updateuserdatathread.java

手机登陆wap的代码

import javax.microedition.io.*;
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.* ;
public class UpdateUserDataThread extends Thread
{	
	String url ;

	public UpdateUserDataThread(String url,String id,String pw,String ds)
	{
		String enc = System.getProperty("microedition.encoding") ;
		System.out.println("系统使用的编码:"+enc) ;
		this.url = url+"?id="+id+"&pw="+pw+"&ds="+ds ;
		System.out.println("准备连接:"+this.url) ;
		
	}
	public void run()
	{
		boolean error = false ;
		HttpConnection c = null;
        	InputStream is = null;
		OutputStream os = null;
		DataInputStream dos = null ;
		String line = "" ;
		try 
		{
            		c = (HttpConnection)Connector.open(url);
		
			
			System.out.println("回传码:" + c.getResponseCode()) ;
			
            		is = c.openInputStream();
			dos = new DataInputStream(is) ;
			line = dos.readUTF() ;
			
        	}catch (EOFException e) 
 		{
 			System.out.println("接收到的响应:" + line) ;
 		}catch (Exception e) 
        	{
        		error = true ;
        		Alert al = new Alert("更新时期发生错误",e.toString(),null,AlertType.ALARM) ;
			al.setTimeout(Alert.FOREVER) ;
			Navigator.display.setCurrent(al) ;
        	}finally 
        	{
        		try
 			{
 				if (is != null)
                			is.close();
            			if (os != null)
                			os.close();
            			if (c != null)
                			c.close();
 			}catch(Exception e){}
            		
        	}
        	if(!error)
 		{
        		Alert al = new Alert("更新结果",line,null,AlertType.CONFIRMATION) ;
			al.setTimeout(Alert.FOREVER) ;
			Navigator.display.setCurrent(al) ;
		}
	}
}