//app.js
App({
 globalData: {
  user_id: null,
  unionid:null,
  url:"https://xxx.com/index.php/Home/Mobile/",   //請(qǐng)求的域名
  user_info:null
 }
})

//index.js
//獲取應(yīng)用實(shí)例
const app = getApp()  //獲取app
//let url = app.globalData.url; //使用方法，可先定義或者直接使用app.globalData.url
wx.request({
  url: app.globalData.url + 'checkfirst', //就可以直接在這里調(diào)用
  method:'POST',
  header:{"Content-Type":"application/x-www-form/"}
  data:{},
  success:(res)=>{}

onLoad: function (options) {
  let that = this //保存臨時(shí)指針
  wx.request({
   url: url + 'GetCouponlist',
   method: 'POST',
   header: { 'Content-Type': 'application/x-www-form-urlencoded' },
   data: { },
   success(res) {
    that.setData({  //使用臨時(shí)指針
     coupon_length:res.data.data.length
    })
   }
  })

success:(res) => {
    this.setData({  //此時(shí)this仍然指向onLoad
     coupon_length:res.data.data.length
    })
   }

//封裝請(qǐng)求
const app = getApp()
let host = app.globalData.url

/**
 * POST 請(qǐng)求
 * model:{
 * url:接口
 * postData:參數(shù) {}
 * doSuccess:成功的回調(diào)
 *  doFail:失敗回調(diào)
 * }
 */
function postRequest(model) {
 wx.request({
  url: host + model.url,
  header: {
   "Content-Type": "application/x-www-form-urlencoded"
  },
  method: "POST",
  data: model.data,
  success: (res) => {
   model.success(res.data)
  },
  fail: (res) => {
   model.fail(res.data)
  }
 })
}

/**
 * GET 請(qǐng)求
 * model:{
 *  url:接口
 *  getData:參數(shù) {}
 *  doSuccess:成功的回調(diào)
 *  doFail:失敗回調(diào)
 * }
 */
function getRequest(model) {
 wx.request({
  url: host + model.url,
  data: model.data,
  success: (res) => {
   model.success(res.data)
  },
  fail: (res) => {
   model.fail(res.data)
  }
 })
}

/**
 * module.exports用來(lái)導(dǎo)出代碼
 * js中通過(guò) let call = require("../util/request.js") 加載
 */
module.exports = {
 postRequest: postRequest,
 getRequest: getRequest
}

module.exports = {
postRequest: postRequest,
getRequest: getRequest
}

let call = require("../../utils/request.js")

//獲取廣告圖
  call.getRequest({
   url:'GetAd',
   success:(res)=>{   //箭頭函數(shù)沒(méi)有指針問(wèn)題
    this.setData({
     urlItem: res.data
    })
   }
  })

call.postRequest({
   url: 'addorder',
   data: {
    shop_id: that.data.shop_id,
    user_id: app.globalData.user_id,
    coupon_sn: that.data.coupon_sn,
    carType: that.data.car_type,
    appointtime: that.data.toTime
   },
   success:(res)=>{
    console.log(res)
    wx.navigateTo({
     url: '../selectPay/selectPay?order_sn=' + res.data.order_sn + '&fee=' + res.data.real_pay + "&order_id=" + res.data.order_id,
    })
   }
  })

<input class='search_input' type='text' confirm-type='search' bindconfirm='toSearch' ></input>
//js部分
toSearch(e){
 console.log(e.detail.value) //e.detail.value 為input框輸入的值
}

//wxml部分
<form bindsubmit="formSubmit" bindreset="formReset">
 <input class='search_input' type='text' confirm-type='search' name="search" bindconfirm='toSearch' >
 <button class='search_btn' form-type='submit'>搜索</button></input>
</form>

//js部分
formSubmit(e){
 console.log(e.detail.value.search) //為輸入框的值，input記得添加name屬性
}