Files
vue-element-admin/src/permission.js
花裤衩 45fef9b431 Feature/english (#381)
* perf[navbar]: set langSelect to component && refine errorLog component

* feat[login]:add 18n to login form

* fix[pagination]: fixed when selected page-sizes

* perf[i18n]:dashboard document svg permission

* perf[charts]: perf effect

* perf[i18n]:excel && zip

* perf[i18n]: table && errorLog && theme

* perf[i18n]: components

* perf[i18n]: direct use $t

* perf[i18n]: complex-table

* update README.md

* update README.md 📘

* perf[i18n]: refine code comments
2017-12-29 16:07:42 +08:00

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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' // getToken from cookie
import { Message } from 'element-ui'
// permissiom judge
function hasPermission(roles, permissionRoles) {
if (roles.indexOf('admin') >= 0) return true // admin permission passed directly
if (!permissionRoles) return true
return roles.some(role => permissionRoles.indexOf(role) >= 0)
}
const whiteList = ['/login', '/authredirect']// no redirect whitelist
router.beforeEach((to, from, next) => {
NProgress.start() // start progress bar
if (getToken()) { // 判断是否有token
if (to.path === '/login') {
next({ path: '/' })
NProgress.done() // router在hash模式下 手动改变hash 重定向回来 不会触发afterEach 暂时hack方案 pshistory模式下无问题可删除该行
} else {
if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
store.dispatch('GetUserInfo').then(res => { // 拉取user_info
const roles = res.data.role
store.dispatch('GenerateRoutes', { roles }).then(() => { // 生成可访问的路由表
router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
})
}).catch(() => {
store.dispatch('FedLogOut').then(() => {
Message.error('Verification failed, please login again')
next({ path: '/login' })
})
})
} else {
// 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
if (hasPermission(store.getters.roles, to.meta.role)) {
next()//
} else {
next({ path: '/401', query: { noGoBack: true }})
NProgress.done() // router在hash模式下 手动改变hash 重定向回来 不会触发afterEach 暂时hack方案 pshistory模式下无问题可删除该行
}
// 可删 ↑
}
}
} else {
if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单,直接进入
next()
} else {
next('/login') // 否则全部重定向到登录页
NProgress.done() // router在hash模式下 手动改变hash 重定向回来 不会触发afterEach 暂时hack方案 pshistory模式下无问题可删除该行
}
}
})
router.afterEach(() => {
NProgress.done() // finish progress bar
})