permission.js
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import { constantRoutes } from '@/router'
import { getRouters } from '@/api/menu'
import Layout from '@/layout/index'
const permission = {
state: {
routes: [],
addRoutes: []
},
mutations: {
SET_ROUTES: (state, routes) => {
state.addRoutes = routes
state.routes = constantRoutes.concat(routes)
}
},
actions: {
// 生成路由
GenerateRoutes({ commit }) {
return new Promise(resolve => {
// 向后端请求路由数据
getRouters().then(res => {
const accessedRoutes = filterAsyncRouter(res.data)
accessedRoutes.push({ path: '*', redirect: '/404', hidden: true })
commit('SET_ROUTES', accessedRoutes)
resolve(accessedRoutes)
})
})
}
}
}
// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap) {
return asyncRouterMap.filter(route => {
if (route.component) {
// Layout组件特殊处理
if (route.component === 'Layout') {
route.component = Layout
} else {
route.component = loadView(route.component)
}
}
if (route.children != null && route.children && route.children.length) {
route.children = filterAsyncRouter(route.children)
}
return true
})
}
export const loadView = (view) => { // 路由懒加载
return (resolve) => require([`@/views/${view}`], resolve)
}
export default permission