permission.js
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import router from './router'
import store from './store'
import {
Message
} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {
getUserId,
getToken
} from '@/utils/auth' // get token from cookie
import {
adminBuild
} from '@/api/user.js'
import { filterAsyncRouter } from '@/store/modules/permission.js'
import getPageTitle from '@/utils/get-page-title'
NProgress.configure({
showSpinner: false
}) // NProgress Configuration
const whiteList = ['/login'] // no redirect whitelist
let isFirstLoad = true;
router.beforeEach(async (to, from, next) => {
if (isFirstLoad) {
let urlPart = window.location.href;
const queryIndex = urlPart.indexOf('?');
console.log(queryIndex, 'queryIndexqueryIndexqueryIndex');
if (queryIndex === -1) {
} else {
const queryString = urlPart.slice(queryIndex + 1);
const paramPairs = queryString.split('&');
let idValue = null;
let tokenValue = null;
paramPairs.forEach(pair => {
const [key, value] = pair.split('=');
if (key === 'code') {
idValue = value;
}
});
localStorage.setItem("code", idValue);
}
isFirstLoad = false;
}
// 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) {
console.log(to.path,'path')
if (to.path === '/login') {
// if is logged in, redirect to the home page
next({
path: '/'
})
NProgress.done()
} else {
if (store.getters.routers.length === 0) { // 条件加载
loadMenus(next, to)
store.commit('SET_LOAD', true)
} else if (!store.getters.hasLoad) { // 是否加载过动态路由
// // 修改hasLoad为false，防止死循环
store.commit('SET_LOAD', true)
loadMenus(next, to)
} else {
try {
next()
} catch (error) {
await store.dispatch('user/resetToken')
Message.error(error || 'Has Error')
next(`/login?redirect=${to.path}`)
NProgress.done()
}
}
}
} else {
/* has no token*/
if (whiteList.indexOf(to.path) !== -1) {
console.log('no token')
next()
} else {
next(`/login?redirect=${to.path}`)
NProgress.done()
}
}
})
export const loadMenus = (next, to) => {
adminBuild({ platformUserId: getUserId() }).then(res => {
const asyncRouter = filterAsyncRouter(res.data)
// 画布设置
asyncRouter.forEach(item => {
if (item.path.indexOf('.html') !== -1) {
item.path = item.path + '?' + getToken()
}
})
// 异常跳转添加
asyncRouter.push({ path: '*', redirect: '/404', hidden: true })
store.dispatch('GenerateRoutes', asyncRouter).then(() => { // 存储路由
router.addRoutes(asyncRouter) // 动态添加可访问路由表
next({ ...to, replace: true })
})
})
}
router.afterEach(() => {
// finish progress bar
NProgress.done()
})