Synchronization of old projects

Part1
2025-09-30 16:46:01 +08:00
parent 116b65164b
commit 4e1548abe2
167 changed files with 8668 additions and 43 deletions
@@ -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;
+using System.Globalization;
+namespace Lesson
+{
+    class Program
+    {
+        static bool Login(string name, string password, ref string info )
+        {
+            string rightUserName = "admin";
+            string rightPassword = "admin123";
+            if (name == rightUserName && password == rightPassword)
+            {
+                return true;
+            }
+            else if (name == rightUserName && password != rightPassword )
+            {
+                info = "密码错误";
+                return false;
+            }
+            else if (name != rightUserName && password == rightPassword)
+            {
+                info = "账号错误";
+                return false;
+            }
+            else
+            {
+                info = "全错全错!";
+                return false;
+            }
+        }
+        static void Main(string[] args)
+        {
+            string inputUserName, inputPassword;
+            Console.Write("请输入用户名:");
+            inputUserName = Console.ReadLine();
+            Console.Write("请输入密码:");
+            inputPassword = Console.ReadLine();
+            string info = "";
+            bool access = Login(inputUserName,inputPassword,ref info);
+            if (access)
+            {
+                Console.WriteLine("登录成功");
+            }
+            else
+            {
+                Console.WriteLine("登录失败"+ '\n' + info);
+            }
+
+        }
+    }
+}