全网小程序接口请求封装实例代码

const request = require('requtil.js')
/*Apis 把全部api都存在这里*/
const Apis = { 
 /* 用户相关 */
 'login': '/devicecenter/auth/weChtLoin',
 'bindUser': '/devicecenter/user/userBindinOpenId',
 'genQrCode': '/devicecenter/user/getUserRcode',
 
 /* 设备相关 */
 'getDeviceList': '/minipro/group/getDl', // 获取设备列表
 'getDeviceAdd': '/minipro/group/addDl', // 添加设备
 'getDeviceDtl': '/minipro/group/delDl', // 删除设备
}
/* 定义请求方法 */
const user = {
 login: function(data) {
 request.get(Apis.login, data)
 },
 getSecret: function(data) {
 request.get(Apis.getSecret, data)
 },
}
module.exports = {
 ...user
}

const globalsetting = require('globalsetting.js')
const baseURL = globalsetting.server
const util = require('util.js')

const ignoreUrls = [
 '/auth/weChatLogin',
 '/user/userBindingOpenId',
 '/user/getSecret',
 '/user/getOpenId'
]
var token = ''

function post(url, args) {
 args = _prev(url, 'POST', args)
 wx.request(args)
}
function get(url, args) {
 args = _prev(url, 'GET', args)
 wx.request(args)
}
function put(url, args) {
 args = _prev(url, 'PUT', args)
 wx.request(args)
}
function _delete(url, args) {
 args = _prev(url, 'DELETE', args)
 wx.request(args)
}
function _prev(url, method, args) {
 // console.log('123',args)
 args = args || {}
 args.url = url
 if(args.urlparam) 
 args.url += '/' + args.urlparam
 var params = parseParams(args)
 params.method = method
 params.success = success(params.success)
 params.fail = fail(params.fail)
 setToken(params)
 return params
}
// 处理接口是否需要添加header.token方法
function setToken(params) {
 if (!ignoreUrls.some(url => params.url.match(new RegExp(url)))) {
 if (!params.header)
  params.header = { token: getToken() }
 else 
  params.header.token = getToken()
 } else {
 // console.log('ignore: ', params.url)
 }
}
// 处理接口参数方法
function parseParams(args) {
 var params = Object.assign(args)
 if (!(params.url.startsWith('https://') || params.url.startsWith('http://')))
 params.url = baseURL + params.url
 if(params.param) {
 if (params.url.indexOf('?') > -1 && params.url.indexOf('?') != params.url.length - 1) {
  params.url += '&' 
 } else if(params.url.indexOf('?') == params.url.length -1) {
  // 无任何操作
 } else {
  params.url += '?'
 }
 var buf = ''
 for(var name in params.param) {
  let val = params.param[name];
  buf += name + '=' + encodeURI(typeof val == 'object' ? JSON.stringify(val) : val) + '&'
 }
 params.url += buf
 }
 return params
}
// 接口返回成功方法
function success(callback) {
 return function(rs) {
 var status = rs.statusCode
 if (status == 405) {
  util.errorMsg('请求失败405：\n服务器返回失败')
 } else if(status == 404) {
  util.errorMsg('请求失败404：\n找不到接口')
 }
 if(callback) callback(rs.data)
 }
}

function fail(callback) {
 return function(rs) {
 console.log(rs)
 if(callback) callback(rs)
 }
}
// 获取接口请求回来的token
function _setToken(tk) {
 token = tk
 wx.setStorageSync('token', token)
}

import api from './utils/apis.js';
App({
	api: api,
})

const APP = getApp()
getDevList(e){
 this.getChatRecord().then(res => {
 wx.hideLoading({
  success: (res) => {},
 });
 if(res.id == '-1') {
  utils.errorMsg(res.message);
 }else {
  console.log(res)
 }
 })
}
// 设备列表请求接口
getChatRecord (params = {}) {
 return new Promise((resolve, reject) => {
 APP.api.getDeviceList({
  success: res => {
  resolve(res)
  }
 })
 })
},