<xml>  <ToUserName><![CDATA[toUser]]></ToUserName>  <FromUserName><![CDATA[fromUser]]></FromUserName>  <CreateTime>1348831860</CreateTime>  <MsgType><![CDATA[text]]></MsgType>  <Content><![CDATA[this is a test]]></Content>  <MsgId>1234567890123456</MsgId>  </xml> 

package com.phil.wechat.msg.model.req;  import java.io.Serializable;  /**  * 基礎(chǔ)消息類  *  * @author phil  *  */ public abstract class AbstractMsg implements Serializable {    private static final long serialVersionUID = -6244277633057415731L;  private String ToUserName; // 開發(fā)者微信號  private String FromUserName; // 發(fā)送方帳號（一個OpenID）  private String MsgType = SetMsgType(); // 消息類型 例如 /text/image  private long CreateTime; // 消息創(chuàng)建時間 （整型）  private long MsgId; // 消息id，64位整型  /**   * 消息類型   *   * @return   */  public abstract String SetMsgType(); } 

package com.phil.wechat.msg.model.req;  /**  * 文本消息  * @author phil  * @date 2017年6月30日  *  */ public class TextMsg extends AbstractMsg {   private static final long serialVersionUID = -1764016801417503409L;  private String Content; // 文本消息  @Override  public String SetMsgType() {   return "text";  } } 

<xml> <ToUserName><![CDATA[toUser]]></ToUserName> <FromUserName><![CDATA[fromUser]]></FromUserName> <CreateTime>12345678</CreateTime> <MsgType><![CDATA[text]]></MsgType> <Content><![CDATA[你好]]></Content> </xml> 

package com.phil.wechat.msg.model.resp;  import java.io.Serializable;  /**  * 消息基類（公眾帳號 -> 普通用戶）  *  * @author phil  *  */ public abstract class RespAbstractMsg{  // 接收方帳號（收到的OpenID）  private String ToUserName;  // 開發(fā)者微信號  private String FromUserName;  // 消息創(chuàng)建時間 （整型）  private long CreateTime;  // 消息類型（text/music/news）  private String MsgType = setMsgType(); // 消息類型  public abstract String setMsgType(); } 

package com.phil.wechat.msg.model.resp;  /**  * 回復圖片消息  *  * @author phil  * @data 2017年3月26日  *  */ public class RespImageMsg extends RespAbstractMsg {  private Image Image;  @Override  public String setMsgType() {   return "image";  }   /**   *   * @author phil   * @date 2017年7月19日   *   */  public class Image {    // 通過素材管理中的接口上傳多媒體文件，得到的id。   private String MediaId;    public String getMediaId() {    return MediaId;   }    public void setMediaId(String mediaId) {    MediaId = mediaId;   }  } } 

