句if.csproj", "{E62F1255-E9C2-4738-B365-25BF5F6C6A1D}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson16_条件分支语句if练习", "Lesson16_if语句练习\Lesson16_条件分支语句if练习.csproj", "{78484B21-A82F-4976-833B-5FF3D1B9C500}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson17_条件分支语句Switch", "Lesson17_条件分支语句Switch\Lesson17_条件分支语句Switch.csproj", "{F665FA1A-4EB9-48D8-BB93-3BDF9877362D}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson17_条件分支语句Switch练习", "Lesson17_条件分支语句Switch练习\Lesson17_条件分支语句Switch练习.csproj", "{4C056E34-110B-442B-8F90-6C2B212CFA09}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson18_循环语句while", "Lesson18_循环语句while\Lesson18_循环语句while.csproj", "{C69CBFA5-EACB-4E07-9E10-FDA4D5F80166}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson19_循环语句dowhile", "Lesson19_循环语句dowhile\Lesson19_循环语句dowhile.csproj", "{16573E5F-7BC5-4BEF-9DFB-7A1012C0BD8B}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson20_循环语句for", "Lesson19_循环语句for\Lesson20_循环语句for.csproj", "{D41F92B9-051D-4FF8-8AC0-9454A44FA31D}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Any CPU = Debug|Any CPU
|
||||
Release|Any CPU = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{B5D2D87D-A962-4B4D-8D55-913F4B5D2467}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{B5D2D87D-A962-4B4D-8D55-913F4B5D2467}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{B5D2D87D-A962-4B4D-8D55-913F4B5D2467}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{B5D2D87D-A962-4B4D-8D55-913F4B5D2467}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{38D8CC7A-769C-4DE9-9835-54916128D614}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{38D8CC7A-769C-4DE9-9835-54916128D614}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{38D8CC7A-769C-4DE9-9835-54916128D614}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{38D8CC7A-769C-4DE9-9835-54916128D614}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{2E255F6C-89D2-4ECE-AC3F-4903A5D23765}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{2E255F6C-89D2-4ECE-AC3F-4903A5D23765}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{2E255F6C-89D2-4ECE-AC3F-4903A5D23765}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{2E255F6C-89D2-4ECE-AC3F-4903A5D23765}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{6BDC7E93-4AE2-4FD5-BD04-65720EDF0897}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{6BDC7E93-4AE2-4FD5-BD04-65720EDF0897}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{6BDC7E93-4AE2-4FD5-BD04-65720EDF0897}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{6BDC7E93-4AE2-4FD5-BD04-65720EDF0897}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{12B6A100-ABDE-40E8-B6F0-6FA53A805D9F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{12B6A100-ABDE-40E8-B6F0-6FA53A805D9F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{12B6A100-ABDE-40E8-B6F0-6FA53A805D9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{12B6A100-ABDE-40E8-B6F0-6FA53A805D9F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{29321A63-B872-4C19-B9B2-AEBD90D21697}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{29321A63-B872-4C19-B9B2-AEBD90D21697}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{29321A63-B872-4C19-B9B2-AEBD90D21697}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{29321A63-B872-4C19-B9B2-AEBD90D21697}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{536E2B30-EA7F-4D2F-AE45-B518B988253D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{536E2B30-EA7F-4D2F-AE45-B518B988253D}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{536E2B30-EA7F-4D2F-AE45-B518B988253D}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{536E2B30-EA7F-4D2F-AE45-B518B988253D}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{2925D024-47CC-4632-9CCE-DB7C2EE597CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{2925D024-47CC-4632-9CCE-DB7C2EE597CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{2925D024-47CC-4632-9CCE-DB7C2EE597CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{2925D024-47CC-4632-9CCE-DB7C2EE597CA}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{D47510F0-704D-4BB6-B814-4E7C5FA7F6D4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{D47510F0-704D-4BB6-B814-4E7C5FA7F6D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{D47510F0-704D-4BB6-B814-4E7C5FA7F6D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{D47510F0-704D-4BB6-B814-4E7C5FA7F6D4}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{DE655809-4BE0-46CE-A6AF-576B2AD80AB3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{DE655809-4BE0-46CE-A6AF-576B2AD80AB3}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{DE655809-4BE0-46CE-A6AF-576B2AD80AB3}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{DE655809-4BE0-46CE-A6AF-576B2AD80AB3}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{C3B313DE-D643-42EE-BF8B-0197CBE0096B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{C3B313DE-D643-42EE-BF8B-0197CBE0096B}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{C3B313DE-D643-42EE-BF8B-0197CBE0096B}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{C3B313DE-D643-42EE-BF8B-0197CBE0096B}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{96CB3658-80EE-4F20-9A1B-79D43C25DEDF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{96CB3658-80EE-4F20-9A1B-79D43C25DEDF}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{96CB3658-80EE-4F20-9A1B-79D43C25DEDF}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{96CB3658-80EE-4F20-9A1B-79D43C25DEDF}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{2B9B9029-A2B0-4EAF-8C3D-1840C23209C3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{2B9B9029-A2B0-4EAF-8C3D-1840C23209C3}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{2B9B9029-A2B0-4EAF-8C3D-1840C23209C3}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{2B9B9029-A2B0-4EAF-8C3D-1840C23209C3}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{29A255F2-FFD0-4749-889A-C473BD8B1A01}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{29A255F2-FFD0-4749-889A-C473BD8B1A01}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{29A255F2-FFD0-4749-889A-C473BD8B1A01}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{29A255F2-FFD0-4749-889A-C473BD8B1A01}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{31DA648B-6D43-491D-8F74-A88095D778E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{31DA648B-6D43-491D-8F74-A88095D778E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{31DA648B-6D43-491D-8F74-A88095D778E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{31DA648B-6D43-491D-8F74-A88095D778E1}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{90AE5DB8-797B-4D1D-B9C8-931B9CB031CC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{90AE5DB8-797B-4D1D-B9C8-931B9CB031CC}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{90AE5DB8-797B-4D1D-B9C8-931B9CB031CC}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{90AE5DB8-797B-4D1D-B9C8-931B9CB031CC}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{390F2AAE-DADB-4054-B168-C4060195924F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{390F2AAE-DADB-4054-B168-C4060195924F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{390F2AAE-DADB-4054-B168-C4060195924F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{390F2AAE-DADB-4054-B168-C4060195924F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{C09FCC0C-79AC-4B56-8AE1-9914E2D9E2B2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{C09FCC0C-79AC-4B56-8AE1-9914E2D9E2B2}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{C09FCC0C-79AC-4B56-8AE1-9914E2D9E2B2}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{C09FCC0C-79AC-4B56-8AE1-9914E2D9E2B2}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{B9E82214-EFF4-4060-998D-6A2FBB1BD09C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{B9E82214-EFF4-4060-998D-6A2FBB1BD09C}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{B9E82214-EFF4-4060-998D-6A2FBB1BD09C}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{B9E82214-EFF4-4060-998D-6A2FBB1BD09C}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{8C3FDC09-CC22-460A-AB0C-E25BD103C7CF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{8C3FDC09-CC22-460A-AB0C-E25BD103C7CF}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{8C3FDC09-CC22-460A-AB0C-E25BD103C7CF}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{8C3FDC09-CC22-460A-AB0C-E25BD103C7CF}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{8D709A42-B8AA-4427-91DE-C9959F93F1A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{8D709A42-B8AA-4427-91DE-C9959F93F1A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{8D709A42-B8AA-4427-91DE-C9959F93F1A6}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{8D709A42-B8AA-4427-91DE-C9959F93F1A6}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{0FC71AB1-4975-41ED-8DDA-6743C6622614}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{0FC71AB1-4975-41ED-8DDA-6743C6622614}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{0FC71AB1-4975-41ED-8DDA-6743C6622614}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{0FC71AB1-4975-41ED-8DDA-6743C6622614}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{563D0FEB-699D-4B22-8187-07A53891FF78}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{563D0FEB-699D-4B22-8187-07A53891FF78}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