1.消息推送配置，智能回复

litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/web/WxMsgController.java

+package org.linlinjava.litemall.wx.web;
+
+import cn.binarywang.wx.miniapp.api.WxMaService;
+import cn.binarywang.wx.miniapp.bean.WxMaMessage;
+import cn.binarywang.wx.miniapp.message.WxMaXmlOutMessage;
+import me.chanjar.weixin.common.error.WxErrorException;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author liyang
+ * @Description 微信消息推送配置
+ * @date 2021-11-10 17:32:25
+ */
+@RestController
+@RequestMapping(value = "/wx/msg")
+public class WxMsgController {
+
+    private final Log logger = LogFactory.getLog(WxMsgController.class);
+
+    @Autowired
+    private WxMaService wxMaService;
+
+    /**
+     * token校验
+     *
+     * @param signature
+     * @param timestamp
+     * @param nonce
+     * @param echostr
+     * @return
+     */
+    @GetMapping(value = "/config", produces = "text/plain;charset=utf-8")
+    public String config(@RequestParam(required = false) String signature,
+                         @RequestParam(required = false) String timestamp,
+                         @RequestParam(required = false) String nonce,
+                         @RequestParam(required = false) String echostr) {
+        return !wxMaService.checkSignature(timestamp, nonce, signature) ? "fail" : echostr;
+    }
+
+    /**
+     * 消息回复
+     *
+     * @param request
+     * @param response
+     * @return
+     */
+    @PostMapping(value = "/config", produces = "application/xml;charset=utf-8")
+    public String config(HttpServletRequest request, HttpServletResponse response) {
+        WxMaMessage wxMaMessage = null;
+        try {
+            wxMaMessage = WxMaMessage.fromXml(request.getInputStream());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        if (wxMaMessage != null) {
+            String msgType = wxMaMessage.getMsgType();
+            if ("text".equals(msgType)) {
+                try {
+                    Map<String, Object> msg = new HashMap<>();
+                    Map<String, String> body = new HashMap<>();
+                    msg.put("access_token", wxMaService.getAccessToken());
+                    msg.put("touser", wxMaMessage.getFromUser());
+                    msg.put("msgtype", wxMaMessage.getMsgType());
+                    body.put("content", wxMaMessage.getContent());
+                    msg.put("text", body);
+                    wxMaService.post("https://api.weixin.qq.com/cgi-bin/message/custom/send", msg);
+                } catch (WxErrorException e) {
+                    e.printStackTrace();
+                }
+            }
+            WxMaXmlOutMessage wxMaXmlOutMessage = new WxMaXmlOutMessage();
+            wxMaXmlOutMessage.setMsgType("transfer_customer_service");
+            wxMaXmlOutMessage.setToUserName(wxMaMessage.getFromUser());
+            wxMaXmlOutMessage.setFromUserName(wxMaMessage.getToUser());
+            wxMaXmlOutMessage.setCreateTime(wxMaMessage.getCreateTime().longValue());
+            final String xml = wxMaXmlOutMessage.toXml();
+            logger.info(xml);
+            return xml;
+        }
+        return null;
+    }
+
+}