微信小程序 数据访问实例详解

const API_URL = 'http://localhost:4424/api/'

function getApi(url,params){
 return new Promise((res,rej)=>{
  wx.request({
   url:API_URL+'/'+url,
   data:Object.assign({},params),
   header:{'Content-Type': 'application/json'},
   suess:res,
   fail:rej
  })
 })
}

module.exports = {
 GetByParams(url,page=1,pageSize=20,search = ''){
  const params = { start: (page - 1)  pageSize, pageSize: pageSize }
  return getApi(url, search ? Object.assign(params, { q: search }) : params)
   .then(res => res.data)
 },
 GetById(url,id){
  return getApi(url, id)
   .then(res => res.data)
 }
}

const req = require('../../utils/util.js')

Page({
 data: {
  imgUrls: [],
  indicatorDots: true,
  aulay: true,
  interval: 2000,
  duration: 2000
 },
 onLoad(){
  req.GetByParams('home/homebanner')//看这里  看这里  看这里
  .then(d=>this.setData({imgUrls:d,loading:false}))
  .catch(e=>{
   this.setData({imgUrls:[],loading:false})
  })
 }
})