ADSL拨号获得不同IP地址

public void ChangeIP()
        {
            
try
            {
                
//change ip
                Execute("rasdial \"宽带名称\" /d"6000);//断开宽带
                Execute("rasdial \"宽带名称\" \"宽带账号\" \"宽带密码\""6000);//连接宽带
            }
            
catch
            {
            }
        }       
/**/
        
/// 
        
/// 执行DOS命令,返回DOS命令的输出
        
/// dos命令
        
/// 等待命令执行的时间(单位:毫秒),如果设定为0,则无限等待
        
/// 返回输出,如果发生异常,返回空字符串
        public static string Execute(string dosCommand, int milliseconds)
        {
            
string output = "";     //输出字符串
            if (dosCommand != null && dosCommand != "")
            {
                Process process 
= new Process();     //创建进程对象
                ProcessStartInfo startInfo = new ProcessStartInfo();
                startInfo.FileName 
= "cmd.exe";      //设定需要执行的命令
                startInfo.Arguments = "/C " + dosCommand;   //设定参数,其中的“/C”表示执行完命令后马上退出
                startInfo.UseShellExecute = false;     //不使用系统外壳程序启动
                startInfo.RedirectStandardInput = false;   //不重定向输入
                startInfo.RedirectStandardOutput = true;   //重定向输出
                startInfo.CreateNoWindow = true;     //不创建窗口
                process.StartInfo = startInfo;
                
try
                {
                    
if (process.Start())       //开始进程
                    {
                        
if (milliseconds == 0)
                            process.WaitForExit();     
//这里无限等待进程结束
                        else
                            process.WaitForExit(milliseconds);  
//这里等待进程结束,等待时间为指定的毫秒
                        output = process.StandardOutput.ReadToEnd();//读取进程的输出
                    }
                }
                
catch
                {
                }
                
finally
                {
                    
if (process != null)
                        process.Close();
                }
            }
            
return output;
        }

 

 

public partial class Form1 : Form
    {
        
public Form1()
        {
            InitializeComponent();
        }

        
int refreshcount = 0;
        
private void Form1_Load(object sender, EventArgs e)
        {
            webBrowser1.Navigate(
"要刷新的地址");
        }
        
private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            backgroundWorker1.RunWorkerAsync();
        }
        List
<string> IPS = new List<string>();
        
public void RefreshBlog()
        {
            
if (refreshcount > 5)//每个IP差不多可以用5次
            {
                ChangeIP();
                
//判断是否连接宽带成功 即是否有两个IP(内网和外网)
                while (System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList.Length < 2)
                {
                    ChangeIP();
                }
                
//获取外网IP并判断是否已使用过
                string ip = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList[1].ToString();
                
while (IPS.Contains(ip))
                {
                    ChangeIP();
                    ip 
= System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList[1].ToString();
                }
                IPS.Add(ip);
                refreshcount 
= 0;
            }
            refreshcount
++;
        }
        
public void ChangeIP()
        {
            
try
            {
                
//change ip
                Execute("rasdial \"宽带名称\" /d"6000);//断开宽带
                Execute("rasdial \"宽带名称\" \"账号\" \"密码\""6000);//连接宽带
            }
            
catch
            {

            }
        }
        
/**/
        
/// 
        
/// 执行DOS命令,返回DOS命令的输出
        
/// 
        
/// dos命令
        
/// 等待命令执行的时间(单位:毫秒),如果设定为0,则无限等待
        
/// 返回输出,如果发生异常,返回空字符串
        public static string Execute(string dosCommand, int milliseconds)
        {
            
string output = "";     //输出字符串

            
if (dosCommand != null && dosCommand != "")
            {
                Process process 
= new Process();     //创建进程对象
                ProcessStartInfo startInfo = new ProcessStartInfo();
                startInfo.FileName 
= "cmd.exe";      //设定需要执行的命令
                startInfo.Arguments = "/C " + dosCommand;   //设定参数,其中的“/C”表示执行完命令后马上退出
                startInfo.UseShellExecute = false;     //不使用系统外壳程序启动
                startInfo.RedirectStandardInput = false;   //不重定向输入
                startInfo.RedirectStandardOutput = true;   //重定向输出
                startInfo.CreateNoWindow = true;     //不创建窗口
                process.StartInfo = startInfo;
                
try
                {
                    
if (process.Start())       //开始进程
                    {
                        
if (milliseconds == 0)
                            process.WaitForExit();     
//这里无限等待进程结束
                        else
                            process.WaitForExit(milliseconds);  
//这里等待进程结束,等待时间为指定的毫秒
                        output = process.StandardOutput.ReadToEnd();//读取进程的输出
                    }
                }
                
catch
                {
                }
                
finally
                {
                    
if (process != null)
                        process.Close();
                }
            }
            
return output;
        }

        
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
        {
            Thread.Sleep(
1000);
            RefreshBlog();
        }

        
private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            seturl:
            
try
            {
                webBrowser1.Navigate(
"博客地址");
            }
            
catch
            {
                
goto seturl;
            }
        }

    }

 

posted @ 2011-06-29 14:37  melody&amp;amp;amp;bobo  阅读(370)  评论(0编辑  收藏  举报