using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApplication8 { class Program { //定义一个结构体 //定义一个学生的结构体,学号,姓名,身高,输入学生信息 //按身高排序输出 struct student //student 就是我们自己造的新数据类型 { public int code; //public 修饰符 public string name; //结构体的成员 public decimal height;//身高 } static void Main(string[] args) { ArrayList arr = new ArrayList(); for (int i = 0; i < 3; i++) { student s = new student();//定义结构体变量 Console.Write("学号:"); s.code = int.Parse(Console.ReadLine()); Console.Write("姓名:"); s.name = Console.ReadLine(); Console.Write("身高:"); s.height = decimal.Parse(Console.ReadLine()); arr.Add(s); } for(int i=0;i<2;i++) { for(int j = i+1;j<3;j++) { student si = (student)arr[i]; student sj = (student)arr[j]; if(si.height< sj.height) { student zhong = si; arr[i] = arr[j]; arr[j] = zhong; } } } foreach(student s in arr) { Console.WriteLine(s.code + "" + s.name + "" + s.height + ""); } Console.ReadLine(); } } }