小程序封装wx.request，以及调用

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1、新建一个api目录，与pages同级

2、在api目录下新建一个api.js文件

3、编写代码

const host = 'http://test.test.cn'
const wxRequest = function (params, url) {
wx.showToast({
title: '加载中...',
icon: 'loading'
})
wx.request({
url: url,
method: params.method || 'GET',
data: params.data || {},
header: {
'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8'
},
success: function (res) {
params.success && params.success(res)
wx.hideToast()
},
fail: function (res) {
params.fail && params.fail(res)
},
complete: function (res) {
params.complete && params.complete(res)
}
})
}const bindCode = function (params) { wxRequest(params, host + '/AppPhone/Api') }
const startScan = function (params) { wxRequest(params, host + '/AppPhone/Api') }
const imgToservers = function (params) { wxRequest(params, host + '/AppPhone/Api/upload_files') }module.exports = {
bindCode,
startScan,
imgToservers
}

4、在js中调用

import api from '../../api/api.js'
Page({ /**
* 页面的初始数据
*/
data: {
shopCode: '',
deviceId: '',
}, /**
* 生命周期函数--监听页面加载
*/
onLoad: function (options) {
var getShopInfo = wx.getStorageSync('shopInfo');
if (getShopInfo) {
this.setData({
shopCode: getShopInfo.shop_code,
deviceId: getShopInfo.device_id
})
}else{
wx.redirectTo({
url: '../bindnum/bindnum?type=1'
})
}
},
beginScan: function(){
var _that = this;
api.startScan({
method: 'POST',
data: {
shop_code: this.data.shopCode,
device_id: this.data.deviceId,
method: 'get_phone_scanner_id'
},
success: function(res){
console.log(res.data);
}
});
},
})