java版微信机器人代码详解编程语言

  
import java.io.IOException; 
import java.io.PrintWriter; 
import java.util.Date; 
import javax.servlet.ServletException; 
import javax.servlet.http.HttpServlet; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
import com.eiyoung.wechat.web.utils.Message; 
import com.eiyoung.wechat.web.utils.ReplyMessage; 
import org.apache.commons.io.IOUtils; 
import com.thoughtworks.xstream.XStream; 
import com.thoughtworks.xstream.io.xml.DomDriver; 
public class WeChat extends HttpServlet { 
private static final long serialVersionUID = 1L; 
public WeChat() { 
super(); 
} 
/** 
* 验证 
* @param request 
* @param response 
* @throws ServletException 
* @throws IOException 
*/ 
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 
response.setContentType("text/html;charset=UTF-8"); 
PrintWriter pw = response.getWriter(); 
String echo = request.getParameter("echostr"); 
System.out.print(echo); 
echo = new String(echo.getBytes("ISO-8859-1"),"UTF-8"); 
pw.println(echo); 
} 
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 
response.setContentType("text/html;charset=UTF-8"); 
PrintWriter pw = response.getWriter(); 
String wxMsgXml = IOUtils.toString(request.getInputStream(),"utf-8"); 
Message textMsg = null; 
try { 
textMsg = getMessage(wxMsgXml); 
} catch (Exception e) { 
e.printStackTrace(); 
} 
StringBuffer replyMsg = new StringBuffer(); 
if(textMsg != null){ 
//增加你所需要的处理逻辑，这里只是简单重复消息 
replyMsg.append("您给我的消息是："); 
replyMsg.append(textMsg.getContent()); 
} 
else{ 
replyMsg.append(":)不是文本的消息，我暂时看不懂"); 
} 
String returnXml = getReplyMessage(replyMsg.toString(), textMsg.getFromUserName(),textMsg.getToUserName()); 
System.out.print(textMsg.toString()); 
System.out.print(returnXml.toString()); 
pw.println(returnXml); 
} 
private Message getMessage(String xml){ 
XStream xstream = new XStream(new DomDriver()); 
xstream.alias("xml", Message.class); 
xstream.aliasField("ToUserName", Message.class, "toUserName"); 
xstream.aliasField("FromUserName", Message.class, "fromUserName"); 
xstream.aliasField("CreateTime", Message.class, "createTime"); 
xstream.aliasField("MsgType", Message.class, "messageType"); 
xstream.aliasField("Content", Message.class, "content"); 
xstream.aliasField("MsgId", Message.class, "msgId"); 
Message Message = (Message)xstream.fromXML(xml); 
return Message; 
} 
private String getReplyMessage(String replyMsg,String toUserName,String fromUserName){ 
ReplyMessage we = new ReplyMessage(); 
we.setMessageType("text"); 
we.setFuncFlag("0"); 
we.setCreateTime(new Long(new Date().getTime()).toString()); 
we.setContent(replyMsg); 
we.setToUserName(toUserName); 
we.setFromUserName(fromUserName); 
XStream xstream = new XStream(new DomDriver()); 
xstream.alias("xml", ReplyMessage.class); 
xstream.aliasField("ToUserName", ReplyMessage.class, "toUserName"); 
xstream.aliasField("FromUserName", ReplyMessage.class, "fromUserName"); 
xstream.aliasField("CreateTime", ReplyMessage.class, "createTime"); 
xstream.aliasField("MsgType", ReplyMessage.class, "messageType"); 
xstream.aliasField("Content", ReplyMessage.class, "content"); 
xstream.aliasField("FuncFlag", ReplyMessage.class, "funcFlag"); 
String xml =xstream.toXML(we); 
return xml; 
} 
} 
=========================================================================== 
package com.eiyoung.wechat.web.utils; 
/** 
* Created with IntelliJ IDEA. 
