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探讨如何用委托处理排序

  • 时间:2022-05-07 12:54 编辑: 来源: 阅读:
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摘要:探讨如何用委托处理排序
[u]复制代码[/u] 代码如下:
using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication1 {     class 冒泡排序     {         //首先要了解冒泡排序,其实很简单就是索引前面的跟后面的比较,如果比后面的大2个值的位置就进行调换         static void Main()         {             int[] str ={ 0, 14, 3, 6, 1, 30, 10, 9, 28 };             for (int i = 0; i < str.Length; i++)             {                 for (int j = i + 1; j < str.Length; j++)                 {                     if (str[j] < str[i])                     {                         int index = str[i];                         str[i] = str[j];                         str[j] = index;                     }                 }             }             for (int m = 0; m < str.Length; m++)             {                 Console.WriteLine(str[m]);             }         }     } }
[u]复制代码[/u] 代码如下:
using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication1 {     public delegate bool DelegateTest(object obj1, object obj2);     class Class1     {         static void Main()         {             Employee[] Employees =               {                   new Employee("huguo",1000000),                   new Employee("lili",20000),                   new Employee("lulu",30000),                   new Employee("xixi",50000),                   new Employee("jianjian",10000),                   new Employee("yoyo",9000)               };             //委托DelegateTest代理的方法是Greate             DelegateTest MyTest = new DelegateTest(Employee.Greate);             Sorter MySort = new Sorter();             //冒泡算法中第一个参数是对应Employees数组信息,第二个参数是委托             MySort.Sort(Employees, MyTest);             for (int m = 0; m < Employees.Length; m++)             {                 Console.WriteLine(Employees[m].ToString());             }         }     }     class Employee     {         public string Name;         public int Salary;         public Employee(string Name, int Salary)         {             this.Name = Name;             this.Salary = Salary;         }         //用override重写string方法         public override string ToString()         {             return string.Format(Name + ",{0:C},", Salary);         }         //定义一个方法,如果obj2传过来的 Salary大于obj1就返回true;         public static bool Greate(object obj1, object obj2)         {             Employee Employee1 = (Employee)obj1;             Employee Employee2 = (Employee)obj2;             return (Employee2.Salary > Employee1.Salary) ? true : false;         }     }     class Sorter     {         public void Sort(object[] ArrayObj, DelegateTest Test)         {             //下面就是冒泡算法啦             for (int i = 0; i < ArrayObj.Length; i++)             {                 for (int j = i + 1; j < ArrayObj.Length; j++)                 {                     if (Test(ArrayObj[j], ArrayObj[i]))                     {                         object Temp = ArrayObj[i];                         ArrayObj[i] = ArrayObj[j];                         ArrayObj[j] = Temp;                     }                 }             }         }     } }
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