微信公众平台API的Java通讯实现代码,Java代码库,德仔网

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【Java】微信公众平台API的Java通讯实现
作者:舞维天下 / 发布于2013/7/19/ 1179

	package org.marker.weixin;

	import java.io.IOException;
	import java.io.InputStream;
	import java.io.OutputStream;
	import java.io.Writer;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;

	import javax.servlet.ServletException;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	import org.marker.weixin.msg.Msg;
	import org.marker.weixin.msg.Msg4Event;
	import org.marker.weixin.msg.Msg4Image;
	import org.marker.weixin.msg.Msg4Link;
	import org.marker.weixin.msg.Msg4Location;
	import org.marker.weixin.msg.Msg4Music;
	import org.marker.weixin.msg.Msg4Text;

	/**
	* 处理微信服务器请求的Servlet URL地址：http://xxx/weixin/dealwith.do
	*
	* 注意：官方文档限制使用80端口哦！
	*
	* @author marker
	* @blog www.yl-blog.com
	* @weibo http://t.qq.com/wuweiit
	*/
	public class WinXinServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	//TOKEN 是你在微信平台开发模式中设置的哦
	public static final String TOKEN = "";

	/**
	 * 处理微信服务器验证
	 *
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 * response)
	 */
	protected void doGet(HttpServletRequest request,
	 HttpServletResponse response) throws ServletException, IOException {
	 String signature = request.getParameter("signature");// 微信加密签名
	 String timestamp = request.getParameter("timestamp");// 时间戳
	 String nonce = request.getParameter("nonce");// 随机数
	 String echostr = request.getParameter("echostr");// 随机字符串

	 // 重写totring方法，得到三个参数的拼接字符串
	 List<String> list = new ArrayList<String>(3) {
	 private static final long serialVersionUID = 2621444383666420433L;
	 public String toString() {
	 return this.get(0) + this.get(1) + this.get(2);
	 }
	 };
	 list.add(TOKEN);
	 list.add(timestamp);
	 list.add(nonce);
	 Collections.sort(list);// 排序
	 String tmpStr = new MySecurity().encode(list.toString(),
	 MySecurity.SHA_1);// SHA-1加密
	 Writer out = response.getWriter();
	 if (signature.equals(tmpStr)) {
	 out.write(echostr);// 请求验证成功，返回随机码
	 } else {
	 out.write("");
	 }
	 out.flush();
	 out.close();
	}


	/**
	 * 处理微信服务器发过来的各种消息，包括：文本、图片、地理位置、音乐等等
	 *
	 *
	 */
	protected void doPost(HttpServletRequest request,
	 HttpServletResponse response) throws ServletException, IOException {
	 InputStream is = request.getInputStream();
	 OutputStream os = response.getOutputStream();
	 @SuppressWarnings("unused")
	 Session session = new Session(is, os) {

	 @Override
	 public void onTextMsg(Msg4Text msg) {
	 System.out.println(msg.getToUserName());
	 System.out.println("收到消息"+msg.getContent());
	
	 //回复一条消息
	 Msg4Text reMsg = new Msg4Text();
	 reMsg.setFromUserName(msg.getToUserName());
	 reMsg.setToUserName(msg.getFromUserName());
	 reMsg.setCreateTime(msg.getCreateTime());
	 reMsg.setMsgType(Msg.MSG_TYPE_TEXT);//设置消息类型
	 reMsg.setContent("呵呵,谢谢您给我发消息");
	 reMsg.setFuncFlag("0");
	
	 callback(reMsg);//回传消息
	 }

	 @Override
	 public void onImageMsg(Msg4Image msg) {
	 System.out.println("收到图片"+msg.getPicUrl());
	 }

	 @Override
	 public void onEventMsg(Msg4Event msg) {
	 String eType = msg.getEvent();
	 if(Msg4Event.SUBSCRIBE.equals(eType)){
	 System.out.println("关注人："+msg.getFromUserName());
	
	 }else if(Msg4Event.UNSUBSCRIBE.equals(eType)){
	 System.out.println("取消关注人："+msg.getFromUserName());
	
	 }else{//点击：暂时内测
	 System.out.println("反正有事件推过来");
	 }
	
	 }

	 @Override
	 public void onLinkMsg(Msg4Link msg) {
	 System.out.println("收到URL："+msg.getUrl());
	 }

	 @Override
	 public void onLocationMsg(Msg4Location msg) {
	 System.out.println("收到地理位置消息：");
	 System.out.println("X:"+msg.getLocation_X());
	 System.out.println("Y:"+msg.getLocation_Y());
	 System.out.println("Scale:"+msg.getScale());
	 }

	 @Override
	 public void onErrorMsg(int errorCode) {
	 // TODO Auto-generated method stub
	
	 }
	
	 };
	}

	}
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