{563D0FEB-699D-4B22-8187-07A53891FF78}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{563D0FEB-699D-4B22-8187-07A53891FF78}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{B33DAB08-87FA-4EC1-A78E-0E38D9021CA5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{B33DAB08-87FA-4EC1-A78E-0E38D9021CA5}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{B33DAB08-87FA-4EC1-A78E-0E38D9021CA5}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{B33DAB08-87FA-4EC1-A78E-0E38D9021CA5}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{5A54CA20-4B7A-48D5-B975-16BD8A7529BC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{5A54CA20-4B7A-48D5-B975-16BD8A7529BC}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{5A54CA20-4B7A-48D5-B975-16BD8A7529BC}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{5A54CA20-4B7A-48D5-B975-16BD8A7529BC}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{E62F1255-E9C2-4738-B365-25BF5F6C6A1D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{E62F1255-E9C2-4738-B365-25BF5F6C6A1D}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{E62F1255-E9C2-4738-B365-25BF5F6C6A1D}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{E62F1255-E9C2-4738-B365-25BF5F6C6A1D}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{78484B21-A82F-4976-833B-5FF3D1B9C500}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{78484B21-A82F-4976-833B-5FF3D1B9C500}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{78484B21-A82F-4976-833B-5FF3D1B9C500}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{78484B21-A82F-4976-833B-5FF3D1B9C500}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{F665FA1A-4EB9-48D8-BB93-3BDF9877362D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{F665FA1A-4EB9-48D8-BB93-3BDF9877362D}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{F665FA1A-4EB9-48D8-BB93-3BDF9877362D}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{F665FA1A-4EB9-48D8-BB93-3BDF9877362D}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{4C056E34-110B-442B-8F90-6C2B212CFA09}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{4C056E34-110B-442B-8F90-6C2B212CFA09}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{4C056E34-110B-442B-8F90-6C2B212CFA09}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{4C056E34-110B-442B-8F90-6C2B212CFA09}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{C69CBFA5-EACB-4E07-9E10-FDA4D5F80166}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{C69CBFA5-EACB-4E07-9E10-FDA4D5F80166}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{C69CBFA5-EACB-4E07-9E10-FDA4D5F80166}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{C69CBFA5-EACB-4E07-9E10-FDA4D5F80166}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{16573E5F-7BC5-4BEF-9DFB-7A1012C0BD8B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{16573E5F-7BC5-4BEF-9DFB-7A1012C0BD8B}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{16573E5F-7BC5-4BEF-9DFB-7A1012C0BD8B}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{16573E5F-7BC5-4BEF-9DFB-7A1012C0BD8B}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{D41F92B9-051D-4FF8-8AC0-9454A44FA31D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{D41F92B9-051D-4FF8-8AC0-9454A44FA31D}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{D41F92B9-051D-4FF8-8AC0-9454A44FA31D}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{D41F92B9-051D-4FF8-8AC0-9454A44FA31D}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {DA94A9F6-4704-4633-BFDB-26B03F3689FA}
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
@@ -1,43 +0,0 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio Version 17
|
||||
VisualStudioVersion = 17.14.36202.13 d17.14
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "test1", "test1\test1.csproj", "{431A94A0-24B2-497E-A1FE-693FA2EF350F}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson1注释&输入输出", "lesson1\Lesson1注释&输入输出.csproj", "{C9D85F7A-86E5-4034-AA0B-F469E441F9C5}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson1练习题", "Lession1练习题\Lesson1练习题.csproj", "{D965940D-E758-4A7C-977A-74E5793C593B}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson2变量", "Lesson2变量\Lesson2变量.csproj", "{21CE6A7D-CC82-4F41-A28F-54D2E535FB3F}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Any CPU = Debug|Any CPU
|
||||
Release|Any CPU = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{431A94A0-24B2-497E-A1FE-693FA2EF350F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{431A94A0-24B2-497E-A1FE-693FA2EF350F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{431A94A0-24B2-497E-A1FE-693FA2EF350F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{431A94A0-24B2-497E-A1FE-693FA2EF350F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{C9D85F7A-86E5-4034-AA0B-F469E441F9C5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{C9D85F7A-86E5-4034-AA0B-F469E441F9C5}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{C9D85F7A-86E5-4034-AA0B-F469E441F9C5}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{C9D85F7A-86E5-4034-AA0B-F469E441F9C5}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{D965940D-E758-4A7C-977A-74E5793C593B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{D965940D-E758-4A7C-977A-74E5793C593B}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{D965940D-E758-4A7C-977A-74E5793C593B}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{D965940D-E758-4A7C-977A-74E5793C593B}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{21CE6A7D-CC82-4F41-A28F-54D2E535FB3F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{21CE6A7D-CC82-4F41-A28F-54D2E535FB3F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{21CE6A7D-CC82-4F41-A28F-54D2E535FB3F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{21CE6A7D-CC82-4F41-A28F-54D2E535FB3F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {972D1D6C-AC89-49B8-9AE0-EB671A0842D5}
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,140 @@
|
||||
using System;
|
||||
namespace Lesson10
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("算术运算符");
|
||||
//算数运算符 是用于 数值类型变量计算的运算符
|
||||
//他返回的结果是数值
|
||||
|
||||
#region 赋值运算符
|
||||
// = 赋值运算符
|
||||
// 关键知识点：
|
||||
// 先看右侧 再看左侧 把右侧的值赋给左侧的变量
|
||||
|
||||
string myName = "HK";// 先看右侧 "HK" 再看左侧 myName 把 "HK" 赋值给 myName
|
||||
int myAge = 18; // 先看右侧 18 再看左侧 myAge 把 18 赋值给 myAge
|
||||
float myHeight = 1.75f; // 先看右侧 1.75f 再看左侧 myHeight 把 1.75f 赋值给 myHeight
|
||||
#endregion
|
||||
|
||||
#region 算术运算符
|
||||
|
||||
#region +加号运算符
|
||||
// 用自己计算 先算右侧结果 再赋值给左侧变量
|
||||
int i = 1;
|
||||
i = i + 2;//先算右侧 i + 2 = 3 再赋值给左侧 i
|
||||
Console.WriteLine("i = " + i); // 输出 i = 3
|
||||
|
||||
//连续运算 先算右侧结果 再赋值给左侧变量
|
||||
i = i + 2 + 3; //先算右侧 i + 2 + 3 = 8 再赋值给左侧 i
|
||||
Console.WriteLine("i = " + i); // 输出 i = 8
|
||||
|
||||
//初始化时就运算 先算右侧结果 再赋值给左侧变量
|
||||
int j = 1 + 2 + 3; //先算右侧 1 + 2 + 3 = 6 再赋值给左侧 j
|
||||
Console.WriteLine("j = " + j); // 输出 j = 6
|
||||
#endregion
|
||||
|
||||
#region -减号运算符
|
||||
// 同加法
|
||||
#endregion
|
||||
|
||||
#region *乘号运算符
|
||||
// 乘法运算符 * 用于两个数相乘
|
||||
int k = 2 * 3; //先算右侧 2 * 3 = 6 再赋值给左侧 k
|
||||
Console.WriteLine("k = " + k); // 输出 k = 6
|
||||
// 乘法也可以连续运算
|
||||
k = k * 2 * 3; //先算右侧 k * 2 * 3 = 36 再赋值给左侧 k
|
||||
Console.WriteLine("k = " + k); // 输出 k = 36
|
||||
#endregion
|
||||
|
||||
#region /除号运算符
|
||||
// 除法运算符 / 用于两个数相除
|
||||
int m = 6 / 2; //先算右侧 6 / 2 = 3 再赋值给左侧 m
|
||||
Console.WriteLine("m = " + m); // 输出 m = 3
|
||||
// 除法也可以连续运算
|
||||
m = m / 2 / 3; //先算右侧 m / 2 / 3 = 0 再赋值给左侧 m
|
||||
Console.WriteLine("m = " + m); // 输出 m = 0
|
||||
// 注意：除法运算如果除数为0，会抛出异常
|
||||
try
|
||||
{
|
||||
int n = 6 / 0; //会抛出异常
|
||||
}
|
||||
catch (DivideByZeroException ex)
|
||||
{
|
||||
Console.WriteLine("除数不能为0！" + ex.Message);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region %取余运算符
|
||||
// 取余运算符 % 用于两个数相除后，返回余数
|
||||
int o = 7 % 3; //先算右侧 7 % 3 = 1 再赋值给左侧 o
|
||||
Console.WriteLine("o = " + o); // 输出 o = 1
|
||||
o = o / 3;
|
||||
Console.WriteLine("o = " + o); // 输出 o = 0
|
||||
// 注意：取余运算如果除数为0，会抛出异常
|
||||
o = o / 3;
|
||||
try
|
||||
{
|
||||
int p = 7 % 0; //会抛出异常
|
||||
}
|
||||
catch (DivideByZeroException ex)
|
||||
{
|
||||
Console.WriteLine("除数不能为0！" + ex.Message);
|
||||
}
|
||||
#endregion
|
||||
|
||||
|
||||
|
||||
#endregion
|
||||
|
||||
#region 算数运算符的 优先级
|
||||
// 乘除取余运算符优先级高于加减运算符
|
||||
|
||||
// 先算乘除取余运算符 再算加减运算符
|
||||
int a = 1 + 2 * 3 / 2 + 1;//先算右侧 2 * 3 = 6 再算 6 / 2 = 3 再算 1 + 3 + 1 = 5
|
||||
Console.WriteLine(a);
|
||||
|
||||
//括号可以改变运算顺序
|
||||
int b = (1 + 2) * 3 / 2 + 1; //先算右侧 (1 + 2) = 3 再算 3 * 3 = 9 再算 9 / 2 = 4.5 再算 4.5 + 1 = 5.5
|
||||
Console.WriteLine(b);
|
||||
//注意：括号内的运算优先级最高
|
||||
|
||||
//多组括号 可以嵌套运算 先算最内层括号
|
||||
int c = (1 + (2 * 3)) / 2 + 1; //先算右侧 (2 * 3) = 6 再算 (1 + 6) = 7 再算 7 / 2 = 3.5 再算 3.5 + 1 = 4.5
|
||||
Console.WriteLine(c);
|
||||
#endregion
|
||||
|
||||
#region 算数运算符的 复合运算符号
|
||||
// 复合运算符号 是对算数运算符的简化写法
|
||||
// += 复合加法运算符
|
||||
i += 2; //等价于 i = i + 2; 先算右侧 i + 2 = 10 再赋值给左侧 i
|
||||
// -= 复合减法运算符
|
||||
i -= 2; //等价于 i = i - 2; 先算右侧 i - 2 = 8 再赋值给左侧 i
|
||||
// *= 复合乘法运算符
|
||||
i *= 2; //等价于 i = i * 2; 先算右侧 i * 2 = 16 再赋值给左侧 i
|
||||
// /= 复合除法运算符
|
||||
i /= 2; //等价于 i = i / 2; 先算右侧 i / 2 = 8 再赋值给左侧 i
|
||||
// %= 复合取余运算符
|
||||
i %= 2;//等价于 i = i % 2; 先算右侧 i % 2 = 0 再赋值给左侧 i
|
||||
#endregion
|
||||
|
||||
