javaweb微信接入

package com.hjs.weixin.servlet; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Arrays; import java.util.logging.Logger; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.hjs.weixin.pojo.Person; import com.hjs.weixin.service.CoreService; import net.sf.json.JSONObject; import net.sf.json.xml.XMLSerializer; /** * @author haibing.xiao * @since jdk1.6 * @version 1.0 */ public class CoreServlet extends HttpServlet{ private Logger log =Logger.getLogger(this.getClass().getName()); private static final long serialVersionUID = 1L; private String Token; private String echostr; @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { connect(request,response); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //第一套方案，用于响应微信客户端的请求信息 //message(request,response); //XMLSerializer xml =new XMLSerializer(); //第二套方案， request.setCharacterEncoding("utf-8") ; response.setCharacterEncoding("utf-8") ; //调用业务核心类，处理消息 String respMessage = CoreService.processRequest(request); //响应消息， PrintWriter out = response.getWriter(); out.print(respMessage); out.close(); } /** *@author haibing.xiao *@return *@exception *@param * * <p>接入连接生效验证</p> */ private void connect(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{ log.info("RemoteAddr: "+ request.getRemoteAddr()); log.info("QueryString: "+ request.getQueryString()); if(!accessing(request, response)){ log.info("服务器接入失败......."); return ; } String echostr=getEchostr(); if(echostr!=null && !"".equals(echostr)){ log.info("服务器接入生效.........."); response.getWriter().print(echostr);//完成相互认证 } } /** * @author haibing.xiao * Date 2013-05-29 * @return boolean * @exception ServletException, IOException * @param * *<p>用来接收微信公众平台的验证</p> */ private boolean accessing(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { String signature = request.getParameter("signature"); String timestamp = request.getParameter("timestamp"); String nonce = request.getParameter("nonce"); String echostr = request.getParameter("echostr"); if( isEmpty(signature)){ return false; } if(isEmpty(timestamp)){ return false; } if(isEmpty(nonce)){ return false; } if(isEmpty(echostr)){ return false; } String[] ArrTmp = { Token, timestamp, nonce }; Arrays.sort(ArrTmp); StringBuffer sb = new StringBuffer(); for (int i = 0; i < ArrTmp.length; i++) { sb.append(ArrTmp[i]); } String pwd = Encrypt(sb.toString()); log.info("signature:"+signature+"timestamp:"+timestamp+"nonce:"+nonce+"pwd:"+pwd+"echostr:"+echostr); if(trim(pwd).equals(trim(signature))){ this.echostr =echostr; return true; }else{ return false; } } private String Encrypt(String strSrc) { MessageDigest md = null; String strDes = null; byte[] bt = strSrc.getBytes(); try { md = MessageDigest.getInstance("SHA-1"); md.update(bt); strDes = bytes2Hex(md.digest()); //to HexString } catch (NoSuchAlgorithmException e) { System.out.println("Invalid algorithm."); return null; } return strDes; } public String bytes2Hex(byte[] bts) { String des = ""; String tmp = null; for (int i = 0; i < bts.length; i++) { tmp = (Integer.toHexString(bts[i] & 0xFF)); if (tmp.length() == 1) { des += "0"; } des += tmp; } return des; } public String getEchostr(){ return echostr; } /** *@author haibing.xiao *@return *@exception ServletException, IOException *@param * * <p>XML组装组件</p> */ private void message(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{ InputStream is = request.getInputStream(); // 取HTTP请求流长度 int size = request.getContentLength(); // 用于缓存每次读取的数据 byte[] buffer = new byte[size]; // 用于存放结果的数组 byte[] xmldataByte = new byte[size]; int count = 0; int rbyte = 0; // 循环读取 while (count < size) { // 每次实际读取长度存于rbyte中 rbyte = is.read(buffer); for(int i=0;i<rbyte;i++) { xmldataByte[count + i] = buffer[i]; } count += rbyte; } is.close(); String requestStr = new String(xmldataByte, "UTF-8"); try{ manageMessage(requestStr,request,response); }catch(Exception e){ e.printStackTrace(); } } /** * @author haibing.xiao * @return * @exception ServletException, IOException * @param * * <p>业务转发组件</p> * */ public static void main(String[] args) { System.out.println("hello world!"); //XMLSerializer xmlSerializer=new XMLSerializer(); Person person = new Person("cmx", 22) ; String result = "{'name':'cmx','age':12}"; //JSONObject jsonObject = JSONObject.fromObject(result); //jsonObject.fromObject(person); //System.out.println(jsonObject.toString()); //JSONObject jsonObject = JSONObject.fromObject(person.toString()) //String xmlString = "" //JSONObject jsonObject = (JSONObject) xmlSerializer.read("<a>cmx</a>") ; //System.out.println(jsonObject.toString()); } private void manageMessage(String requestStr,HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{ String responseStr; try { XMLSerializer xmlSerializer=new XMLSerializer(); JSONObject jsonObject =(JSONObject) xmlSerializer.read(requestStr); String event =jsonObject.getString("Event"); String msgtype =jsonObject.getString("MsgType"); if("CLICK".equals(event) && "event".equals(msgtype)){ //菜单click事件 String eventkey =jsonObject.getString("EventKey"); if("hytd_00