微信消息通知相关代码补充，存在问题，未调试通。

ghy-admin/src/main/java/com/ghy/GhyApplication.java

@@ -3,6 +3,8 @@ package com.ghy;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.client.RestTemplate;
 
 /**
  * 启动程序
@@ -27,4 +29,9 @@ public class GhyApplication
                 " |  |  \\    /  \\      /           \n" +
                 " ''-'   `'-'    `-..-'              ");
     }
+
+    @Bean
+    public RestTemplate restTemplate(){
+        return new RestTemplate();
+    }
 }

ghy-admin/src/main/resources/application.yaml

@@ -59,7 +59,7 @@ spring:
     time-zone: GMT+8
     date-format: yyyy-MM-dd HH:mm:ss
   profiles:
-    active: druid
+    active: dev
   # 文件上传
   servlet:
      multipart:
@@ -104,8 +104,10 @@ swagger:
 
 #小程序配置
 wx:
-  appId: 'wxc39c2af3ea24cd37'
+#  appId: 'wxc39c2af3ea24cd37'
-  secret: '96d566c3169b8715904950d9cf3cbf60'
+#  secret: '96d566c3169b8715904950d9cf3cbf60'
+  appId: 'wx105ce607b514ff2a'
+  secret: '51df6f2d33bf639fa05891af7a69a56e'
 #  appId: 'wx404f2439a8c24e15'
 #  secret: '49ade04a817067fe2d65ab2f17afce75'
 

ghy-system/pom.xml

@@ -23,6 +23,12 @@
             <artifactId>ghy-common</artifactId>
         </dependency>
 
+        <!--微信模版消息推送三方sdk-->
+        <dependency>
+            <groupId>com.github.binarywang</groupId>
+            <artifactId>weixin-java-mp</artifactId>
+            <version>3.3.0</version>
+        </dependency>
     </dependencies>
 
 </project>

ghy-system/src/main/java/com/ghy/system/config/WxMsgConfig.java

@@ -0,0 +1,42 @@
+package com.ghy.system.config;
+
+import lombok.Data;
+
+/**
+ * @author 但星霖
+ * 微信消息msg 实体
+ * @date 2023-01-06 13:38
+ */
+@Data
+public class WxMsgConfig {
+
+    /**
+     * 接收者（用户）的 openid
+     */
+    private String touser;
+
+    /**
+     * 所需下发的订阅模板id
+     */
+    private String template_id;
+
+    /**
+     * 点击消息后跳转的页面
+     */
+    private String page = "index";
+
+    /**
+     * 跳转小程序类型：developer为开发版；trial为体验版；formal为正式版；默认为正式版
+     */
+    private String miniprogram_state = "developer";
+
+    /**
+     * 进入小程序查看”的语言类型，支持zh_CN(简体中文)、en_US(英文)、zh_HK(繁体中文)、zh_TW(繁体中文)，默认为zh_CN返回值
+     */
+    private String lang = "zh_CN";
+
+    /**
+     * 模板数据，这里定义为object是希望所有的模板都能使用这个消息配置
+     */
+    private Object data;
+}

ghy-system/src/main/java/com/ghy/system/service/IWxMsgService.java

@@ -0,0 +1,24 @@
+package com.ghy.system.service;
+
+import com.ghy.common.enums.OrderStatus;
+
+/**
+ * @author 但星霖
+ * 微信消息推送业务接口层
+ * @date 2023-01-06 13:34
+ */
+public interface IWxMsgService {
+
+    /**
+     * 微信消息通知发送
+     *
+     * @param openId      openId
+     * @param remind      提醒
+     * @param orderId     订单编号
+     * @param name        姓名
+     * @param orderStatus 订单类型
+     * @param time        时间
+     * @return 是否推送成功
+     */
+    Boolean sendMsg(String openId, String remind, String orderId, String name, OrderStatus orderStatus, Long time);
+}