#region 算数运算符的 自增减
|
||||
// 自增自减运算符 是对变量的值进行加1或减1的运算符
|
||||
i = i + 1;
|
||||
i += 1;
|
||||
i++;
|
||||
++i;
|
||||
//以上四种写法是等价的
|
||||
|
||||
//但是也有区别
|
||||
i++;//表示的意思是先使用 i 的值，然后再加1
|
||||
++i;//表示的意思是先加1，然后再使用 i 的值
|
||||
|
||||
//自减运算符同理
|
||||
#endregion
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,55 @@
|
||||
using System;
|
||||
namespace Lesson10
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 年龄
|
||||
int myAge = 18;
|
||||
myAge += 10;
|
||||
Console.WriteLine("十年后我的年龄是：" + myAge);
|
||||
#endregion
|
||||
|
||||
|
||||
#region 圆的面积
|
||||
const float PI = 3.1415926f;
|
||||
int radius = 5;
|
||||
float area = PI * radius * radius;
|
||||
float circumference = 2f * PI * radius;
|
||||
Console.WriteLine("半径为" + radius + "的圆的面积是：" + area + "周长是:" + circumference);
|
||||
#endregion
|
||||
|
||||
#region 计算成绩
|
||||
int score1 = 80;
|
||||
int score2 = 90;
|
||||
int score3 = 92;
|
||||
int totalScore = score1 + score2 + score3;
|
||||
float avgScore = totalScore / 3.0f;
|
||||
Console.WriteLine("你的总成绩为:" + totalScore);
|
||||
Console.WriteLine("你的平均分为:" + avgScore);
|
||||
#endregion
|
||||
|
||||
#region 交换变量值
|
||||
int a = 99;
|
||||
int b = 87;
|
||||
int temp;
|
||||
temp = a;
|
||||
a = b;
|
||||
b = temp;
|
||||
Console.WriteLine($"交换后A的值为:{a}B的值为:{b}");
|
||||
#endregion
|
||||
|
||||
#region 时间转换
|
||||
int second = 987652;
|
||||
int hour, minute, day;
|
||||
day = second / 86400; // 1天 = 86400秒
|
||||
hour = (second - (day * 86400)) / 3600; // 1小时 = 3600秒
|
||||
minute = (second - (day * 86400 + hour * 3600)) / 60; // 1分钟 = 60秒
|
||||
second = second - (day * 86400 + hour * 3600 + minute * 60);
|
||||
Console.WriteLine($"转换后的时间为{day}天{hour}小时{minute}分钟{second}秒");
|
||||
#endregion
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,68 @@
|
||||
using System;
|
||||
namespace lesson11
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("字符串拼接");
|
||||
Console.WriteLine();
|
||||
|
||||
#region 知识点一字符串拼接方式1
|
||||
//算数运算符只是用来数值运算
|
||||
//而string不能来做数值运算
|
||||
//但是可以用来做字符串拼接
|
||||
Console.WriteLine("拼接方式一加号拼接:");
|
||||
//字符串拼接的方式1：使用加号运算符
|
||||
string str = "123";
|
||||
str = str + "456"; //字符串拼接
|
||||
Console.WriteLine(str);
|
||||
|
||||
str = str + 1;//1虽然没有加双引号，但它会被自动转换为字符串
|
||||
Console.WriteLine(str);
|
||||
|
||||
//如果需要加上数值，可以先转换为数值类型，运算完成后再转换为字符串
|
||||
str = (int.Parse(str) + Convert.ToInt32("1")).ToString();
|
||||
Console.WriteLine(str);
|
||||
|
||||
//复合运算符也可以用来拼接字符串
|
||||
str = "123";
|
||||
str += "456" + 7 + true;
|
||||
Console.WriteLine(str);
|
||||
|
||||
//但是要注意加号运算符拼接时，后面全是数值类型
|
||||
str = "123";
|
||||
str += 4 + 5;//这里因为运算规则，会先看右边全是数值类型，所以是以数值类型先运算完后再转换为字符串拼接
|
||||
Console.WriteLine(str);
|
||||
str = "123";
|
||||
str += 1 + 2 + "" + 3 + 4;//这里会先运算1+2的结果再把3和4当作字符串拼接上去
|
||||
Console.WriteLine(str);
|
||||
|
||||
//如果后方只拼接数值类型，但又不想被当作数值类型运算，可以直接套双引号或加空双引号""来避免这种问题
|
||||
str = "123";
|
||||
str += "" + 4 + 5;
|
||||
Console.WriteLine(str);
|
||||
|
||||
Console.WriteLine();
|
||||
#endregion
|
||||
|
||||
#region 知识点二字符串拼接方式2
|
||||
//固定语法
|
||||
//string.Format("待拼接的字符串", 内容1, 内容2, ...);
|
||||
//拼接内容中的固定规则
|
||||
//想要被拼接的内容用占位符{}来表示
|
||||
//eg: "拼接内容{0}，内容{1}，内容{2}"
|
||||
string str2 = string.Format("我是{0},今年{1}岁，我想要{2}", "ZJ", 18, "天天开心");
|
||||
Console.WriteLine(str2);
|
||||
|
||||
Console.WriteLine();
|
||||
#endregion
|
||||
|
||||
#region 知识点三控制台打印
|
||||
//和方法二类似
|
||||
Console.WriteLine("A{0},B{1},C{2}",1,2,3);
|
||||
#endregion
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,35 @@
|
||||
using System;
|
||||
namespace Lessson11_exercise
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
string customerName = "张三";
|
||||
Console.WriteLine("你好，{0}",customerName);
|
||||
Console.WriteLine();
|
||||
|
||||
string customerName2 = "李四";
|
||||
int customerAge = 25;
|
||||
Console.WriteLine("{0}今年{1}岁了\n", customerName2,customerAge);
|
||||
|
||||
string name = "小明";
|
||||
int age = 20;
|
||||
string email = "123@gmail.com";
|
||||
string address = "北京市朝阳区某街道某小区";
|
||||
string phone = "12345678901";
|
||||
Console.WriteLine("姓名：{0}\n年龄：{1}\n邮箱：{2}\n地址：{3}\n电话：{4}\n", name, age, email, address, phone);
|
||||
|
||||
string username;
|
||||
int age1;
|
||||
string classes;
|
||||
Console.WriteLine("请输入你的用户名:");
|
||||
username = Console.ReadLine();
|
||||
Console.WriteLine("请输入你的年龄:");
|
||||
age1 = Convert.ToInt32(Console.ReadLine());
|
||||
Console.WriteLine("请输入你的班级:");
|
||||
classes = Console.ReadLine();
|
||||
Console.WriteLine("你是{0}\n你今年{1}岁了\n班级是{2}\n",username,age1,classes);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,23 @@
|
||||
using System;
|
||||
namespace lesson11
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 1
|
||||
string customerName = "张三";
|
||||
Console.WriteLine("你好"+customerName);
|
||||
|
||||
Console.WriteLine("你好{0}", customerName);
|
||||
|
||||
string str = string.Format("你好{0}", customerName);
|
||||
Console.WriteLine(str);
|
||||
#endregion
|
||||
|
||||
#region 2
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,88 @@
|
||||
using System;
|
||||
namespace lesson12_条件运算符
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(String[] args)
|
||||
{
|
||||
#region 知识点一 条件运算符
|
||||
//用于比较两个变量或常量
|
||||
// 是否大于 >
|
||||
// 是否小于 <
|
||||
// 是否大于等于 >=
|
||||
// 是否小于等于 <=
|
||||
// 是否等于 ==
|
||||
// 是否不等于 !=
|
||||
|
||||
// 条件运算符一定存在两边的内容
|
||||
// 左边的内容 条件运算符 右边的内容
|
||||
int a = 5;
|
||||
int b = 10;
|
||||
|
||||
// a > b; 判断 a 是否大于 b
|
||||
// 结果是一个布尔值 true 或 false
|
||||
|
||||
bool result = a > b; // 将结果赋值给变量
|
||||
Console.WriteLine(result); // 输出结果
|
||||
Console.WriteLine(a < b);
|
||||
#endregion
|
||||
|
||||
#region 知识点二 各种应用写法
|
||||
a = 5;
|
||||
b = 10;
|
||||
//变量和变量的比较
|
||||
result = a > b; // false
|
||||
//变量和常量的比较
|
||||
result = a < 10;//true
|
||||
result = b > 5;//true
|
||||
//数值和数值的比较
|
||||
result = 5 < 10; // true
|
||||
result = 10 >= 5; // true
|
||||
result = 5 != 10; // true
|
||||
//计算结果比较(优先级知识点)
|
||||
result = a+3 > b-2; // true
|
||||
|
||||
#endregion
|
||||
|
||||
#region 知识点三 不能进行范围比较
|
||||
a = 5;
|
||||
//判断是否在某个范围内
|
||||
// 1 < a < 10; // 错误的写法，不能直接使用范围比较
|
||||
// 需要使用逻辑运算符来实现范围比较
|
||||
// 正确的写法是使用逻辑与运算符 && 来连接两个条件
|
||||
result = a > 1 && a < 10; // true
|
||||
#endregion
|
||||
|
||||
#region 知识点四 不同类型的比较
|
||||
// 不同类型的比较会发生隐式转换
|
||||
int i = 5;
|
||||
float f = 1.2f;
|
||||
double d = 12.4;
|
||||
short s = 2;
|
||||
byte by = 20;
|
||||
uint ui = 222;
|
||||
|
||||
result = i > f; // true, int 和 float 比较，int 转换为 float
|
||||
result = f < d; // true, float 和 double 比较，float 转换为 double
|
||||
result = i < by; // true, int 和 byte 比较，byte 转换为 int
|
||||
result = i < ui; // true, int 和 uint 比较，int 转换为 uint
|
||||
|
||||
//特殊类型 char string bool 只能和同类型进行 == 和 != 比较
|
||||
string str = "123";
|
||||
char fc = 'A';
|
||||
bool bo = true;
|
||||
|
||||
result = str == "123"; // true, string 和 string 比较
|
||||
result = str == "234"; // false, string 和 string 比较
|
||||
|
||||
|
||||
//char不仅可以和 char 比较，还可以和 int 比较
|
||||
char c = 'A';
|
||||
result = c > 123; // true, char 和 int 比较，char 转换为 int
|
||||
result = c > 'a'; // true, char 和 char 比较
|
||||
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,35 @@
|
||||
using System;
|
||||
namespace Lesson12_练习题
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 口算
|
||||
//请回答一下问题：
|
||||
//我的年龄（18）>你们的年龄（22）false
|
||||
//兔子的速度（3m/s）<乌龟的速度（1m/s）false
|
||||
//狗的重量（50kg）<兔子的重量（2kg）false
|
||||
//我有钱（10元）==你有钱（10元）true
|
||||
#endregion
|
||||
|
||||
#region 求打印结果
|
||||
//bool b = true;
|
||||
//console.WriteLine(b != true); false
|
||||
//console.WriteLine(10==10); ture
|
||||
//console.WriteLine(10 > 20); false
|
||||
//console.WriteLine(10 <= 20); true
|
||||
//console.WriteLine(10 <= 10); true
|
||||
#endregion
|
||||
|
||||
#region 综合练习
|
||||
//bool gameOver,startGame;
|
||||
//int a = 10,b = 15;
|
||||
//gameOver = a > (b - 5);
|
||||
//startGame = gameOver == (b > (a + 5));
|
||||
//console.WriteLine("stratGame = " + startGame);
|
||||
//true
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<RootNamespace>Lesson13__逻辑运算符</RootNamespace>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,82 @@
|
||||
using System;
|
||||
namespace Lesson12_逻辑运算符
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 逻辑与
|
||||
//符号&&
|
||||
//规则：对两个bool值进行逻辑与运算，只有当两个值都为true时，结果才为true，否则为false。
|
||||
bool result = true && false;
|
||||
Console.WriteLine(result); // 输出: False
|
||||
result = true && true;
|
||||
Console.WriteLine(result); // 输出: True
|
||||
|
||||
//bool相关类型 bool变量 条件运算符
|
||||
//逻辑运算符优先级 低于 条件运算符 和 关系运算符
|
||||
result = 3 > 1 && 1 < 2;// 先计算关系运算符，再计算逻辑运算符
|
||||
Console.WriteLine(result);// 输出: True
|
||||
|
||||
int i = 3;
|
||||
result = i > 1 && i < 5; // 先计算关系运算符，再计算逻辑运算符
|
||||
Console.WriteLine(result); // 输出: True
|
||||
#endregion
|
||||
|
||||
#region 知识点二 逻辑或
|
||||
//符号||
|
||||
//规则：对两个bool值进行逻辑或运算，只要有一个值为true，结果就为true，否则为false。
|
||||
result = true || false;
|
||||
Console.WriteLine(result);// 输出: True
|
||||
result = false || true;
|
||||
Console.WriteLine(result);// 输出: True
|
||||
result = true || true;
|
||||
Console.WriteLine(result);// 输出: True
|
||||
result = false || false;
|
||||
Console.WriteLine(result);// 输出: False
|
||||
#endregion
|
||||
|
||||
#region 知识点三 逻辑非
|
||||
//符号!