* User: sb 
* Date: 8/1/13 
* Time: 10:37 PM 
* To change this template use File | Settings | File Templates. 
*/ 
public class ReplyMessage { 
private String FuncFlag;//消息编号 
private String fromUserName;//发送人 
private String toUserName;//接收人 
private String content;//内容 
private String messageType;//消息类型 
private String createTime;//创建日期 
public String getContent() { 
return content; 
} 
public void setContent(String content) { 
this.content = content; 
} 
public String getMessageType() { 
return messageType; 
} 
public void setMessageType(String messageType) { 
this.messageType = messageType; 
} 
public String getFromUserName() { 
return fromUserName; 
} 
public void setFromUserName(String fromUserName) { 
this.fromUserName = fromUserName; 
} 
public String getToUserName() { 
return toUserName; 
} 
public void setToUserName(String toUserName) { 
this.toUserName = toUserName; 
} 
public String getCreateTime() { 
return createTime; 
} 
public void setCreateTime(String createTime) { 
this.createTime = createTime; 
} 
public String getFuncFlag() { 
return FuncFlag; 
} 
public void setFuncFlag(String funcFlag) { 
FuncFlag = funcFlag; 
} 
public String toString(){ 
return "createTime:"+getCreateTime()+"//ntoUserName:"+getToUserName()+"//n FromUserName:"+getFromUserName()+"//nmessageType:"+getMessageType()+"//ncontent:"+getContent(); 
} 
} 
=============================================================================== 
package com.eiyoung.wechat.web.utils; 
import java.util.Date; 
/** 
* Created with IntelliJ IDEA. 
* User: sb 
* Date: 8/1/13 
* Time: 10:37 PM 
* To change this template use File | Settings | File Templates. 
*/ 
public class Message { 
private String msgId;//消息编号 
private String fromUserName;//发送人 
private String toUserName;//接收人 
private String content;//内容 
private String messageType;//消息类型 
private String createTime;//创建日期 
public String getContent() { 
return content; 
} 
public void setContent(String content) { 
this.content = content; 
} 
public String getMessageType() { 
return messageType; 
} 
public void setMessageType(String messageType) { 
this.messageType = messageType; 
} 
public String getFromUserName() { 
return fromUserName; 
} 
public void setFromUserName(String fromUserName) { 
this.fromUserName = fromUserName; 
} 
public String getToUserName() { 
return toUserName; 
} 
public void setToUserName(String toUserName) { 
this.toUserName = toUserName; 
} 
public String getCreateTime() { 
return createTime; 
} 
public void setCreateTime(String createTime) { 
this.createTime = createTime; 
} 
public String getMsgId() { 
return msgId; 
} 
public void setMsgId(String msgId) { 
this.msgId = msgId; 
} 
public String toString(){ 
return "msgId:"+getMsgId()+"//ncreateTime:"+getCreateTime()+"//ntoUserName:"+getToUserName()+"//n FromUserName:"+getFromUserName()+"//nmessageType:"+getMessageType()+"//ncontent:"+getContent(); 
} 
} 
============================================================================== 
maven 
<dependencies> 
<dependency> 
<groupId>junit</groupId> 
<artifactId>junit</artifactId> 
<version>3.8.1</version> 
<scope>test</scope> 
</dependency> 
<dependency> 
<groupId>javax.servlet</groupId> 
<artifactId>servlet-api</artifactId> 
<version>3.0-alpha-1</version> 
</dependency> 
<dependency> 
<groupId>joda-time</groupId> 
<artifactId>joda-time</artifactId> 
<version>2.2</version> 
</dependency> 
<dependency> 
<groupId>org.apache.commons</groupId> 
<artifactId>commons-io</artifactId> 
<version>1.3.2</version> 
</dependency> 
<dependency> 
<groupId>com.thoughtworks.xstream</groupId> 
<artifactId>xstream</artifactId> 
<version>1.4.3</version> 
</dependency> 
</dependencies>