面向对象to1

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;

 namespace 知识点
 {
      class Program
     {
         //用户自定义:我们自己定义这种数据类型
         public struct student
         {
             public int code;//成员变量
             public string name;
             public double degree;
         }
         //冒泡排序
         public student[] paixu(student[] shuzu)
         {
             ; i < shuzu.Length-; i++)
             {
                 ; j < shuzu.Length; j++)
                 {
                     if (shuzu[i].degree < shuzu[j].degree)
                     {
                         student zhong = new student();//定义一个新的结构体
                         zhong = shuzu[i];
                         shuzu[i] = shuzu[j];
                         shuzu[j] = zhong;
                     }
                 }
             }
             return shuzu;
         }
         //主函数:一个程序有且只有一个
         static void Main(string[] args)
         {
             //1.输入学生信息
             Console.Write("输入学生人数:");
             int renshu = int.Parse(Console.ReadLine());
             student [] shuzu= new student[renshu];//根据人数定义数组容器
             ; i < renshu; i++)//跟据人数去循环输入学生信息
             {
                 //student s = new student();//s 是student 类型制造出来的:对象
                 Console.Write();
                 shuzu[i].code = int.Parse(Console.ReadLine());
                 Console.Write();
                 shuzu[i].name = Console.ReadLine();
                 Console.Write();
                 shuzu[i].degree = double.Parse(Console.ReadLine());
             }
             //2.排序
             shuzu=new Program().paixu(shuzu);

             /*for (int i = 0; i < renshu; i++)
             {
                 for (int j = i + 1; j < renshu; j++)
                 {
                     if (shuzu[i].degree < shuzu[j].degree)
                     {
                         student zhong = new student();//定义一个新的结构体
                         zhong = shuzu[i];
                         shuzu[i] = shuzu[j];
                         shuzu[j] = zhong;
                     }
                 }
             }*/
             //3.输出
             Console.WriteLine("************成绩如下**************");
             Console.WriteLine("      学号    姓名      分数");
             foreach (student s in shuzu)//阅历   结构体s
             {
                 Console.Write("      ");
                 Console.Write(s.code);
                 Console.Write("      ");
                 Console.Write(s.name);
                 Console.Write("      ");
                 Console.WriteLine(s.degree);
             }
             Console.ReadLine();
             ; i < renshu; i++)
             {

             }
         }
     }
 }