|
||||
//规则：对一个bool值进行取反，真变假，假变真
|
||||
result = !true;
|
||||
Console.WriteLine(result);// 输出：false
|
||||
result = !false;
|
||||
Console.WriteLine(result);// 输出：true
|
||||
result = !!false;
|
||||
Console.WriteLine(result);// 输出：false
|
||||
|
||||
//result = !3 > 2;
|
||||
//逻辑非的优先级较高会直接报错必须要套括号
|
||||
result = !(3 > 2);
|
||||
Console.WriteLine(result);// 输出：false
|
||||
#endregion
|
||||
|
||||
#region 知识点四 混合使用优先级
|
||||
//规则 !（逻辑非）的优先级最高，&&（逻辑与）的优先级高于||（逻辑或）
|
||||
//逻辑运算符优先级 低于 算术运算符 条件运算符
|
||||
|
||||
bool gameOver = false;
|
||||
int hp = 100;
|
||||
bool isDead = false;
|
||||
bool isMustOver = true;
|
||||
|
||||
result = gameOver || hp < 0 && !isDead || isMustOver;
|
||||
Console.WriteLine(result);//输出 True
|
||||
#endregion
|
||||
|
||||
#region 知识点五 逻辑运算符短路规则
|
||||
int i3 = 1;
|
||||
//短路
|
||||
result = i3 > 0 || ++i3 >= 1;//i3此时不会+1为2
|
||||
Console.WriteLine(i3);
|
||||
Console.WriteLine(result);//输出true
|
||||
//在左边i3 > 0运算后，已经出现了boolean值，后面的表达式不会计算了
|
||||
//概念：只要逻辑与 或者 逻辑或 左边已经满足了条件，后面的结果不会继续运算了
|
||||
result = ++i3 >= 1 && i3 < 0;//i3此时会先进行运算
|
||||
Console.WriteLine(i3);
|
||||
Console.WriteLine(result);//输出false
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,27 @@
|
||||
using System;
|
||||
namespace Lesson13
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 练习题一
|
||||
//求打印结果
|
||||
//Console.WriteLine(true || true); true
|
||||
//Console.WriteLine(false || true); true
|
||||
//Console.WriteLine(true && true); true
|
||||
//Console.WriteLine(true && false); false
|
||||
//Console.WriteLine(!true);false
|
||||
#endregion
|
||||
|
||||
#region 练习题二
|
||||
//求打印结果
|
||||
bool gameOver;
|
||||
bool isWin;
|
||||
int health = 100;
|
||||
gameOver = true;
|
||||
isWin = false;
|
||||
Console.WriteLine(gameOver || isWin && health > 0);//true
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,64 @@
|
||||
using System;
|
||||
namespace Lesson14
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
//位运算主要使用数值类型计算
|
||||
//将数值类型转换为二进制形式进行计算
|
||||
//位运算符包括：& | ^ ~ << >>
|
||||
|
||||
#region 知识点一 位与 &
|
||||
// 规则 连接两个数值进行位与运算 将数值转为二进制
|
||||
// 对位运算 有0则0
|
||||
int a = 1;//001
|
||||
int b = 5;//101
|
||||
int c = a & b;
|
||||
// 001 & 101 = 001
|
||||
Console.WriteLine(c);//001 & 101 = 001
|
||||
Console.WriteLine(10 & 5);//1010 & 0101 = 0000
|
||||
Console.WriteLine(3 & 19);//00011 & 10011 = 00011
|
||||
Console.WriteLine(19 & 3);//10011 & 00011 = 00011
|
||||
Console.WriteLine(1 & 2);//01 & 10 = 00
|
||||
//有点像是取最小的数，但不实际是这样
|
||||
#endregion
|
||||
|
||||
#region 知识点二 位或 |
|
||||
// 规则 连接两个数值进行位或运算 将数值转为二进制
|
||||
// 对位运算 有1则1
|
||||
Console.WriteLine(2 & 3);// 00010 & 00011 = 00011
|
||||
Console.WriteLine(3 & 2);// 00011 & 00010 = 00011
|
||||
Console.WriteLine(12 & 3);// 00001100 & 00000011 = 00000000
|
||||
#endregion
|
||||
|
||||
#region 知识点三 位异或 ^
|
||||
// 规则 连接两个数值进行位异或运算 将数值转为二进制
|
||||
// 对位运算 相同为0 不同为1
|
||||
Console.WriteLine(2 ^ 3);// 00010 ^ 00011 = 00001
|
||||
Console.WriteLine(3 ^ 2);// 00011 ^ 00010 = 00001
|
||||
Console.WriteLine(12 ^ 3);// 00001100 ^ 00000011 = 00001111
|
||||
#endregion
|
||||
|
||||
#region 知识点四 位非 ~
|
||||
// 规则 连接一个数值进行位非运算 将数值转为二进制
|
||||
// 对位运算 0变1 1变0
|
||||
Console.WriteLine(~2);// ~00010 = 11101 = -3
|
||||
// 但是要注意，特定变量类型前面的位会补全例如int
|
||||
int test = 10;
|
||||
Console.WriteLine(~test);// ~00000000000000000000000000001010 = 11111111111111111111111111110101 = -11
|
||||
#endregion
|
||||
|
||||
#region 知识点五 左移 << 和 右移 >>
|
||||
// 规则 左移运算符将数值的二进制位向左移动指定的位数，右移运算符将数值的二进制位向右移动指定的位数
|
||||
// 左移相当于乘以2的n次方 右移相当于除以2的n次方
|
||||
a = 5;// 101
|
||||
c = a << 5; // 5左移5位
|
||||
Console.WriteLine(c);// 10100000 = 160
|
||||
//右移同理
|
||||
c = a >> 2; // 5右移2位
|
||||
Console.WriteLine(c);// 00000101 >> 2 = 00000001 = 1
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,31 @@
|
||||
using System;
|
||||
namespace lesson14
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 练习题一
|
||||
// 35 << 4 和 66 >> 1 的结果是多少？
|
||||
// 35 = 00100011
|
||||
// 35 << 4 = 001000110000 = 560
|
||||
Console.WriteLine(35 << 4);
|
||||
// 66 = 01000010
|
||||
// 66 >> 1 = 00100001 = 33
|
||||
Console.WriteLine(66 >> 1);
|
||||
#endregion
|
||||
|
||||
#region 练习题二
|
||||
// 99 ^ 33 和 76 | 85 的结果是多少？
|
||||
// 99 = 01100011
|
||||
// 33 = 00100001
|
||||
// 99 ^ 33 = 01000010 = 66
|
||||
Console.WriteLine(99 ^ 33);
|
||||
// 76 = 01001100
|
||||
// 85 = 01010101
|
||||
// 76 | 85 = 01011101 = 125
|
||||
Console.WriteLine(76 | 85);
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,29 @@
|
||||
using System;
|
||||
namespace lesson15
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 基本语法
|
||||
// 套路： 3个空位 2个符号
|
||||
// 固定语法：空位 ？空位 ：空位
|
||||
// 关键信息：bool类型 ？bool类型为真返回内容 ：bool类型为假返回内容
|
||||
// 三目运算符会有返回值，这个返回值类型必须一致且必须被使用
|
||||
#endregion
|
||||
|
||||
#region 知识点二 具体运用
|
||||
string str = true ? "条件为真" : "条件为假";
|
||||
Console.WriteLine(str);// 输出：条件为真
|
||||
str = false ? "条件为真" : "条件为假";
|
||||
Console.WriteLine(str);// 输出：条件为假
|
||||
|
||||
int a = 5;
|
||||
str = a > 1 ? "a大于1" : "a小于等于1";
|
||||
|
||||
bool b = a > 1 ? a > 6 : !false;
|
||||
Console.WriteLine(b);// 输出：False
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,18 @@
|
||||
|
||||
#region 练习题一
|
||||
//比较两个数的大小，求出最大的
|
||||
//int a = 10;
|
||||
//int b = 15;
|
||||
|
||||
//string str = a > b ? "a大于b" : "b大于等于a";
|
||||
//Console.WriteLine(str); // 输出：b大于等于a
|
||||
|
||||
Console.WriteLine("请输入两个数来比较大小");
|
||||
Console.WriteLine("请输入第一个数：");
|
||||
int a = int.Parse(Console.ReadLine());
|
||||
Console.WriteLine("请输入第二个数：");
|
||||
int b = int.Parse(Console.ReadLine());
|
||||
|
||||
string result = a > b ? "第一个数大于第二个数" : "第二个数大于等于第一个数";
|
||||
Console.WriteLine(result);
|
||||
#endregion
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,99 @@
|
||||
using System;
|
||||
namespace Lesson16
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 作用
|
||||
//让顺序执行的代码 产生分支
|
||||
//
|
||||
#endregion
|
||||
|
||||
#region 知识点二 if语句
|
||||
//作用：满足条件时 多执行一些代码
|
||||
//语法：
|
||||
//if (条件表达式) { 代码块 }
|
||||
//if (条件表达式) { 代码块 } else { 代码块 }
|
||||
//if (条件表达式) { 代码块 } else if (条件表达式) { 代码块 } else { 代码块 }
|
||||
//条件表达式：返回true或false的bool值表达式
|
||||
//只有返回值为true时，代码块才会执行
|
||||
//else：可选，表示条件不满足时执行的代码块
|
||||
//注意：
|
||||
//1.if语句条件表达式部分不用写分号
|
||||
//2.if语句可以嵌套使用
|
||||
//
|
||||
Console.WriteLine("这是代码块外的代码");
|
||||
if (true)
|
||||
{
|
||||
Console.WriteLine("进入了if语句代码块，执行了其中的代码逻辑");
|
||||
}//会被执行打印
|
||||
Console.WriteLine("这是代码块外的代码");
|
||||
if (false)
|
||||
{
|
||||
Console.WriteLine("进入了if语句代码块，执行了其中的代码逻辑");
|
||||
}//不会被执行
|
||||
|
||||
|
||||
//例子
|
||||
int a = 1;
|
||||
if (a == 1)
|
||||
{
|
||||
Console.WriteLine("满足a == 1条件");
|
||||
}
|
||||
