course fix

app/controller/course/location.js

+'use strict';
+
+const Controller = require('egg').Controller;
+
+class LocationController extends Controller {
+
+    /**
+     * 筛选项
+     */
+    async getAddress() {
+
+        const { ctx } = this;
+        const { lat, lng } = ctx.request.body;
+        if (!lat || !lng) {
+            ctx.failed('error lat lng');
+        }
+        const location_ret = await ctx.service.course.lbs.getLBSLocation({ lat, lng });
+        let address = '获取位置信息失败';
+        if (location_ret.result.formatted_addresses && location_ret.result.formatted_addresses.recommend) {
+            address = location_ret.result.formatted_addresses.recommend;
+        }
+
+        ctx.success({ result: address });
+    }
+
+}
+
+module.exports = LocationController;

app/router/course.js

@@ -6,6 +6,7 @@ module.exports = app => {
     const miniAuth = app.middleware.miniAuth();//登录中间件
 
     router.get('third', '/options', 'course.option.getOptions');//筛选项
+    router.post('third', '/address', 'course.location.getAddress');//根据经纬度或ip获取地理位置信息
     router.post('third', '/institutions', 'course.institution.institutionList');//机构列表
     router.get('third', '/institutions', 'course.institution.institutionList');//机构列表
     router.get('third', '/institution/:institution_id/:area_id', 'course.institution.institutionInfo');//机构详情

app/service/course/lbs.js

@@ -95,28 +95,28 @@ class LbsService extends Service {
     return { result };
   }
 
-    // 地址解析
-    async getLBSAddress(address) {
-      const { ctx } = this;
-      let result = {};
-      const params = {
-        address,
-        key: ctx.app.config.TX_LBS_KEY,
-      };
-  
-      const resp = await ctx.helper.send_request(ctx.app.config.TX_LBS_ADDRESS_URL, params, { method: 'GET' });
-      // resp.data.status 状态码，0：正常，310：请求参数信息有误，311：Key格式错误，306：请求有护持信息请检查字符串，110：请求来源未被授权
-      ctx.logger.info('tx_lbs_address_resp: ' + JSON.stringify(resp));
-      if (resp.status === 200) {
-        // 判断响应是否正确
-        if (resp.data.status === 0) {
-          result = resp.data.result;
-        }
+  // 逆地址解析
+  async getLBSLocation(location) {
+    const { ctx } = this;
+    let result = {};
+    const params = {
+      location: location.lat + ',' + location.lng,
+      key: ctx.app.config.TX_LBS_KEY,
+    };
+
+    const resp = await ctx.helper.send_request(ctx.app.config.TX_LBS_ADDRESS_URL, params, { method: 'GET' });
+    // resp.data.status 状态码，0：正常，310：请求参数信息有误，311：Key格式错误，306：请求有护持信息请检查字符串，110：请求来源未被授权
+    ctx.logger.info('tx_lbs_address_resp: ' + JSON.stringify(resp));
+    if (resp.status === 200) {
+      // 判断响应是否正确
+      if (resp.data.status === 0) {
+        result = resp.data.result;
       }
-  
-      return { result };
     }
 
+    return { result };
+  }
+
 
 
 }