import Vue from 'vue'
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import Router from 'vue-router'
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import Login from './components/Login.vue'
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Vue.use(Router)
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const router = new Router({
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routes: [
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{ path: '/', redirect: '/login' },
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{ path: '/login', component: Login }
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]
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})
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// 挂载路由导航守卫
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router.beforeEach((to, from, next) => {
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// to 将要访问的路径
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// from 代表从哪个路径跳转而来
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// next 是一个函数，表示放行
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// next() 放行 next('/login') 强制跳转
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if (to.path === '/login') return next()
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// 获取token
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const tokenStr = window.sessionStorage.getItem('token')
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if (!tokenStr) return next('/login')
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next()
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})
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export default router
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