Java虛擬網絡機器人源代碼

package auto;
import java.net.*;
import java.sql.*;
import java.io.*;
import java.util.*;
//import db.*;
public class test extends Thread{
 URL weburl;
 String urladdr;
 public test()
 {}
 public test(String urladdr,URL weburl)
 {
  this.urladdr=urladdr;
  this.weburl=weburl;
  }
  public test(String urladdr)
  { 
   try{
   this.urladdr=urladdr;
   //weburl=new URL(urladdr);
   this.start();
   }
   catch(Exception e){System.out.println(e.toString());}
   }
 public InputStream getStream(String url)
 { 
  try{
   //urladdr=url;
  URL tempurl=new URL(url);
  
  return tempurl.openStream();
  }catch(Exception e){System.out.println("hello");}
  return null;
 }
 public void run()
 {
   while(true)
   { try{
    getStream(urladdr);
    Thread.sleep(200);
    }catch(Exception e){}
   }
 }
 public String getStr(InputStream in) 
 {
  try{
  StringBuffer temp=null;
  BufferedReader buffer=new BufferedReader(new InputStreamReader(in));
  String tempstr="";
  String strsum="";
   while ((tempstr=buffer.readLine())!=null)
   {
    strsum=strsum+tempstr;
     
   }
   buffer.close();
   //in.close();
   return strsum;}
   catch(Exception e){System.out.println("shit");
   }
  return "";
 }
 public String getMTVURL(String html)
 { try{
  String temp=html.substring(html.lastIndexOf("../")+3);
  temp=temp.substring(0,temp.indexOf("\""));
  temp="http://movies.v111.com/movies/film/play.asp?Id=30959";+temp;
  
  temp=temp.trim();
  
  
  return temp; }catch(Exception e){System.out.println(e.toString());}
  return null;
 }
 public String getMTVname(String html)
 {
  try{
  String temp=html.substring(html.indexOf("作品名：")+4);
  temp=temp.substring(0,temp.indexOf("</td>"));
  temp=temp.trim();
  return temp;}
  catch(Exception e){System.out.println("hello");}
  return null; 
 }
 public void insertdb(String MTVURL,String MTVname)
 {
 // DBoperate writer=new DBoperate();
 // String insert="insert into mtvList(mtvname,mtvurl)values('"+MTVname+"','"+MTVURL+"')";
 // writer.exesql(insert); 
 }
 public void getover()
 {
  InputStream in=getStream(urladdr);
  String content=getStr(in);
  String url=getMTVURL(content);
  String name=getMTVname(content);
  insertdb(url,name); 
 }
 public static void main(String[] avg)
 { 
  for(;;)
  {
   
  try{ 
  test look=new test("http://www.sje.cn";);
  look.getStream(look.urladdr).close();
  Thread.sleep(500);
 }
  catch(Exception e){
   System.out.println(e.toString());
   continue;}}
 }
}