let API_HOST = "http://xxx.com/xxx";let DEBUG = true;//切換數(shù)據(jù)入口var Mock = require('mock.js')function ajax(data = '', fn, method = "get", header = {}) {  if (!DEBUG) {    wx.request({      url: config.API_HOST + data,      method: method ? method : 'get',      data: {},      header: header ? header : { "Content-Type": "application/json" },      success: function (res) {        fn(res);      }    });  } else {    // 模擬數(shù)據(jù)    var res = Mock.mock({      'error_code': '',      'error_msg': '',      'data|10': [{        'id|+1': 1,        'img': "@image('200x100', '#4A7BF7','#fff','pic')",        'title': '@ctitle(3,8)',        'city': "@county(true)",        'stock_num': '@integer(0,100)',//庫(kù)存數(shù)量         'marketing_start': '@datetime()',        'marketing_stop': '@now()',        'price': '@integer(100,2000)',//現(xiàn)價(jià)，單位：分         'original_price': '@integer(100,3000)'      }]     })    // 輸出結(jié)果    // console.log(JSON.stringify(res, null, 2))    fn(res);  }}module.exports = {  ajax: ajax}

//index.js//獲取應(yīng)用實(shí)例var app = getApp()var API = require('../../utils/api.js')Page({  data: {  },  onLoad: function () {    console.log('onLoad')    var that = this    // 使用 Mock    API.ajax('', function (res) {      //這里既可以獲取模擬的res      console.log(res)      that.setData({        list:res.data      })    });    console.log(this.data.list)  }})

<!--index.wxml--><block wx:for="{{list}}" wx:key="name"> <view>{{item.title}}</view> <text>{{item.city}}</text> <view>  <text>{{item.marketing_start}}</text> </view> <image src='{{item.img}}'></image></block>