|
||||
a = 1;
|
||||
if (a >= 0 && a <= 5)
|
||||
{
|
||||
Console.WriteLine("满足0<a<5条件");
|
||||
}
|
||||
|
||||
//例子2
|
||||
string name = "HK";
|
||||
string passWord = "666";
|
||||
if ( name == "HK" && passWord == "666" )
|
||||
{
|
||||
Console.WriteLine("登录成功");
|
||||
}
|
||||
|
||||
//嵌套使用例子
|
||||
if ( name == "HK")
|
||||
{
|
||||
Console.WriteLine("用户名可用");
|
||||
if ( passWord == "666")
|
||||
{
|
||||
Console.WriteLine("密码验证成功");
|
||||
}
|
||||
}
|
||||
|
||||
//if else例子
|
||||
//注意：
|
||||
//1.if else语句中else部分的条件表达式是可选的
|
||||
//2.else部分的代码块会在if条件不满足时执行
|
||||
//3.在第一个else if被执行后，后续的else if和else部分将不会被执行，这样可以避免多次执行代码块
|
||||
if (name == "HK")
|
||||
{
|
||||
Console.WriteLine("用户名可用");
|
||||
}
|
||||
else
|
||||
{
|
||||
Console.WriteLine("用户名不可用");
|
||||
}
|
||||
|
||||
//if else if 例子
|
||||
if (name == "HK")
|
||||
{
|
||||
Console.WriteLine("用户名可用");
|
||||
}
|
||||
else if (name == "HK2")
|
||||
{
|
||||
Console.WriteLine("用户名可用2");
|
||||
}
|
||||
else
|
||||
{
|
||||
Console.WriteLine("用户名不可用");
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,146 @@
|
||||
|
||||
#region 练习题一
|
||||
//try
|
||||
//{
|
||||
// Console.Write("请输入你今天看教学的时长：");
|
||||
// int time = Convert.ToInt16(console.readline());
|
||||
// if (time >= 60)
|
||||
// {
|
||||
// Console.WriteLine("今天看视频花了{0}分钟，看来你离成功又近了一步！", time);
|
||||
// }
|
||||
// else Console.WriteLine("请继续努力");
|
||||
//}
|
||||
//catch
|
||||
//{
|
||||
// Console.WriteLine("输入格式有误请重新重试");
|
||||
//}
|
||||
#endregion
|
||||
|
||||
#region 练习题二
|
||||
//try
|
||||
//{
|
||||
// int yuWen, shuXue, yingYu;
|
||||
// Console.Write("请输入你的语文成绩：");
|
||||
// yuWen = Convert.ToInt16(Console.ReadLine());
|
||||
// Console.Write("请输入你的数学成绩：");
|
||||
// shuXue = Convert.ToInt16(Console.ReadLine());
|
||||
// Console.Write("请输入你的英语成绩：");
|
||||
// yingYu = Convert.ToInt16(Console.ReadLine());
|
||||
|
||||
// if (yuWen >= 70 && shuXue >= 80 && yingYu >= 90)
|
||||
// {
|
||||
// Console.WriteLine("非常棒，请继续加油");
|
||||
// }
|
||||
// else if (yuWen >= 90 && (shuXue >= 70 || yingYu >= 70))
|
||||
// {
|
||||
// Console.WriteLine("非常棒，请继续加油");
|
||||
// }
|
||||
// else if (yuWen == 100 && shuXue == 100 && yingYu == 100)
|
||||
// {
|
||||
// Console.WriteLine("非常棒，请继续加油");
|
||||
// }
|
||||
// else Console.WriteLine("请你继续加油");
|
||||
//}
|
||||
//catch
|
||||
//{
|
||||
// Console.WriteLine("输入的格式有误");
|
||||
//}
|
||||
|
||||
#endregion
|
||||
|
||||
#region 练习题三
|
||||
//Console.Write("请输入你的成绩：");
|
||||
|
||||
//try
|
||||
//{
|
||||
// int score = int.Parse(Console.ReadLine());
|
||||
// if (score >= 90)
|
||||
// {
|
||||
// Console.WriteLine("奖励一百");
|
||||
// }
|
||||
// else Console.WriteLine("一个月不准玩游戏");
|
||||
//}
|
||||
//catch
|
||||
//{
|
||||
// Console.WriteLine("输入有误");
|
||||
//}
|
||||
|
||||
#endregion
|
||||
|
||||
#region 练习题四
|
||||
//int a, b;
|
||||
//try
|
||||
//{
|
||||
// Console.WriteLine("请输入A的值：");
|
||||
// a = Convert.ToInt32(Console.ReadLine());
|
||||
// Console.WriteLine("请输入B的值：");
|
||||
// b = Convert.ToInt32(Console.ReadLine());
|
||||
// if (a+b >= 100)
|
||||
// {
|
||||
// Console.WriteLine(a);
|
||||
// }
|
||||
// else if (a%b==0 || b%a == 0)
|
||||
// {
|
||||
// Console.WriteLine(a);
|
||||
// }
|
||||
// else Console.WriteLine(b);
|
||||
//}
|
||||
//catch
|
||||
//{
|
||||
// Console.WriteLine("输入格式有误");
|
||||
//}
|
||||
#endregion
|
||||
|
||||
#region 练习题五
|
||||
//try
|
||||
//{
|
||||
// Console.WriteLine("请输入一个数");
|
||||
// int num = int.Parse(Console.ReadLine());
|
||||
// if (num % 2==0)
|
||||
// {
|
||||
// Console.WriteLine("这是个偶数");
|
||||
// }
|
||||
// else Console.WriteLine("这是个奇数");
|
||||
//}
|
||||
//catch
|
||||
//{
|
||||
// Console.WriteLine("你输入的格式有误");
|
||||
//}
|
||||
#endregion
|
||||
|
||||
#region 练习题六
|
||||
//int num1 = 1, num2 = 2, num3 = 0;
|
||||
//if (num1 >= num2 && num1 >= num3)
|
||||
//{
|
||||
// Console.WriteLine("num1:{0}",num1);
|
||||
//}
|
||||
//else if (num2 >= num1 && num2 >= num3)
|
||||
//{
|
||||
// Console.WriteLine("num2:{0}",num2);
|
||||
//}
|
||||
//else Console.WriteLine("num3:{0}", num3);
|
||||
#endregion
|
||||
|
||||
#region 练习题七
|
||||
//Console.Write("请输入一个字符");
|
||||
//int num = Console.ReadKey().KeyChar;
|
||||
//Console.WriteLine();
|
||||
//if ('0' <= num && '9' >= num)
|
||||
//{
|
||||
// Console.WriteLine("你输入的是一个数字");
|
||||
//}
|
||||
//else
|
||||
//{
|
||||
// Console.WriteLine("这不是一个数字");
|
||||
//}
|
||||
#endregion
|
||||
|
||||
#region 练习题八
|
||||
Console.WriteLine("太简单不做了");
|
||||
#endregion
|
||||
|
||||
#region 练习题九
|
||||
#endregion
|
||||
|
||||
#region 练习题十
|
||||
#endregion
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,114 @@
|
||||
using System;
|
||||
namespace Lesson17_条件分支语句Switch
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 作用
|
||||
//让顺序的代码产生分支
|
||||
|
||||
#endregion
|
||||
|
||||
#region 知识点二 语法
|
||||
//switch(变量)
|
||||
//{
|
||||
// case 常量1:
|
||||
// //执行语句1
|
||||
// break;
|
||||
// case 常量2:
|
||||
// //执行语句2
|
||||
// break;
|
||||
// default:
|
||||
// //case条件都不满足执行默认语句
|
||||
// break;
|
||||
//}
|
||||
|
||||
//注意：常量只能是一个值，不能是条件/逻辑运算符
|
||||
|
||||
int a = 3;
|
||||
switch (a)
|
||||
{
|
||||
case 1:
|
||||
Console.WriteLine("a的值是1");
|
||||
break;
|
||||
case 2:
|
||||
Console.WriteLine("a的值是2");
|
||||
break;
|
||||
case 3:
|
||||
Console.WriteLine("a的值是3");
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("没有满足的条件");
|
||||
break;
|
||||
}
|
||||
//switch一般配合枚举使用
|
||||
|
||||
#endregion
|
||||
|
||||
#region 知识点三 default可省略
|
||||
string str = "123";
|
||||
switch (str)
|
||||
{
|
||||
case "321":
|
||||
Console.WriteLine("值为1");
|
||||
break;
|
||||
case "213":
|
||||
Console.WriteLine("值为123");
|
||||
break;
|
||||
//不写default,什么都不会运行
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 知识点四 可自定义常量
|
||||
char c = 'A';
|
||||
const char c2 = 'A';//常量必须const初始化，且不能修改
|
||||
switch (c)
|
||||
{
|
||||
case c2:
|
||||
Console.WriteLine("值为A");
|
||||
break;
|
||||
case 'B':
|
||||
Console.WriteLine("值为B");
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("没有满足的条件");
|
||||
break;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 贯穿
|
||||
int aa = 1;
|
||||
switch (aa)
|
||||
{
|
||||
case 1:
|
||||
Console.WriteLine("aa的值是1");
|
||||
goto case 2; //贯穿到case 2
|
||||
case 2:
|
||||
Console.WriteLine("aa的值是2");
|
||||
break;
|
||||
case 3:
|
||||
Console.WriteLine("aa的值是3");
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("没有满足的条件");
|
||||
break;
|
||||
}
|
||||
//贯穿是指在一个case中没有使用break语句，直接跳转到下一个case
|
||||
//注意：贯穿会导致后续的case也被执行，除非遇到break或default
|
||||
switch (aa)
|
||||
{
|
||||
case 1://会直接进入case 2
|
||||
case 2:
|
||||
case 3:
|
||||
