1/fore-end/app.js

// app.js
const {login,getUserInfo} = require('./API/appraise')
const {wxLogin} = require('./utils/util')

App({
  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

	//开发者信息
	const wxInfo = {
		appid: 	'wxc25f00d0fc026ae7',
		appSecret: '9e94011d65b0f4307b1cab14022ea060'
	}
// const ui_w = 360;
	//把vid存到缓存
	wx.setStorageSync('vid', '')
// 获取屏幕的宽度
var clientWidth = wx.getSystemInfoSync().windowWidth;
var loginOption = {

	header :{
		"Content-Type": 'application/x-www-form-urlencoded',
	},
	data:{
		vid: wx.getStorageSync('vid')
	},
}
var infoOption = {
	header:{
		"Authorization": wx.getStorageSync('token')
	},
}
	//检测缓存是否有token
	// console.log(wx.getStorageSync('token'));
	if(wx.getStorageSync('token') == ''){
		// console.log('token不存在');
		// 登录
		wxLogin().then((res)=>{
			console.log(res);
			loginOption.data = {
				code:res.code
			}
			login(loginOption).then(res => {
				console.log(res);
				wx.setStorageSync('token', res.data.data.token);
				wx.setStorageSync('uid', res.data.data.user_info.uid);
				wx.setStorageSync('avatarUrl', res.data.data.user_info.avatar);
				wx.setStorageSync('nickName', res.data.data.user_info.name);
			}).catch(err => {
				console.log(err);
				wx.navigateTo({
					url: '/pages/register/register',
				})
			})
		})
	}else{
		getUserInfo(infoOption).then(res => {
			// console.log(res);
			// console.log('token有效');
			wx.setStorageSync('uid', res.data.data.uid);
			wx.setStorageSync('avatarUrl', res.data.data.avatar);
			wx.setStorageSync('nickName', res.data.data.name);
			wx.setStorageSync('personalSignatrue', res.data.data.sign);
			// console.log(wx.getStorageSync('uid'));
		}).catch(err => {
			console.log('token已失效，请重新登录');
			wxLogin().then((res)=>{
				console.log(res);
				loginOption.data = {
					code: res.code,
				}
				login(loginOption).then(res => {
					// console.log(res);
					wx.setStorageSync('token', res.data.data.token);
					wx.setStorageSync('uid', res.data.data.user_info.uid);
					wx.setStorageSync('avatarUrl', res.data.data.user_info.avatar);
					wx.setStorageSync('nickName', res.data.data.user_info.name);
				}).catch(err => {
					// console.log(err);
					wx.navigateTo({
						url: '/pages/register/register',
					})
				})
			})

		})

	}

  },
  globalData: {
    userInfo: null
  }
})