1 package cn.liuning;  2   3   4 import java.io.IOException;  5 import java.io.InputStream;  6 import java.io.PrintWriter;  7 import java.text.SimpleDateFormat;  8 import java.util.LinkedHashMap;  9 import java.util.List; 10 import java.util.Map; 11  12 import javax.servlet.ServletException; 13 import javax.servlet.http.HttpServlet; 14 import javax.servlet.http.HttpServletRequest; 15 import javax.servlet.http.HttpServletResponse; 16  17 import org.dom4j.Document; 18 import org.dom4j.Element; 19 import org.dom4j.io.SAXReader; 20 import org.kohsuke.rngom.digested.Main; 21  22  23 public class CoreServe extends HttpServlet  24 { 25      26      //用于存放解析的结果 27     public static Map<String, String> parseXml(HttpServletRequest request, HttpServletResponse response) throws Exception  28     {   29         // 将解析结果存储在HashMap中  ，用到了泛型，就是Map中只能使用string-string的对用，其他数据类型不行 30         Map<String, String> map = new LinkedHashMap<String, String>();   31         // 从request中取得输入流   32         InputStream inputStream = request.getInputStream();  33         // 读取输入流    34         SAXReader reader = new SAXReader();   35         Document document = reader.read(inputStream);   36         // 得到xml根元素   37         Element root = document.getRootElement();    38         // 得到根元素的所有子节点   39         List<Element> elementList = root.elements();   40         // 遍历所有子节点，增强for进行循环 41         //也可以使用传统方式 42         for (Element e : elementList)   43             map.put(e.getName(), e.getText());   44         // 释放资源   45         inputStream.close();   46         inputStream = null;   47          48  49         //原样输出<XML>文档 50         String value =http://www.mamicode.com/ document.asXML(); 51         char []str = value.toCharArray(); 52         PrintWriter out = response.getWriter(); 53         out.println("原始消息"); 54         // out.println(value); 55         //直接输出string会有<?xml version="1.0" encoding="UTF-8"?> 56         //所以除去头上的39个元素输出 57         for(int i=0;i<value.length()-39;i++) 58         { 59             out.print(str[i+38]); 60         } 61         return map;   62     }   63     public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException         64     { 65         try { 66             //解决乱码问题 67          request.setCharacterEncoding("UTF-8");   68          response.setContentType("text/html;charset=UTF-8");  69           70          Map<String, String> requestMap; 71          requestMap = parseXml(request,response); 72          String fromUserName = requestMap.get("FromUserName"); 73          String toUserName = requestMap.get("ToUserName");  74          String createtime = requestMap.get("CreateTime"); 75          int ctime = Integer.parseInt(createtime); 76          String msgType = requestMap.get("MsgType");    77          PrintWriter out = response.getWriter(); 78         out.println("解析结果："); 79         out.print("FromUserName(来自)：");out.println(fromUserName); 80         out.print("ToUserName(发送至)：");out.println(toUserName); 81         out.print("CreateTime(时间)："); 82          83         //时间转换 84         SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss"); 85         out.println(format.format((long)ctime*1000L)); 86          87         out.print("MsgType(类型)：");out.println(msgType); 88         if(msgType.equals("text")) 89         { 90              String content = requestMap.get("Content"); 91              String msgId = requestMap.get("MsgId"); 92              out.print("Content(文本内容)：");out.println(content); 93                 out.print("MsgId(文本消息标记号)：");out.println(msgId);  94         } 95         else if(msgType.equals("event")) 96         { 97                 String event = requestMap.get("Event"); 98              String eventKey = requestMap.get("EventKey"); 99              out.print("Event(事件)：");out.println(event);100             out.print("Eventkey(事件值)：");out.println(eventKey);101         }102         out.flush();103         out.close();104         } catch (Exception e) {105             // TODO 自动生成的 catch 块106             e.printStackTrace();107         }108     } 109 }