case 4:
|
||||
Console.WriteLine("这是一个数字");
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("这是一个其他类型");
|
||||
break;
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,135 @@
|
||||
using System;
|
||||
namespace Lesson17_条件分支语句Switch练习
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 练习题一
|
||||
int salary = 4000;
|
||||
string comment;
|
||||
Console.WriteLine("请输入你的评价：");
|
||||
try
|
||||
{
|
||||
comment = Console.ReadLine();
|
||||
switch (comment)
|
||||
{
|
||||
case "很兴奋":
|
||||
salary += 500;
|
||||
break;
|
||||
case "很充实":
|
||||
break;
|
||||
case "还好吧":
|
||||
salary -= 300;
|
||||
break;
|
||||
case "难理解":
|
||||
salary -= 500;
|
||||
break;
|
||||
case "很无聊":
|
||||
salary -= 800;
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("请你输入正确的评价");
|
||||
break;
|
||||
}
|
||||
Console.WriteLine("唐老师的工资是{0}", salary);
|
||||
}catch (Exception ex)
|
||||
{
|
||||
Console.WriteLine("发生异常：{0}", ex.Message);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 练习题二
|
||||
int money = 10;
|
||||
int choice;
|
||||
Console.WriteLine("菜单：\n1=中杯，￥5\n2=大杯，￥7\n3=超大杯，￥11\n请你选择需要购买的咖啡：");
|
||||
try
|
||||
{
|
||||
choice = int.Parse(Console.ReadLine());
|
||||
switch (choice)
|
||||
{
|
||||
case 1:
|
||||
money -= 5;
|
||||
if (money < 0)
|
||||
{
|
||||
Console.WriteLine("余额不足");
|
||||
break;
|
||||
}
|
||||
Console.WriteLine("你买了中杯，还剩{0}元",money);
|
||||
break;
|
||||
case 2:
|
||||
money -= 7;
|
||||
if (money < 0)
|
||||
{
|
||||
Console.WriteLine("余额不足");
|
||||
break;
|
||||
}
|
||||
Console.WriteLine("你买了大杯，还剩{0}元", money);
|
||||
break;
|
||||
case 3:
|
||||
money -= 11;
|
||||
if (money < 0)
|
||||
{
|
||||
Console.WriteLine("余额不足");
|
||||
break;
|
||||
}
|
||||
Console.WriteLine("你买了超大杯，还剩{0}元", money);
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("没有这个选项，请重新选择。");
|
||||
break;
|
||||
}
|
||||
|
||||
}catch (FormatException)
|
||||
{
|
||||
Console.WriteLine("输入格式错误，请输入数字。");
|
||||
return;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Console.WriteLine("发生异常：{0}", ex.Message);
|
||||
return;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 练习题三
|
||||
|
||||
Console.WriteLine("请你输入你的考试成绩：");
|
||||
try {
|
||||
int score = int.Parse(Console.ReadLine());
|
||||
switch (score)
|
||||
{
|
||||
case < 0:
|
||||
Console.WriteLine("成绩不能为负数，请重新输入。");
|
||||
break;
|
||||
case <= 60:
|
||||
Console.WriteLine("不及格");
|
||||
break;
|
||||
case <= 80:
|
||||
Console.WriteLine("良好");
|
||||
break;
|
||||
case <= 90:
|
||||
Console.WriteLine("优秀");
|
||||
break;
|
||||
case <= 100:
|
||||
Console.WriteLine("满分");
|
||||
break;
|
||||
default:
|
||||
Console.WriteLine("成绩超过100分，请重新输入。");
|
||||
break;
|
||||
}
|
||||
}catch (FormatException)
|
||||
{
|
||||
Console.WriteLine("输入格式错误，请输入数字。");
|
||||
return;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Console.WriteLine("发生异常：{0}", ex.Message);
|
||||
return;
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,64 @@
|
||||
using System;
|
||||
namespace Lesson18_循环语句while
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 作用
|
||||
// 让程序重复执行某段代码，直到满足特定条件为止。
|
||||
#endregion
|
||||
|
||||
#region 知识点二 语法
|
||||
// while (bool类型的值)
|
||||
// {
|
||||
// // 需要循环执行的代码
|
||||
// }
|
||||
|
||||
//进入unity之后 基本不会使用while循环
|
||||
while (true)
|
||||
{
|
||||
Console.WriteLine("#");
|
||||
// 这里的代码如果不被结束会一直执行
|
||||
// 这种无限循环会导致程序无法结束，除非手动停止。
|
||||
break; // 这里的 break 语句可以用来跳出循环
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 知识点三 嵌套使用
|
||||
int a = 0;
|
||||
int b = 0;
|
||||
while (a < 5)
|
||||
{
|
||||
Console.WriteLine("#");
|
||||
a++;
|
||||
while (b < 5)
|
||||
{
|
||||
Console.WriteLine("*");
|
||||
b++;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 知识点四 控制循环
|
||||
int count = 0;
|
||||
while (count < 5)
|
||||
{
|
||||
Console.WriteLine("*");
|
||||
count++;
|
||||
if (count == 3)
|
||||
{
|
||||
Console.WriteLine("跳过当前循环");
|
||||
continue; // 跳过当前循环的剩余部分，直接进入下一次循环
|
||||
}
|
||||
if (count == 4)
|
||||
{
|
||||
Console.WriteLine("结束循环");
|
||||
break; // 结束整个循环
|
||||
}
|
||||
Console.WriteLine("当前计数: " + count);
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,41 @@
|
||||
using System;
|
||||
namespace Lesson19_循环语句dowhile
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 基本语法
|
||||
//和while循环类似，do while循环也是一种循环语句。
|
||||
//区别在于do while循环会先执行一次循环体，然后再判断条件是否满足。
|
||||
//do while循环的语法如下：
|
||||
//do
|
||||
//{
|
||||
// // 循环体
|
||||
//} while (条件);
|
||||
//do while循环会先执行一次循环体，然后再判断条件是否满足。
|
||||
#endregion
|
||||
|
||||
#region 知识点二 使用示例
|
||||
int a = 1;
|
||||
do
|
||||
{
|
||||
Console.WriteLine("a的值是{0}",a);
|
||||
a++;
|
||||
break;//防止死循环
|
||||
} while (a>=2);
|
||||
#endregion
|
||||
|
||||
#region 知识点三 嵌套应用和流程语句
|
||||
//if switch while dowhile都可以嵌套使用
|
||||
do
|
||||
{
|
||||
Console.WriteLine("111");
|
||||
continue;//这个循环只会打印一边111，continue是回到while判断的地方而不是回到do
|
||||
Console.WriteLine("222");//这串代码永远不会被运行
|
||||
} while (false);
|
||||
#endregion
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,53 @@
|
||||
using System;
|
||||
namespace Lesson19_循环语句for
|
||||
{
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 知识点一 基本语法
|
||||
//格式
|
||||
//for (初始表达式; 条件表达式; 增量表达式)
|
||||
//{
|
||||
// //循环代码
|
||||
//}
|
||||
for (int i = 0; i < 10; i++)
|
||||
{
|
||||
Console.WriteLine("这时的i为{0}",i);
|
||||
}
|
||||
Console.WriteLine("\n换行\n");
|
||||
#endregion
|
||||
|
||||
#region 知识点二 支持嵌套
|
||||
for (int i = 0; i < 10; i++)
|
||||
{
|
||||
for (int j = 0; j < 5; j++)
|
||||
{
|
||||
Console.WriteLine("i的值为{0},j的值为{1}", i, j);
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 知识点三 特殊写法
|
||||
for (; ; )//空位可填可不填
|
||||
{
|
||||
Console.WriteLine("这是一个死循环");
|
||||
break;//用break跳出死循环
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 知识点四 对比while循环
|
||||
int j = 0;
|
||||
while (j < 10)
|
||||
{
|
||||
Console.WriteLine("j为{0}",j);
|
||||
}
|
||||
j=0;//重置j
|
||||
for (; j < 10; )//初始表达式和增量表达式可省略
|
||||
{
|
||||
Console.WriteLine("j为{0}", j);
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,21 @@
|
||||
using System;
|
||||
|
||||
namespace Lesson2变量
|
||||
{
|
||||
class classwork
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
double num = 36.6;
|
||||
Console.WriteLine(num);
|
||||
string name, sex, addr;
|
||||
name = "zj";
|
||||
sex = "male";
|
||||
addr = "jssszsgyyq";
|
||||
int age = 21;
|
||||
float hight = 192f, weight = 79.5f;
|
||||
Console.WriteLine("年龄:" + age);
|
||||
Console.WriteLine($"姓名:{name}\n年龄:{age}\n身高:{hight}体重:{weight}家庭住址:{addr}");
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,51 @@
|
||||
using System;
|
||||
namespace Lesson4
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 命名细则
|
||||
//变量命名细则
