JEE程序 怎么把接收到的url参数 如数的转发到另一个程序中

比username=ss，在我的程序中可以接收这个参数是没有问题的，怎么把这个参数发送给另一个web程序？只能通过httpclient重新拼接参数吗？

这种情况下 有两种方案，
1 一个是在客户端用ajax去做。可以发送两个ajax请求，参数组装成json，参数的组装不是很麻烦。

2 在服务器端用httpClient或类似的功能，httpClient，也不用拼接字符串，可以使用NameValuePair类，进行参数的封装。

[code="java"]
/**

• Project Name:live_app
• Package Name:com.kuke.core.engine
• File Name:HttpClientUtil.java
• Create Time:2012-4-5 下午04:49:55
• Copyright (c) 2006 ~ 2012 Kuke Tech Dept All rights reserved. */ package com.auth.util;

import java.io.IOException;
import java.util.List;

import org.apache.http.client.ResponseHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.protocol.HTTP;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
*Class HttpClientUtil
*Descripton goes here
*@author：zhjt
*@version: Revision:2.0.0, 2012-4-5 下午04:49:55
*/
public final class HttpClientUtil
{

static Logger  logger = LoggerFactory.getLogger(HttpClientUtil.class);

static int CONNECTIONTIMEOUTMILLIS = 10000;

static int SOCKETTIMEOUTMILLIS = 10000;


/**
 * 执行Http的返回结果<Get>
 */
public static String executeService(String url)throws Exception {
    logger.debug("SSOService executeService start!");
    String result = "";
    DefaultHttpClient httpclient = new DefaultHttpClient();

    //设置超时事件
    HttpConnectionParams.setConnectionTimeout(httpclient.getParams(),CONNECTIONTIMEOUTMILLIS);   
    HttpConnectionParams.setSoTimeout(httpclient.getParams(), SOCKETTIMEOUTMILLIS);          

    try {
        HttpGet httpget = new HttpGet(url);
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String responseBody = httpclient.execute(httpget, responseHandler);
        result = responseBody;          
        logger.debug("SSOService executeService end!");
    }catch(Exception e){
        logger.debug("SSOService executeService error:"+e);         
    } finally {
        httpclient.getConnectionManager().shutdown();
    }
    return result;
}

/**
 * 执行Http的返回结果<POST>
 */
public static String executeServicePOST(String url, List nvps)
        throws IOException {
    logger.debug("SSOService executeServicePOST start!");
    String result = "";
    DefaultHttpClient httpclient = new DefaultHttpClient();

    //设置超时事件
    HttpConnectionParams.setConnectionTimeout(httpclient.getParams(), CONNECTIONTIMEOUTMILLIS);   
    HttpConnectionParams.setSoTimeout(httpclient.getParams(), SOCKETTIMEOUTMILLIS);          
    try {
        HttpPost httpost = new HttpPost( url + "?");
        httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String responseBody = httpclient.execute(httpost, responseHandler);
        result=responseBody;
        logger.debug("SSOService executeServicePOST end!");
    }catch(Exception e){
        logger.debug("SSOService executeServicePOST error:"+e);
    } finally {
        httpclient.getConnectionManager().shutdown();
    }
    return result;
}

}

[/code]
这是个发http请求的例子 你也可以网上搜搜更好的例子