公众号开发

stdiet-admin/src/main/java/com/stdiet/web/controller/custom/CusWxController.java

@@ -2,14 +2,11 @@ package com.stdiet.web.controller.custom;
 
 import com.stdiet.common.core.controller.BaseController;
 import com.stdiet.common.core.domain.AjaxResult;
-import com.stdiet.custom.domain.WxXmlData;
 import com.stdiet.custom.service.ISysWxService;
-import com.thoughtworks.xstream.XStream;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
-import javax.xml.bind.annotation.XmlMimeType;
 
 @RestController
 @RequestMapping("/wx")
@@ -24,8 +21,13 @@ public class CusWxController extends BaseController {
     }
 
     @PostMapping("/checkSign")
-    public String autoResonse(HttpServletRequest request){
+    public String autoResponse(HttpServletRequest request) {
         return sysWxService.autoResponse(request);
     }
 
+    @GetMapping("/accessToken")
+    public AjaxResult getAccessToken() {
+        return sysWxService.getAccessToken();
+    }
+
 }

stdiet-custom/src/main/java/com/stdiet/custom/domain/wechat/WxAccessToken.java

@@ -0,0 +1,12 @@
+package com.stdiet.custom.domain.wechat;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class WxAccessToken implements Serializable {
+    private String accessToken;
+
+    private Integer expiresIn;
+}

stdiet-custom/src/main/java/com/stdiet/custom/service/ISysWxService.java

@@ -1,5 +1,6 @@
 package com.stdiet.custom.service;
 
+import com.stdiet.common.core.domain.AjaxResult;
 import com.stdiet.custom.domain.WxXmlData;
 
 import javax.servlet.http.HttpServletRequest;
@@ -16,4 +17,6 @@ public interface ISysWxService {
     public String wxCheckAuth(String signature, String timestamp, String nonce, String echostr);
 
     public String autoResponse(HttpServletRequest request);
+
+    public AjaxResult getAccessToken();
 }

stdiet-custom/src/main/java/com/stdiet/custom/service/impl/SysWxServiceImpl.java

@@ -1,5 +1,6 @@
 package com.stdiet.custom.service.impl;
 
+import com.stdiet.common.core.domain.AjaxResult;
 import com.stdiet.common.utils.StringUtils;
 import com.stdiet.custom.domain.WxXmlData;
 import com.stdiet.custom.service.ISysWxService;
@@ -29,7 +30,7 @@ public class SysWxServiceImpl implements ISysWxService {
             WxXmlData resultXmlData = new WxXmlData();
             resultXmlData.setToUserName(wxData.getFromUserName());  //收到的消息是谁发来的再发给谁
             resultXmlData.setFromUserName(wxData.getToUserName());  //
-            if (!StringUtils.isEmpty(wxData.getEvent())) {
+            if (wxData.getMsgType().equals(WechatMessageUtil.MESSAGE_EVENT)) {
                 if (wxData.getEvent().equals(WechatMessageUtil.MESSAGE_EVENT_SUBSCRIBE)) {
                     resultXmlData.setMsgType("text");
                     resultXmlData.setCreateTime(System.currentTimeMillis());
@@ -37,7 +38,7 @@ public class SysWxServiceImpl implements ISysWxService {
                 } else if (wxData.getEvent().equals(WechatMessageUtil.MESSAGE_EVENT_UNSUBSCRIBE)) {
 
                 }
-            } else if (wxData.getContent().equalsIgnoreCase("vip")) {
+            } else if (wxData.getMsgType().equals(WechatMessageUtil.MESSAGE_TEXT)) {
                 resultXmlData.setMsgType("text");
                 resultXmlData.setCreateTime(System.currentTimeMillis());
                 resultXmlData.setContent("<a href=\"https://my.openwrite.cn/code/generate?blogId=18931-1576559666626-322\">点击该链接，获取博客解锁验证码</a>");
@@ -55,4 +56,10 @@ public class SysWxServiceImpl implements ISysWxService {
         }
     }
 
+    @Override
+    public AjaxResult getAccessToken() {
+        return AjaxResult.success(WxTokenUtils.fetchAccessToken());
+    }
+
+
 }

stdiet-custom/src/main/java/com/stdiet/custom/utils/WxTokenUtils.java

@@ -1,6 +1,10 @@
 package com.stdiet.custom.utils;
 
+import com.alibaba.fastjson.JSONObject;
+import com.stdiet.common.utils.StringUtils;
+import com.stdiet.common.utils.http.HttpUtils;
 import com.stdiet.custom.domain.WxXmlData;
+import com.stdiet.custom.domain.wechat.WxAccessToken;
 import com.thoughtworks.xstream.XStream;
 import org.apache.commons.io.IOUtils;
 
@@ -13,6 +17,23 @@ public class WxTokenUtils {
 
     // 与接口配置信息中的Token要一致
     private static String token = "shengtangdiet";
+    private static String appId = "wx4a9c1fc9dba53202";
+    private static String appSecret = "fff029ade5d3575df755f4cf9e52f8da";
+    private static String tokenUrl = "https://api.weixin.qq.com/cgi-bin/token";
+
+    public static WxAccessToken fetchAccessToken() {
+        try {
+            String resStr = HttpUtils.sendGet(tokenUrl, "grant_type=client_credential&appid=" + appId + "secret=" + appSecret);
+            if (StringUtils.isEmpty(resStr)) {
+                return null;
+            }
+            JSONObject obj = JSONObject.parseObject(resStr);
+            WxAccessToken token = JSONObject.toJavaObject(obj, WxAccessToken.class);
+            return token;
+        } catch (Exception e) {
+            return null;
+        }
+    }
 
     /**
      * 验证签名