判断一个ip通不通能不能ping通代码,CSharp代码库,德仔网

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【CSharp】判断一个ip通不通能不能ping通

作者:Dezai.CN / 发布于2011/12/13/ 3263

<div>
方法一：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.NetworkInformation;
namespace PingIpAddress
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{


} 
private Ping pingSender = new Ping(); 
private string strIP = ""; 
private void button1_Click(object sender, EventArgs e)
{
<span style="color: #ff0000">strIP = txtIP.Text; //要ping的IP地址 第一种方法本人亲自试验过。可以使用</span>
PingOptions pingOption = new PingOptions();
pingOption.DontFragment = true;
string data = "sendData:goodgoodgoodgoodgoodgood";
byte[] buffer = Encoding.ASCII.GetBytes(data);
int timeout = 120;
PingReply reply = pingSender.Send(strIP, timeout, buffer);
if (reply.Status == IPStatus.Success)
{
MessageBox.Show("能ping通 ");
}
else
{
MessageBox.Show("ping不通");
}
}
}
}
方法二：

/***********************************************************/
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Text;
using OSSDOM.CMT.ConfigData;
using System.Net;
using System.Net.NetworkInformation;
namespace OSSDOM.CMT.CommonUse
{
public class PingServer
{

private IPEndPoint EPServer = null;
public PingServer()
{
try
{
EPServer = new IPEndPoint(IPAddress.Parse(MakeOptionDatas.MakeOptionDataInstance.proxy.strProxyIP), int.Parse(MakeOptionDatas.MakeOptionDataInstance.proxy.strProxyPort));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + " " + ex.StackTrace);
}
}
//连接
private Ping pingSender = new Ping(); 
public bool ServerConnected()
{
try
{
PingOptions pingOption = new PingOptions();
pingOption.DontFragment = true;
string data = "sendData";
byte[] buffer = Encoding.ASCII.GetBytes(data);
int timeout = 120;
PingReply reply = pingSender.Send(EPServer.Address, timeout, buffer);
if (reply.Status == IPStatus.Success)
{
//MessageBox.Show("能ping通 ");
return true;
}
else
{
//MessageBox.Show("ping不通");
return false;
}


}
catch
{
return false;
}
}
//断开
public void Disconnect()
{

}
}
}

方法三：

/***********************************************************/

C#判断网络状态
代码 
/// <summary>
/// 是否能 Ping 通指定的主机
/// </summary>
/// <param name="ip">ip 地址或主机名或域名</param>
/// <returns>true 通，false 不通</returns>
public bool Ping(string ip)
{
int timeout = 1000;
string data = "Test Data!";
System.Net.NetworkInformation.Ping p = new System.Net.NetworkInformation.Ping();
System.Net.NetworkInformation.PingOptions options = new System.Net.NetworkInformation.PingOptions();
options.DontFragment = true; byte[] buffer = Encoding.ASCII.GetBytes(data);
System.Net.NetworkInformation.PingReply reply = p.Send(ip, timeout, buffer, options);
if (reply.Status == System.Net.NetworkInformation.IPStatus.Success) return true; else return false;
}

</div>

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