复制代码 代码如下:

using System;

using System.Collections;

using System.Windows.Forms;

namespace Common

{

/// <summary>

/// 对ListView点击列标题自动排序功能

/// </summary>

public class ListViewHelper

{

/// <summary>

/// 构造函数

/// </summary>

public ListViewHelper()

{

//

// TODO: 在此处添加构造函数逻辑

//

}

public static void ListView_ColumnClick(object sender, System.Windows.Forms.ColumnClickEventArgs e)

{

System.Windows.Forms.ListView lv = sender as System.Windows.Forms.ListView;

// 检查点击的列是不是现在的排序列.

if (e.Column == (lv.ListViewItemSorter as ListViewColumnSorter).SortColumn)

{

// 重新设置此列的排序方法.

if ((lv.ListViewItemSorter as ListViewColumnSorter).Order == System.Windows.Forms.SortOrder.Ascending)

{

(lv.ListViewItemSorter as ListViewColumnSorter).Order = System.Windows.Forms.SortOrder.Descending;

}

else

{

(lv.ListViewItemSorter as ListViewColumnSorter).Order = System.Windows.Forms.SortOrder.Ascending;

}

}

else

{

// 设置排序列，默认为正向排序

(lv.ListViewItemSorter as ListViewColumnSorter).SortColumn = e.Column;

(lv.ListViewItemSorter as ListViewColumnSorter).Order = System.Windows.Forms.SortOrder.Ascending;

}

// 用新的排序方法对ListView排序

((System.Windows.Forms.ListView)sender).Sort();

}

}

/// <summary>

/// 继承自IComparer

/// </summary>

public class ListViewColumnSorter : System.Collections.IComparer

{

/// <summary>

/// 指定按照哪个列排序

/// </summary>

private int ColumnToSort;

/// <summary>

/// 指定排序的方式

/// </summary>

private System.Windows.Forms.SortOrder OrderOfSort;

/// <summary>

/// 声明CaseInsensitiveComparer类对象

/// </summary>

private System.Collections.CaseInsensitiveComparer ObjectCompare;

/// <summary>

/// 构造函数

/// </summary>

public ListViewColumnSorter()

{

// 默认按第一列排序

ColumnToSort = 0;

// 排序方式为不排序

OrderOfSort = System.Windows.Forms.SortOrder.None;

// 初始化CaseInsensitiveComparer类对象

ObjectCompare = new System.Collections.CaseInsensitiveComparer();

}

/// <summary>

/// 重写IComparer接口.

/// </summary>

/// <param name="x">要比较的第一个对象</param>

/// <param name="y">要比较的第二个对象</param>

/// <returns>比较的结果.如果相等返回0，如果x大于y返回1，如果x小于y返回-1</returns>

public int Compare(object x, object y)

{

int compareResult;

System.Windows.Forms.ListViewItem listviewX, listviewY;

// 将比较对象转换为ListViewItem对象

listviewX = (System.Windows.Forms.ListViewItem)x;

listviewY = (System.Windows.Forms.ListViewItem)y;

string xText = listviewX.SubItems[ColumnToSort].Text;

string yText = listviewY.SubItems[ColumnToSort].Text;

int xInt, yInt;

// 比较,如果值为IP地址，则根据IP地址的规则排序。

if (IsIP(xText) && IsIP(yText))

{

compareResult = CompareIp(xText, yText);

}

else if (int.TryParse(xText, out xInt) && int.TryParse(yText, out yInt)) //是否全为数字

{

//比较数字

compareResult = CompareInt(xInt, yInt);

}

else

{

//比较对象

compareResult = ObjectCompare.Compare(xText, yText);

}

// 根据上面的比较结果返回正确的比较结果

if (OrderOfSort == System.Windows.Forms.SortOrder.Ascending)

{

// 因为是正序排序，所以直接返回结果

return compareResult;

}

else if (OrderOfSort == System.Windows.Forms.SortOrder.Descending)

{

// 如果是反序排序，所以要取负值再返回

return (-compareResult);

}

else

{

// 如果相等返回0

return 0;

}

}

/// <summary>

/// 判断是否为正确的IP地址，IP范围（0.0.0.0～255.255.255）

/// </summary>

/// <param name="ip">需验证的IP地址</param>

/// <returns></returns>

public bool IsIP(String ip)

{

return System.Text.RegularExpressions.Regex.Match(ip, @"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$").Success;

}

/// <summary>

/// 比较两个数字的大小

/// </summary>

/// <param name="ipx">要比较的第一个对象</param>

/// <param name="ipy">要比较的第二个对象</param>

/// <returns>比较的结果.如果相等返回0，如果x大于y返回1，如果x小于y返回-1</returns>

private int CompareInt(int x, int y)

{

if (x > y)

{

return 1;

}

else if (x < y)

{

return -1;

}

else

{

return 0;

}

}

/// <summary>

/// 比较两个IP地址的大小

/// </summary>

/// <param name="ipx">要比较的第一个对象</param>

/// <param name="ipy">要比较的第二个对象</param>

/// <returns>比较的结果.如果相等返回0，如果x大于y返回1，如果x小于y返回-1</returns>

private int CompareIp(string ipx, string ipy)

{

string[] ipxs = ipx.Split('.');

string[] ipys = ipy.Split('.');

for (int i = 0; i < 4; i++)

{

if (Convert.ToInt32(ipxs[i]) > Convert.ToInt32(ipys[i]))

{

return 1;

}

else if (Convert.ToInt32(ipxs[i]) < Convert.ToInt32(ipys[i]))

{

return -1;

}

else

{

continue;

}

}

return 0;

}

/// <summary>

/// 获取或设置按照哪一列排序.

/// </summary>

public int SortColumn

{

set

{

ColumnToSort = value;

}

get

{

return ColumnToSort;

}

}

/// <summary>

/// 获取或设置排序方式.

/// </summary>

public System.Windows.Forms.SortOrder Order

{

set

{

OrderOfSort = value;

}

get

{

return OrderOfSort;

}

}

}

}

以上代码封装后无须更改，在窗体中添加一个ListView控件，在窗体的Load事件中添加如下代码：

复制代码 代码如下:

private void Form1_Load(object sender, EventArgs e)

{

this.listView1.ListViewItemSorter = new Common.ListViewColumnSorter();

this.listView1.ColumnClick += new ColumnClickEventHandler(Common.ListViewHelper.ListView_ColumnClick);

}