offline_mer/src/permission.js

import Element from 'element-ui'
import router from './router'
import store from './store'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { roterPre } from '@/settings'
import { editFormApi } from '@/api/user'
import { MessageBox, Message } from 'element-ui'
NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = [`${roterPre}/login`, '/auth-redirect'] // no redirect whitelist
router.beforeEach(async (to, from, next) => {
    let isEdit = store.getters.isEdit
    // if(from.name == 'AddProduct' || from.name == 'CreateSpikeGoods' || from.name == 'preSaleCreate' || from.name == 'assistProductCreate' || from.name == 'combinationCreate'){
    if (isEdit) {
        MessageBox.confirm('离开该编辑页面，已编辑信息会丢失，请问您确认离开吗？', '提示', {
            confirmButtonText: '离开',
            cancelButtonText: '不离开',
            confirmButtonClass: 'btnTrue',
            cancelButtonClass: 'btnFalse',
            type: 'warning'
        }).then(() => {
            // async() => {              
            // }     
            store.dispatch("settings/setEdit", false);
            NProgress.start()
            document.title = getPageTitle(to.meta.title)
            const hasToken = getToken()
            if (hasToken) {
                if (to.path === `${roterPre}/login`) {
                    // if is logged in, redirect to the home page
                    next({ path: '/' })
                    NProgress.done()
                } else {
                    if (from.fullPath === '/' && from.path !== `${roterPre}/login`) {
                        editFormApi().then(res => {
                            next()
                        }).catch(res => {
                            next()
                        })
                    } else {
                        next()
                    }
                }
            } else {
                /* has no token*/
                if (whiteList.indexOf(to.path) !== -1) {
                    // in the free login whitelist, go directly
                    next()
                } else {
                    // other pages that do not have permission to access are redirected to the login page.
                    // await store.dispatch('user/resetToken')
                    next(`${roterPre}/login?redirect=${to.path}`)
                    NProgress.done()
                }
            }

        })
    } else {
        // start progress bar
        NProgress.start()
        // set page title
        document.title = getPageTitle(to.meta.title)

        // determine whether the user has logged in
        const hasToken = getToken()
        if (hasToken) {
            if (to.path === `${roterPre}/login`) {
                // if is logged in, redirect to the home page
                next({ path: '/' })
                NProgress.done()
            } else {
                if (from.fullPath === '/' && from.path !== `${roterPre}/login`) {
                    editFormApi().then(res => {
                        next()
                    }).catch(res => {
                        next()
                    })
                } else {
                    // next()
                    if (!to.query.t) {
                        next({ ...to, query: { ...to.query, t: Date.now() } })
                    } else {
                        next()
                    }
                }
            }
        } else {
            /* has no token*/
            if (whiteList.indexOf(to.path) !== -1) {
                // in the free login whitelist, go directly
                next()
            } else {
                // other pages that do not have permission to access are redirected to the login page.
                await store.dispatch('user/resetToken')
                next(`${roterPre}/login?redirect=${to.path}`)
                NProgress.done()
            }
        }
        store.dispatch("settings/setEdit", false);
    }
})
router.afterEach(() => {
    // finish progress bar
    NProgress.done()
})