ghy-system/src/main/java/com/ghy/system/service/impl/WxMsgServiceImpl.java

@@ -0,0 +1,179 @@
+package com.ghy.system.service.impl;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.ghy.common.enums.OrderStatus;
+import com.ghy.system.config.WxMsgConfig;
+import com.ghy.system.service.IWxMsgService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author 但星霖
+ * @date 2023-01-06 14:02
+ * 微信消息推送业务接口实现层
+ */
+@Slf4j
+@Service
+public class WxMsgServiceImpl implements IWxMsgService {
+
+    @Autowired
+    private RestTemplate restTemplate;
+
+    @Value("${wx.appId}")
+    private String appId;
+    @Value("${wx.secret}")
+    private String secret;
+
+    @Override
+    public Boolean sendMsg(String openId, String remind, String orderId, String name, OrderStatus orderStatus, Long time) {
+        WxMsgConfig wxMsgConfig = getQRCodeMsgConfig(openId, remind, orderId, name, orderStatus, time);
+        // 通知urL
+        String url = "https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=" + getAccessToken();
+        log.info("微信消息通知请求地址：{}", url);
+        log.info("微信消息通知请求参数：{}", wxMsgConfig);
+        JSONObject responseData = postData(url, wxMsgConfig);
+        log.info("微信消息通知请求参数：{}", JSON.toJSONString(responseData));
+        Integer errorCode = responseData.getInteger("errcode");
+        String errorMessage = responseData.getString("errmsg");
+        if (errorCode == 0) {
+            log.info("用户：" + "openId" + "消息推送成功");
+            return true;
+        } else {
+            log.error("微信消息通知请求参数,errcode：{},errorMessage：{}", errorCode, errorMessage);
+        }
+        return false;
+    }
+
+
+    /**
+     * 获取acctoken
+     *
+     * @return
+     */
+    public String getAccessToken() {
+        Map<String, String> params = new HashMap<>();
+        params.put("APPID", appId);
+        params.put("APPSECRET", secret);
+        ResponseEntity<String> responseEntity = restTemplate.getForEntity(
+                "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={APPID}&secret={APPSECRET}", String.class, params);
+        String body = responseEntity.getBody();
+        JSONObject object = JSON.parseObject(body);
+        return object.getString("access_token");
+    }
+
+    /**
+     * 消息体系组装
+     *
+     * @param openId      openId
+     * @param remind      提醒信息
+     * @param orderId     订单ID
+     * @param name        用户姓名
+     * @param orderStatus 订单状态
+     * @param time        时间信息
+     * @return WxMsgConfig实体信息
+     */
+    private WxMsgConfig getQRCodeMsgConfig(String openId, String remind, String orderId, String name, OrderStatus orderStatus, Long time) {
+        // 基础数据添加。
+        JSONObject jsonObject = new JSONObject();
+        // 订单编号
+        jsonObject.put("character_string22", orderId);
+        // 用户姓名
+        jsonObject.put("thing19", name);
+        // 下单时间
+        jsonObject.put("time1", new Date(time));
+        // 提醒信息
+        jsonObject.put("thing5", remind);
+        /**
+         * 消息推送配置参数拼接
+         */
+        WxMsgConfig wxMsgConfig = new WxMsgConfig();
+        // openId
+        wxMsgConfig.setTouser(openId);
+        // 模板id
+        wxMsgConfig.setTemplate_id("gFoPAYF4J6Y_O5OzzNUbvMxTrsAS7aUWffdNH42xhzM");
+        // 数据data
+        wxMsgConfig.setData(jsonObject);
+        return wxMsgConfig;
+
+    }
+
+    /**
+     * 发送请求
+     *
+     * @param url   http 推送url
+     * @param param 消息体系信息
+     * @return JSONObject实体信息
+     */
+    public JSONObject postData(String url, WxMsgConfig param) {
+        MediaType type = MediaType.parseMediaType("application/json; charset=UTF-8");
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(type);
+        HttpEntity<WxMsgConfig> httpEntity = new HttpEntity<>(param, headers);
+        return restTemplate.postForObject(url, httpEntity, JSONObject.class);
+    }
+
+    /**
+     * 获取对应模板id
+     *
+     * @param orderStatus 订单状态
+     * @return 模板ID
+     */
+    private String templateIdGet(OrderStatus orderStatus) {
+        /**
+         *     GOING_CANCEL(-2, "待上门时申请取消"),
+         *     SERVER_CANCEL(-3, "服务中申请取消"),
+         *     FINISH_CHECK_CANCEL(-4, "待确认时申请取消"),
+         *     RECEIVE(0, "待接单"),
+         *     PLAIN(1, "待排期"),
+         *     GOING(2, "待上门"),
+         *     SERVER(3, "服务中"),
+         *     FINISH_CHECK(4, "待确认"),
+         *     FINISH(5, "已完成"),
+         *     CANCEL(6, "已取消");
+         */
+        switch (orderStatus) {
+            case GOING_CANCEL:
+                // 待上门时申请取消
+                return "12";
+            case SERVER_CANCEL:
+                // 服务中申请取消
+                return "12";
+            case FINISH_CHECK_CANCEL:
+                // 待确认时申请取消
+                return "12";
+            case RECEIVE:
+                // 待接单
+                return "12";
+            case PLAIN:
+                // 待排期
+                return "12";
+            case GOING:
+                // 待上门
+                return "12";
+            case SERVER:
+                // 服务中
+                return "12";
+            case FINISH_CHECK:
+                // 待确认
+                return "12";
+            case FINISH:
+                // 已完成
+                return "12";
+            default:
+                // 已取消
+                return "2";
+        }
+    }
+}