/** 文件名:HttpPost.java 描述: 有个网站老是给我发Email,所以就写了个小程序自动往留言本里面插入数据 作者:慈勤强 Email:[email protected] 最后修改:2004-10-08 **/
  import java.net.*; import java.io.*; 
 class  HttpPost extends Thread {   private String strUrl;  private String strPostData;    public void setUrl(String str)  {   strUrl=str;  }  public String getUrl()  {   return strUrl;  }  public void setPostData(String str)  {   strPostData = str;  }  public String getPostData()  {   return strPostData;  }   public void doHttpPost()  {    String s,s1;   s=getUrl();   s1=getPostData();   if(s!=null)   {    try    {     URL url = new URL(s);     URLConnection conn = url.openConnection();     conn.setDoOutput(true);     OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());     wr.write(s1);     wr.flush();     BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));     wr.close();     rd.close();    }    catch(Exception e)    {     System.out.println(e.toString());    }     }  } 
 public void run()  {   for(int i=1;i<20;i++)   {    HttpPost hp=new HttpPost();    hp.setUrl("http://www.hdptex.com/liuyan/savedata.asp");    hp.setPostData("txtname=茅山道人&txtEmail=s&txtTitle=不可不看&txtContent=http://blog.csdn.net/cqq");    hp.doHttpPost();    System.out.println("" + i);   }  } 
 public static void main(String[] args)   {     try   {      Thread[] t=new Thread[2];    for(int i=0;i<t.length;i++)    {     t[i]=new HttpPost();     t[i].start();    }   }   catch(Exception e)   {    System.out.println(e.toString());   }    } }  
 
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