package com.phil.wechat.msg.controller;  import java.io.IOException; import java.io.InputStream; import java.util.Map; import java.util.Objects;  import org.apache.commons.lang3.StringUtils; import org.dom4j.DocumentException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod;  import com.phil.modules.config.WechatConfig; import com.phil.modules.util.MsgUtil; import com.phil.modules.util.SignatureUtil; import com.phil.modules.util.XmlUtil; import com.phil.wechat.base.controller.BaseController; import com.phil.wechat.base.result.WechatResult; import com.phil.wechat.msg.model.req.BasicMsg; import com.phil.wechat.msg.model.resp.RespAbstractMsg; import com.phil.wechat.msg.model.resp.RespNewsMsg; import com.phil.wechat.msg.service.WechatMsgService;  /**  * @author phil  * @date 2017年9月19日  *  */ @Controller @RequestMapping("/wechat") public class WechatMsgController extends BaseController {    private Logger logger = LoggerFactory.getLogger(this.getClass());    @Autowired  private WechatMsgService wechatMsgService;    /**   * 校驗信息是否是從微信服務(wù)器發(fā)出，處理消息   * @param out   * @throws IOException   */  @RequestMapping(value = "/handler", method = { RequestMethod.GET, RequestMethod.POST })  public void processPost() throws Exception {   this.getRequest().setCharacterEncoding("UTF-8");   this.getResponse().setCharacterEncoding("UTF-8");   boolean ispost = Objects.equals("POST", this.getRequest().getMethod().toUpperCase());   if (ispost) {    logger.debug("接入成功，正在處理邏輯");    String respXml = defaultMsgDisPose(this.getRequest().getInputStream());//processRequest(request, response);    if (StringUtils.isNotBlank(respXml)) {     this.getResponse().getWriter().write(respXml);    }   } else {    String signature = this.getRequest().getParameter("signature");    // 時間戳    String timestamp = this.getRequest().getParameter("timestamp");    // 隨機數(shù)    String nonce = this.getRequest().getParameter("nonce");    // 通過檢驗signature對請求進行校驗，若校驗成功則原樣返回echostr，表示接入成功，否則接入失敗    if (SignatureUtil.checkSignature(signature, timestamp, nonce)) {     // 隨機字符串     String echostr = this.getRequest().getParameter("echostr");     logger.debug("接入成功，echostr {}", echostr);     this.getResponse().getWriter().write(echostr);    }   }  }   /**   * 默認處理方法   * @param input   * @return   * @throws Exception   * @throws DocumentException   */  private String defaultMsgDisPose(InputStream inputStream) throws Exception {   String result = null;   if (inputStream != null) {    Map<String, String> params = XmlUtil.parseStreamToMap(inputStream);    if (params != null && params.size() > 0) {     BasicMsg msgInfo = new BasicMsg();     String createTime = params.get("CreateTime");     String msgId = params.get("MsgId");     msgInfo.setCreateTime((createTime != null && !"".equals(createTime)) ? Integer.parseInt(createTime) : 0);     msgInfo.setFromUserName(params.get("FromUserName"));     msgInfo.setMsgId((msgId != null && !"".equals(msgId)) ? Long.parseLong(msgId) : 0);     msgInfo.setToUserName(params.get("ToUserName"));     WechatResult resultObj = coreHandler(msgInfo, params);     if(resultObj == null){ //      return null;     }     boolean success = resultObj.isSuccess(); //如果 為true,則表示返回xml文件, 直接轉(zhuǎn)換即可,否則按類型     if (success) {      result = resultObj.getObject().toString();     } else {      int type = resultObj.getType(); // 這里規(guī)定 1 圖文消息 否則直接轉(zhuǎn)換      if (type == WechatResult.NEWSMSG) {       RespNewsMsg newsMsg = (RespNewsMsg) resultObj.getObject();       result = MsgUtil.newsMsgToXml(newsMsg);      } else {       RespAbstractMsg basicMsg = (RespAbstractMsg) resultObj.getObject();       result = MsgUtil.msgToXml(basicMsg);      }     }    } else {     result = "msg is wrong";    }   }   return result;  }    /**   * 核心處理   *   * @param msg   *   消息基類   * @param params   *   xml 解析出來的 數(shù)據(jù)   * @return   */  private WechatResult coreHandler(BasicMsg msg, Map<String, String> params) {   WechatResult result = null;   String msgType = params.get("MsgType");   if (StringUtils.isEmpty(msgType)) {    switch (msgType) {    case WechatConfig.REQ_MESSAGE_TYPE_TEXT: // 文本消息     result = wechatMsgService.textMsg(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_IMAGE: // 圖片消息     result = wechatMsgService.imageMsg(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_LINK: // 鏈接消息     result = wechatMsgService.linkMsg(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_LOCATION: // 地理位置     result = wechatMsgService.locationMsg(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_VOICE: // 音頻消息     result = wechatMsgService.voiceMsg(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_SHORTVIDEO: // 短視頻消息     result = wechatMsgService.shortvideo(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_VIDEO: // 視頻消息     result = wechatMsgService.videoMsg(msg, params);     break;    case WechatConfig.REQ_MESSAGE_TYPE_EVENT: // 事件消息     String eventType = params.get("Event"); //     if (eventType != null && !"".equals(eventType)) {      switch (eventType) {      case WechatConfig.EVENT_TYPE_SUBSCRIBE:       result = wechatMsgService.subscribe(msg, params);       break;      case WechatConfig.EVENT_TYPE_UNSUBSCRIBE:       result = wechatMsgService.unsubscribe(msg, params);       break;      case WechatConfig.EVENT_TYPE_SCAN:       result = wechatMsgService.scan(msg, params);       break;      case WechatConfig.EVENT_TYPE_LOCATION:       result = wechatMsgService.eventLocation(msg, params);       break;      case WechatConfig.EVENT_TYPE_CLICK:       result = wechatMsgService.eventClick(msg, params);       break;      case WechatConfig.EVENT_TYPE_VIEW:       result = wechatMsgService.eventView(msg, params);       break;      case WechatConfig.KF_CREATE_SESSION:       result = wechatMsgService.kfCreateSession(msg, params);       break;      case WechatConfig.KF_CLOSE_SESSION:       result = wechatMsgService.kfCloseSession(msg, params);       break;      case WechatConfig.KF_SWITCH_SESSION:       result = wechatMsgService.kfSwitchSession(msg, params);       break;      default:       wechatMsgService.eventDefaultReply(msg, params);       break;      }     }     break;    default:     wechatMsgService.defaultMsg(msg, params);    }   }   return result;  } }