httpthread.java

基于J2me的手机软件演示例子

package com.wy.ch11;

import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.*;

public class HTTPThread extends Thread{
    private TextBox tb;
    public HTTPThread(TextBox t) {
        tb=t;
    }
    
    public void run(){
        HttpConnection hc=null;
        String url="http://127.0.0.1/test.html";
        InputStream is=null;
        StringBuffer buffer=new StringBuffer();
        String result="";
        try{
            hc=(HttpConnection)Connector.open(url);
            
            String host=hc.getHost();
            System.out.println("服务器地址是："+host);
            int port=hc.getPort();
            System.out.println("服务器端口是："+port);
            String protocol =hc.getProtocol();
            System.out.println("网络协议是："+protocol);
            String serverurl=hc.getURL();
            System.out.println("服务器URL是："+serverurl);
            
            int status=hc.getResponseCode();
            if(status==HttpConnection.HTTP_OK){
                is=hc.openInputStream();
                
                int ch;
                while((ch=is.read())!=-1){
                    buffer.append((char)ch);
                }
                
                result=buffer.toString();
                result = new String(result.getBytes("iso-8859-1"),"gb2312");
                tb.setString(result);
            }//if
            
        }catch(Exception e){
        } finally{
            try{
                if(is!=null){
                    is.close();
                }
                if(hc!=null){
                    hc.close();
                }
            }catch(Exception e){
            }
        }//finally
        
    }
    
}