add

app/controller/house/v2/tool.js

 'use strict';
 const Controller = require('egg').Controller;
+const _ = require('lodash');
 const R = require('ramda');
 const moment = require('moment');
 class ToolController extends Controller {
@@ -386,6 +387,29 @@ class ToolController extends Controller {
         ctx.success(ret);
     }
 
+    //购房资格的问题可支持的城市
+    async getHouseQuestionCity() {
+        const { ctx } = this;
+        //所有支持的城市编码
+        let filter = {
+            attributes: ['id'],
+            where: { id: 330100 }
+        }
+        let cityCode = await ctx.blockModel.HouseQuestion.findAll(filter);
+        let ret = [];
+        if (cityCode !== undefined && cityCode.length > 0) {
+            let cityCodes = _.uniq(_.map(cityCode, 'id'));
+            let cityFilter = {
+                attributes: ['name', 'code'],
+                where: { code: { $in: cityCodes } }
+            }
+            let cityName = await ctx.blockModel.City.findAll(cityFilter);
+            ret = cityName !== undefined ? cityName : [];
+        }
+        return ret;
+
+    }
+
     //房价指数可支持的城市
     async getHousePriceFeatureCity() {
 

app/router/house.js

@@ -54,6 +54,7 @@ module.exports = app => {
     router.post('/v2.1/tool/plan', 'house.v2.tool.generateBuyHousePlan_2_1');//生成购房计划
     router.get('/v2/tool/plan_area_list', 'house.v2.tool.planAreaList');//购房计划页面 区域列表接口
     router.get('/v2/tool/:type/:city_code', 'house.v2.tool.getHousePriceFeature');//房价走势图 房价涨跌图 购房资格图、贷款额度问答、供需趋势图
+    router.get('/v2/tool/qusetion/city', 'house.v2.tool.getHouseQuestionCity');//购房资格问题支持的城市
     router.post('/v2/tool/calculate_price', 'house.tool.calculateHousePrice');//房产估价
     router.get('/v2/tool/qfang_area_list', 'house.tool.getQFangAreaList');//房产估价模糊匹配到的小区列表
     router.get('/v2/tool/map_houses', 'house.tool.getMapHouses');//房产估价模糊匹配到的小区列表