init

src/permission.js

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+/*
+ * @Date: 2020-12-14 09:07:03
+ * @LastEditors: gtz
+ * @LastEditTime: 2021-02-25 09:42:36
+ * @FilePath: \basic-admin\src\permission.js
+ * @Description: 路由权限检查
+ */
+import router from './router'
+// import { resetRouter } from '@/router'
+import { Message } from 'element-ui'
+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 { usePermission } from './settings'
+NProgress.configure({ showSpinner: true }) // NProgress Configuration
+import store from '@/store'
+const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist
+
+router.beforeEach(async(to, from, next) => {
+  // start progress bar
+  NProgress.start()
+
+  // set page title
+  document.title = getPageTitle(to.meta.title)
+
+  // determine whether the user has logged in
+  const hasToken = getToken()
+  console.log('hasToken=' + hasToken)
+  console.log('to.path=' + to.path)
+  if (hasToken) {
+    if (to.path === '/login') {
+      // if is logged in, redirect to the home page
+      console.log('/login', store.getters.menus)
+      next({ path: '/' })
+      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
+    } else {
+      const hasRoles = store.getters.menus && store.getters.menus.length > 0
+      console.log('store.getters.menus', store.getters.menus)
+      console.log('store.getters', store.getters)
+      console.log('hasRoles=', hasRoles)
+      if (hasRoles) {
+        console.log('hasRoles=', store.getters.menus)
+        next()
+        NProgress.done()
+      } else {
+        try {
+          //   // generate accessible routes map based on roles
+          const { menus } = await store.dispatch('user/getInfo')
+          console.log(menus)
+          const accessRoutes = await store.dispatch('permission/generateRoutes', menus)
+          console.log('accessRoutes', accessRoutes)
+          router.addRoutes(accessRoutes)
+          next({ ...to, replace: true })
+        // hack method to ensure that addRoutes is complete
+        // set the replace: true, so the navigation will not leave a history record
+        // next({ ...to, replace: true })
+        } catch (error) {
+        // remove token and go to login page to re-login
+          next(`/login?redirect=${to.path}`)
+          await store.dispatch('user/resetToken')
+          Message.error(error || 'Has Error')
+          NProgress.done()
+        }
+      }
+    }
+  } else {
+    /* has no token*/
+    console.log('has no token to.path=' + to.path)
+    console.log('whiteList.indexOf(to.path)=' + whiteList.indexOf(to.path))
+    if (whiteList.indexOf(to.path) !== -1) {
+      // in the free login whitelist, go directly
+      next()
+    } else {
+      // other pages that do not have permission to access are redirected to the login page.
+      // next()
+      next(`/login?redirect=${to.path}`)
+      NProgress.done()
+    }
+  }
+})
+
+router.afterEach(() => {
+  // finish progress bar
+  NProgress.done()
+})