|
||||
//1不能重名
|
||||
//2不能以数字开头
|
||||
//3不能使用程序关键字
|
||||
//4不能有特殊符号(下划线除外)
|
||||
|
||||
//建议的命名规则：变量名用英文，并且有变量的含义
|
||||
//不建议用汉字命名
|
||||
|
||||
|
||||
//eg重复
|
||||
int i = 1;
|
||||
string i = "123";
|
||||
|
||||
//eg数字开头
|
||||
int 1i = 1;
|
||||
|
||||
//eg使用程序关键字（蓝色的
|
||||
int string = 1;
|
||||
//函数名不是关键字
|
||||
int Main = 1;
|
||||
|
||||
//特殊符号
|
||||
int re@ = 1;
|
||||
|
||||
//建议规则变量名用英文，并且有变量的含义
|
||||
string myName = "ZJ";
|
||||
#endregion
|
||||
|
||||
|
||||
|
||||
#region 常用命名规则
|
||||
//驼峰命名法，首字母小写，之后单词首字母大写
|
||||
string myName = "ZXJ";
|
||||
//帕斯卡命名法——所有单词首字母都大写
|
||||
string MyNmae = "ZXJ";
|
||||
|
||||
|
||||
//潜在知识点，C#对大小写敏感，myName和MyName是两个不同的变量
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,35 @@
|
||||
using System;
|
||||
namespace Lesson5
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 常量
|
||||
//常量是指在程序运行过程中不会改变的值，必须初始化
|
||||
//常量的定义：const 数据类型 常量名 = 值;
|
||||
//常量名一般使用大写字母，多个单词之间用下划线分隔
|
||||
const int MAX_VALUE = 100;
|
||||
const string COMPANY_NAME = "ZJ Company";
|
||||
Console.WriteLine($"最大值: {MAX_VALUE}, 公司名称: {COMPANY_NAME}");
|
||||
#endregion
|
||||
#region 只读变量
|
||||
//只读变量在定义时可以赋值，也可以在构造函数中赋值，但不能在其他地方修改
|
||||
class MyClass
|
||||
{
|
||||
public readonly int ReadOnlyValue;
|
||||
public MyClass(int value)
|
||||
{
|
||||
ReadOnlyValue = value;
|
||||
}
|
||||
}
|
||||
MyClass myObject = new MyClass(42);
|
||||
Console.WriteLine($"只读变量值: {myObject.ReadOnlyValue}");
|
||||
//关键词 const
|
||||
//固定写法：
|
||||
//const 变量类型 变量名 = 值;
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,29 @@
|
||||
using System;
|
||||
namespace Lesson6
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
//什么是转义字符？
|
||||
//转义字符是用来表示一些特殊字符的字符序列，通常以反斜杠（\）开头。
|
||||
//例如，\n表示换行符，\t表示制表符，\"表示双引号，\\表示反斜杠本身。
|
||||
//转义字符在字符串中用于表示那些不能直接输入的字符，或者需要特殊处理的字符。
|
||||
//eg
|
||||
Console.WriteLine("转义字符");
|
||||
//固定写法 \字符
|
||||
Console.WriteLine("Hello World!\n这是一个新行。");
|
||||
Console.WriteLine("Hello World!\t这是一个制表符。");
|
||||
Console.WriteLine("Hello World!\"这是一个双引号。\"");
|
||||
Console.WriteLine("Hello World!\'这是一个单引号。\'");
|
||||
Console.WriteLine("Hello World!\\这是一个反斜杠。");
|
||||
Console.WriteLine("Hello World!\0这是一个空字符。");
|
||||
Console.WriteLine("Hello World!\a这是一个响铃音字符。");
|
||||
|
||||
//知识点二
|
||||
//取消转义字符
|
||||
string str = @"Hello World!\n这是一个新行。";// /n不会被转义
|
||||
Console.WriteLine(str);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,13 @@
|
||||
using System;
|
||||
namespace Lesson7
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("我是小明\n今年18岁\n我的爱好是制作游戏\n我要好好学习，天天向上");
|
||||
Console.WriteLine("我是小明\n今年18岁\n我的爱好是制作游戏\n我要好好学习，天天向上");
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,156 @@
|
||||
using System;
|
||||
namespace Lesson7
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("类型转换—隐式转换");
|
||||
//什么是隐式转换？
|
||||
//类型转换就是不同变量类型之间的转换
|
||||
//隐式转换是指在不需要额外操作的情况下，编译器自动完成的转换。
|
||||
//隐式转换规则：大范围装小范围
|
||||
|
||||
#region 知识点一 相同大类型之间的转换
|
||||
//有符号 long->int->short->byte
|
||||
long l = 1;
|
||||
int i = 1;
|
||||
short s = 1;
|
||||
sbyte sb = 1;
|
||||
|
||||
l = i; //int 转 long
|
||||
|
||||
//i = l; long 转 int
|
||||
//小的类型不能装大的 需要强制转换，不能隐式转换
|
||||
|
||||
//可以的转换:
|
||||
l = i;
|
||||
l = s;
|
||||
l = sb;
|
||||
i = s;
|
||||
s = sb;
|
||||
|
||||
|
||||
|
||||
//无符号 ulong->uint->ushort->byte
|
||||
ulong ul = 1;
|
||||
uint ui = 1;
|
||||
ushort us = 1;
|
||||
byte b = 1;
|
||||
|
||||
|
||||
//浮点数 double float decimal
|
||||
decimal de = 1.1m;
|
||||
double d = 1.1;
|
||||
float f = 1.1f;
|
||||
//decimal没有办法用隐式转换的形式去存储double和float
|
||||
//de = d;
|
||||
//de = f;
|
||||
d = f;//float 是可以转 double 的
|
||||
|
||||
|
||||
//特殊类型 bool char string
|
||||
//他们之间不存在隐式转换
|
||||
bool b1 = true;
|
||||
char c = 'a';
|
||||
string str = "Hello World";
|
||||
|
||||
#endregion
|
||||
|
||||
|
||||
#region 知识点二 不同大类型之间的转换
|
||||
|
||||
#region 无符号装有符号
|
||||
// 无符号
|
||||
byte b2 = 1;
|
||||
ushort us2 = 1;
|
||||
uint ui2 = 1;
|
||||
ulong ul2 = 1;
|
||||
// 有符号
|
||||
sbyte sb2 = 1;
|
||||
short s2 = 1;
|
||||
int i2 = 1;
|
||||
long l2 = 1;
|
||||
|
||||
// 无符号装有符号
|
||||
// 有符号的变量无法隐式转换为无符号的变量 eg：负数情况
|
||||
//b2 = sb2;
|
||||
//us2 = sb2;
|
||||
|
||||
// 有符号装无符号
|
||||
// 无符号的变量可以隐式转换为有符号的变量
|
||||
// 但需要注意的是，如果无符号变量的值大于有符号变量的最大值，则会发生溢出
|
||||
//i2 = ui2;
|
||||
i2 = b2;
|
||||
|
||||
#endregion
|
||||
|
||||
#region 浮点数和整数之间（有符号、无符号）的转换
|
||||
// 浮点数装整数
|
||||
float f2 = 1.1f;
|
||||
double d2 = 1.1;
|
||||
decimal de2 = 1.1m;
|
||||
//浮点数可以装载任何类型的整数（有符号、无符号）
|
||||
f2 = l2;
|
||||
f2 = ul2;
|
||||
f2 = 1000000000000000000; // 1.0E+20
|
||||
Console.WriteLine(f2); // 输出 1.0E+20
|
||||
|
||||
//decimal不能隐式存储浮点数
|
||||
//但是可以隐式存储整数
|
||||
de = l2;
|
||||
de = ul2;
|
||||
|
||||
//double->float->所有整形
|
||||
//decimal->所有整形
|
||||
|
||||
//整数是不能隐式存储浮点数的，因为浮点数有小数部分
|
||||
//i2 = f2; // 错误，不能隐式转换
|
||||
|
||||
#endregion
|
||||
|
||||
#region 特殊类型和其他类型之间的转换
|
||||
// bool
|
||||
|
||||
//bool bo2 = true;
|
||||
//bo2 = i2;
|
||||
//bo2 = ui2;
|
||||
//bo2 = f2;
|
||||
//i2 = bo2;
|
||||
//ui2 = bo2;
|
||||
//bool无法与其他类型隐式转换
|
||||
|
||||
|
||||
// char
|
||||
char c2 = 'a';
|
||||
//c2 = i2;
|
||||
//c2 = ui2;
|
||||
//c2 = f2;
|
||||
//c2 = str;
|
||||
//char 可以隐式转换为 整数类型 和 浮点型
|
||||
//char转换后的值是其对应的ASCII编码值
|
||||
i2 = c2;
|
||||
Console.WriteLine(i2);
|
||||
f2 = c2;
|
||||
Console.WriteLine(f2);
|
||||
ui2 = c2;
|
||||
Console.WriteLine(ui2);
|
||||
//str = c2;
|
||||
|
||||
|
||||
// string
|
||||
#endregion
|
||||
|
||||
#endregion
|
||||
|
||||
|
||||
//总结：
|
||||
//隐式转换是编译器自动完成的转换，不需要额外操作。
|
||||
//隐式转换规则：大范围装小范围，高精度装低精度
|
||||
//double->float->所有整形->char
|
||||
//decimal不能隐式转换为浮点数，但可以隐式转换为整数。
|
||||
//decimal->所有整形->char
|
||||
//bool、string不参与隐式转换。
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,28 @@
|
||||
using System;
|
||||
namespace Lesson8
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
int num1 = 24069;
|
||||
Console.WriteLine(Convert.ToChar(num1));
|
||||
|
||||
Console.WriteLine();
|
||||
|
||||
int shuXue, yuWen, yingYu;
|
||||
string name;
|
||||
Console.Write("请输入姓名：");
|
||||
name = Console.ReadLine();
|
||||
Console.Write("请输入数学成绩：");
|
||||
shuXue = Convert.ToInt32(Console.ReadLine());
|
||||
Console.Write("请输入语文成绩：");
|
||||
yuWen = Convert.ToInt32(Console.ReadLine());
|
||||
Console.Write("请输入英语成绩：");
|
||||
yingYu = Convert.ToInt32(Console.ReadLine());
|
||||
|
||||
Console.WriteLine($"你的成绩如下:\n语文:{yuWen}\n数学:{shuXue}\n英语:{yingYu}");
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,177 @@
|
||||
using System;
|
||||
namespace Lesson8
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("显式转换");
|
||||
// 显式转换=手动处理 强制转换
|
||||
#region 知识点一 括号强转
|
||||
//作用：一般情况下，将高精度类型转换为低精度类型
