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 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Lesson4_封装_构造函数和析构函数练习</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,101 @@
+using System.Runtime.InteropServices;
+
+namespace Lesson4_封装_构造函数和析构函数练习
+{
+    class Person
+    {
+        public string name;
+        public int age;
+        public Person(string name, int age)
+        {
+            this.name = name;
+            this.age = age;
+        }
+    }
+    class Clas
+    {
+        public string name, major;
+        Person[] student;
+        public Clas(string name, string major, Person[] student)
+        {
+            this.name = name;
+            this.major = major;
+            this.student = student;
+        }
+        public void PrintInfo(Person[] student)
+        {
+            Console.WriteLine("{0}班级中学生信息",name);
+            for (int i = 0; i < student.Length; i++)
+            {
+                Console.WriteLine("student的姓名：" + student[i].name + "student的年龄：" + student[i].age);
+            }
+        }
+    }
+    class Ticket
+    {
+        public uint distant;
+
+        public Ticket()
+        {
+            distant = 0;
+        }
+        public Ticket(uint distant)
+        {
+            this.distant = distant;
+        }
+        public void GetDistant()
+        {
+            Console.WriteLine(distant);
+        }
+        public void GetPrice()
+        {
+            double price = 0d;
+            if (distant <= 100)
+            {
+                price = distant;
+            }
+            else if (distant <= 200)
+            {
+                price = Convert.ToDouble(distant * 0.95);
+            }
+            else if (distant <= 300)
+            {
+                price = Convert.ToDouble(distant * 0.9);
+            }
+            else
+            {
+                price = Convert.ToDouble(distant * 0.8);
+            }
+            Console.WriteLine(price);
+
+        }
+    }
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Person p1 = new Person("张三", 3);
+            Person p2 = new Person("李四", 4);
+            
+            Console.WriteLine("P1姓名：" + p1.name + "P1年龄" + p1.age);
+            Console.WriteLine("P2姓名：" + p2.name + "P2年龄" + p2.age);
+            Person[] student = { p1, p2 };
+            Console.WriteLine("把P1和P2放到Person的student之后");
+            Console.WriteLine("student[0]的姓名："+ student[0].name+ "student[0]的年龄：" + student[0].age);
+            Console.WriteLine("student[1]的姓名：" + student[1].name + "student[1]的年龄：" + student[1].age);
+
+            
+            Clas c1 = new Clas("三年一班","计算机",student);
+            c1.PrintInfo(student);
+
+            Ticket t = new Ticket();
+            Console.Write("默认情况下的距离：");
+            t.GetDistant();
+            Console.Write("赋值初始化后的距离：");
+            Ticket t2 = new Ticket(300);
+            t2.GetDistant();
+            Console.Write("赋值初始化后的价格计算：");
+            t2.GetPrice();
+        }
+    }
+}