探讨如何用委托处理排序_C#教程-查字典教程网
探讨如何用委托处理排序
探讨如何用委托处理排序
发布时间:2016-12-28 来源:查字典编辑
摘要:复制代码代码如下:usingSystem;usingSystem.Collections.Generic;usingSystem.Text;...

复制代码 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]);

}

}

}

}

复制代码 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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