java 微信扫码支付

package main.java.Utils;


import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.HttpClientUtils;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * @author sunzhicheng
 */
public class HttpClientUtil {

    /**
     * @param url  请求地址
     * @param xmlData  参数
     * @return org.apache.http.HttpResponse
     * 文档：http://hc.apache.org/httpcomponents-core-ga/httpcore/apidocs/org/apache/http/HttpResponse.html?is

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-05-26 20:05  微信扫码支付实现\
     文件        1829  2016-05-26 13:20  微信扫码支付实现\HttpClientUtil.java
     文件        2594  2016-05-26 20:00  微信扫码支付实现\Pay.java
     文件        9169  2016-05-26 18:01  微信扫码支付实现\WeixinApiResultImpl.java
     文件       19796  2016-05-26 20:11  微信扫码支付实现\WeixinPayApiImpl.java
     文件        1210  2016-05-26 20:15  微信扫码支付实现\说明.txt