MP-zxs/app.js

// app.js
import {
    xcxdl
} from "./apis/index"

import authorize from "./utils/authorize"
App({
    onLaunch() { 
        // 登录
        let publicId = wx.getStorageSync("PUBLIC_ID")
        if (!publicId || !publicId.openid || !publicId.unionid) {
            wx.login({
                success: res => {
                    xcxdl({
                        js_code: res.code
                    }).then((res) => {
                        if (res.code == 200) {
                            wx.setStorageSync('PUBLIC_ID', {
                                openid: res.openid,
                                unionid: res.unionid
                            })
                        }
                    })
                }
            })
        }
        // 用户鉴权
        this.globalData = {
            authorize: authorize
        }
    },
})