微信开发(三)消息的自动回复和关注后自动回复

 1 package com.servlet;
 2 
 3 import java.io.IOException;
 4 import java.io.PrintWriter;
 5 import java.util.Date;
 6 import java.util.Map;
 7 
 8 import javax.servlet.ServletException;
 9 import javax.servlet.http.HttpServlet;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12 
13 import org.dom4j.DocumentException;
14 
15 import com.po.TextMessage;
16 import com.util.MessagesUitl;
17 
18 import sun.misc.MessageUtils;
19 
20 
21 
22 public class WeixinServlet extends HttpServlet{
23 @Override
24 protected void doGet(HttpServletRequest req, HttpServletResponse resp)
25         throws ServletException, IOException {
26     String signature=req.getParameter("signature");
27     String timestamp=req.getParameter("timestamp");
28     String nonce=req.getParameter("nonce");
29     String echostr=req.getParameter("echostr");
30     PrintWriter out=resp.getWriter();
31     if (com.util.CheckUtil.checkSignature(signature, timestamp, nonce)) {
32         System.out.println();
33         out.print(echostr);
34     }else{
35         System.out.println("不匹配");
36     }
37 }
38 @Override
39     protected void doPost(HttpServletRequest req, HttpServletResponse resp)
40             throws ServletException, IOException {
41     resp.setCharacterEncoding("utf-8");
42     req.setCharacterEncoding("utf-8");
43         // TODO Auto-generated method stub
44     PrintWriter out=resp.getWriter();
45         try {
46             
47             Map<String, String>map=MessagesUitl.xmlToMap(req);
48             String fromUserName=map.get("FromUserName");
49             String toUserName=map.get("ToUserName");
50             //String createTime=map.get("CreateTime");
51             String msgType=map.get("MsgType");
52             String content=map.get("Content");
53             //String msgId=map.get("MsgId");
54             String message=null;
55             if (MessagesUitl.MESSAGE_TEXT.equals(msgType)) {
56                 if ("1".equals(content)) {
57                     message=MessagesUitl.initText(toUserName, fromUserName, MessagesUitl.firstMenu());
58                 }else if ("2".equals(content)) {
59                     message=MessagesUitl.initText(toUserName, fromUserName, MessagesUitl.secondMenu());
60                 }else if ("3".equals(content)) {
61                     message=MessagesUitl.initText(toUserName, fromUserName, MessagesUitl.thirdMenu());
62                 }else if ("4".equals(content)) {
63                     message=MessagesUitl.initText(toUserName, fromUserName, MessagesUitl.fourtMenu());
64                 }else if ("?".equals(content)||"？".equals(content)) {
65                     message=MessagesUitl.initText(toUserName, fromUserName, MessagesUitl.menuText());
66                 }
67 //测试代码 无用                
68 //                TextMessage text=new TextMessage();
69 //                text.setFromUserName(toUserName);
70 //                text.setToUserName(fromUserName);
71 //                text.setMsgType("text");
72 //                text.setCreateTime(new Date().getTime());
73 //                text.setContent("您发送的消息是："+content);
74 //                message=MessagesUitl.textMessageToXml(text);
75             }else if(MessagesUitl.MESSAGE_EVENT.equals(msgType)){//事件推送逻辑
76                 String evenType=map.get("Event");//从集合中获取Event具体获取是哪一推送事件
77                 //获取关注后的事件
78                 if (MessagesUitl.MESSAGE_SUBSCRIBE.equals(evenType)) {
79                     message=MessagesUitl.initText(toUserName, fromUserName, MessagesUitl.menuText());
80                 }
81                 
82                 
83             }
84             out.print(message);
85         } catch (DocumentException e) {
86             // TODO Auto-generated catch block
87             e.printStackTrace();
88         }finally{
89             out.close();
90         }
91         
92         
93     }
94 }

 1 package com.po;
 2 
 3 public class TextMessage {
 4     
 5     
 6     private String ToUserName;    //开发者微信号
 7     private String FromUserName;    //发送方帐号（一个OpenID）
 8     private long CreateTime;    //消息创建时间 （整型）
 9     private String MsgType    ;//text
10     private String Content;//文本消息内容
11     private String MsgId;//消息id，64位整型
12     public String getToUserName() {
13         return ToUserName;
14     }
15     public void setToUserName(String toUserName) {
16         ToUserName = toUserName;
17     }
18     public String getFromUserName() {
19         return FromUserName;
20     }
21     public void setFromUserName(String fromUserName) {
22         FromUserName = fromUserName;
23     }
24     public long getCreateTime() {
25         return CreateTime;
26     }
27     public void setCreateTime(long createTime) {
28         CreateTime = createTime;
29     }
30     public String getMsgType() {
31         return MsgType;
32     }
33     public void setMsgType(String msgType) {
34         MsgType = msgType;
35     }
36     public String getContent() {
37         return Content;
38     }
39     public void setContent(String content) {
40         Content = content;
41     }
42     public String getMsgId() {
43         return MsgId;
44     }
45     public void setMsgId(String msgId) {
46         MsgId = msgId;
47     }
48 }