|
||||
//语法：变量类型 变量名 = (目标类型)变量名;
|
||||
//注意：类型不兼容 精度问题 范围问题
|
||||
|
||||
|
||||
//相同大类的整形
|
||||
//有符号整形
|
||||
sbyte sb = 1;
|
||||
short s = 1;
|
||||
int i = 40000;
|
||||
long l = 1;
|
||||
//s = i; //错误：类型不兼容
|
||||
i = (int)l; //正确：手动转换
|
||||
Console.WriteLine(i);
|
||||
s = (short)i;//正确但注意：超过了short的范围
|
||||
Console.WriteLine(s);
|
||||
|
||||
//无符号整形
|
||||
byte b = 1;
|
||||
ushort us = 1;
|
||||
uint ui = 1;
|
||||
ulong ul = 1;
|
||||
ui = (uint)ul; //正确：手动转换
|
||||
Console.WriteLine(ui);
|
||||
|
||||
//浮点数
|
||||
float f = 1.0f;
|
||||
double d = 1.123456789012345;
|
||||
|
||||
f = (float)d; //正确：手动转换
|
||||
Console.WriteLine(f);//注意：精度损失
|
||||
|
||||
|
||||
|
||||
//无符号和有符号之间的转换
|
||||
uint ui2 = 1;
|
||||
int i2 = 1;
|
||||
//ui2 = i2; //错误：类型不兼容
|
||||
ui2 = (uint)i2; //正确：手动转换
|
||||
Console.WriteLine(ui2);
|
||||
|
||||
i2 = -1; //负数
|
||||
ui2 = (uint)i2;
|
||||
Console.WriteLine(ui2); //注意：负数转换为无符号整形时，结果是一个很大的数
|
||||
|
||||
|
||||
//浮点数和整形之间的转换，会直接截断小数部分
|
||||
i2 = (int)1.2f;
|
||||
Console.WriteLine(i2); //注意：小数部分被截断
|
||||
|
||||
//char和数值类型
|
||||
|
||||
char c = 'A'; //字符'A'的ASCII码是65
|
||||
Console.WriteLine(c);
|
||||
int asciiValue = (int)c; //将字符转换为ASCII码
|
||||
Console.WriteLine(asciiValue);
|
||||
|
||||
|
||||
//bool和string之间的转换，不能通过括号强转
|
||||
bool bo = true;
|
||||
//int i3 = (bool)bo; 错误：bool不能直接转换为int
|
||||
|
||||
string str = "123";
|
||||
//i3 = int(str); 错误：string不能直接转换为int
|
||||
|
||||
#endregion
|
||||
|
||||
#region 知识点二 Parse方法
|
||||
//作用：将字符串转换为其他类型
|
||||
//语法：目标类型. Parse(字符串变量名);
|
||||
//注意：如果字符串格式不正确，会抛出异常，必须是能够转换的类型
|
||||
|
||||
|
||||
//有符号
|
||||
string str2 = "123";
|
||||
int i3 = int.Parse(str2); //正确：字符串转换为整数
|
||||
Console.WriteLine(i3);
|
||||
//i3 = int.Parse("fds"); 错误：字符串格式不正确，不是能够转换的类型，会抛出异常
|
||||
//Console.WriteLine(i3);
|
||||
|
||||
short s3 = short.Parse("4");//正确：字符串转换为短整数
|
||||
Console.WriteLine(s3);
|
||||
|
||||
//s3 = short.Parse("40000"); 错误：字符串格式不正确，超出了short的范围，会抛出异常
|
||||
//Console.WriteLine(s3);
|
||||
|
||||
|
||||
//无符号
|
||||
//规则相同
|
||||
Console.WriteLine(byte.Parse("1"));
|
||||
Console.WriteLine(ushort.Parse("2"));
|
||||
Console.WriteLine(uint.Parse("3"));
|
||||
Console.WriteLine(ulong.Parse("4"));
|
||||
|
||||
//浮点数
|
||||
double f3 = double.Parse("1.23456789"); //正确：字符串转换为双精度浮点数
|
||||
Console.WriteLine(f3);
|
||||
float f4 = float.Parse("1.23456789"); //正确：字符串转换为单精度浮点数
|
||||
Console.WriteLine(f4);
|
||||
|
||||
//特殊类型
|
||||
bool bo2 = bool.Parse("true"); //正确：字符串转换为布尔值
|
||||
Console.WriteLine(bo2);
|
||||
//char c3 = char.Parse(bo2); 错误：bool不能直接转换为char
|
||||
//string str3 = string.Parse(bo2); 错误：bool不能直接转换为string
|
||||
char c2 = char.Parse("A"); //正确：字符串转换为字符
|
||||
Console.WriteLine(c2);
|
||||
|
||||
#endregion
|
||||
|
||||
#region 知识点三 Convert方法
|
||||
//作用：更准确的将不同类型之间进行转换，支持更多类型的转换
|
||||
//语法：Convert.To目标类型(变量名);
|
||||
//注意：如果转换失败，会返回默认值，不会抛出异常
|
||||
|
||||
//转换字符串
|
||||
int a = Convert.ToInt32("123"); //正确：字符串转换为整数
|
||||
Console.WriteLine(a);
|
||||
|
||||
//a = Convert.ToInt32("fds"); 错误：字符串格式不正确，不是能够转换的类型，会抛出异常
|
||||
|
||||
a = Convert.ToInt32('A'); //正确：字符'A'的ASCII码是65
|
||||
Console.WriteLine(a);
|
||||
|
||||
//精度更准确
|
||||
a = Convert.ToInt32(1.5f); //正确：数字转换为int，会四舍五入
|
||||
Console.WriteLine(a);
|
||||
|
||||
//特殊类型转换
|
||||
a = Convert.ToInt32(true); //正确：bool转换为int，true为1，false为0
|
||||
Console.WriteLine(a);
|
||||
|
||||
//每一个类型都有对应的Convert方法
|
||||
short s4 = Convert.ToInt16("123"); //正确：字符串转换为短整数
|
||||
uint ui3 = Convert.ToUInt32("123"); //正确：字符串转换为无符号整数
|
||||
long s5 = Convert.ToInt64("123456789"); //正确：字符串转换为长整数
|
||||
|
||||
sbyte sb5 = Convert.ToSByte("123"); //正确：字符串转换为有符号字节
|
||||
float f5 = Convert.ToSingle("1.23456789"); //正确：字符串转换为单精度浮点数
|
||||
double d5 = Convert.ToDouble("1.23456789"); //正确：字符串转换为双精度浮点数
|
||||
decimal dec = Convert.ToDecimal("1.23456789"); //正确：字符串转换为十进制数
|
||||
bool bo3 = Convert.ToBoolean("true"); //正确：字符串转换为布尔值
|
||||
|
||||
#endregion
|
||||
|
||||
#region 知识点四 其他类型转string
|
||||
//作用：将其他类型转换为字符串，拼接打印
|
||||
//语法：变量名.ToString();
|
||||
|
||||
string str6 = 1.ToString();
|
||||
Console.WriteLine(str6);
|
||||
str6 = true.ToString();
|
||||
Console.WriteLine(str6);
|
||||
str6 = 1.23456789f.ToString();
|
||||
Console.WriteLine(str6);
|
||||
str6 = 'A'.ToString();
|
||||
Console.WriteLine(str6);
|
||||
|
||||
//拼接
|
||||
Console.WriteLine("拼接后的字符串"+1+true);//1和true会被转换为字符串，结果是"1True"
|
||||
//eg:
|
||||
str6 = "123" + 1 + true + 1.254;//默认调用了ToString()方法
|
||||
Console.WriteLine(str6);
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,52 @@
|
||||
using System;
|
||||
namespace Lesson8
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("异常捕获");
|
||||
//作用：解决程序运行时的异常问题，避免卡死或崩溃
|
||||
|
||||
#region 语法
|
||||
//基本语法：try{}catch{}尝试执行代码块中的代码，如果没有异常则继续执行
|
||||
try
|
||||
{
|
||||
//可能会发生异常的代码块
|
||||
}
|
||||
catch(Exception e)//(Exception e)是可选项，e是异常对象，可以获取异常信息
|
||||
{
|
||||
//捕获异常的代码块
|
||||
}
|
||||
//可选部分：finally{}在try或catch执行完后执行的代码块，无论是否有异常都会执行
|
||||
finally
|
||||
{
|
||||
//清理资源或执行收尾工作
|
||||
}
|
||||
//注意：异常捕获代码基本结构中，不需要加; 只有里面的代码需要加;
|
||||
#endregion
|
||||
|
||||
|
||||
|
||||
#region 示例/实践
|
||||
//示例：除数不能为0的异常捕获
|
||||
try
|
||||
{
|
||||
Console.WriteLine("请输入一个整数：");
|
||||
string str = Console.ReadLine();
|
||||
int i = int.Parse(str);
|
||||
Console.WriteLine("你输入了：" + i);
|
||||
}
|
||||
catch
|
||||
{
|
||||
Console.WriteLine("只能输入整数，请重新输入！");
|
||||
}
|
||||
finally
|
||||
{
|
||||
Console.WriteLine("程序执行完毕。");
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,50 @@
|
||||
using System;
|
||||
namespace Lesson8
|
||||
{
|
||||
class program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
#region 输入数字练习
|
||||
try
|
||||
{
|
||||
Console.Write("请输入一个数字:");
|
||||
int num = int.Parse(Console.ReadLine());
|
||||
Console.WriteLine($"你输入的数字是: {num}");
|
||||
}
|
||||
catch
|
||||
{
|
||||
Console.WriteLine("请你输入一个数字");
|
||||
}
|
||||
finally
|
||||
{
|
||||
Console.WriteLine("程序执行完毕!");
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 录入成绩练习
|
||||
try
|
||||
{
|
||||
int yuWen, shuXue, yingYu;
|
||||
Console.Write("请你输入你的名字：");
|
||||
string name = Console.ReadLine();
|
||||
Console.Write("请你输入你的语文成绩：");
|
||||
yuWen = int.Parse(Console.ReadLine());
|
||||
Console.Write("请你输入你的数学成绩：");
|
||||
shuXue = int.Parse(Console.ReadLine());
|
||||
Console.Write("请你输入你的英语成绩：");
|
||||
yingYu = int.Parse(Console.ReadLine());
|
||||
Console.WriteLine($"你的语文成绩是:{yuWen},你的数学成绩是{shuXue},你的英语成绩是:{yingYu}.");
|
||||
}
|
||||
catch
|
||||
{
|
||||
Console.WriteLine("成绩录入时发生了错误");
|
||||
}
|
||||
finally
|
||||
{
|
||||
Console.WriteLine("成绩录入完毕!");
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user