import auth from '@/plugins/auth'
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import router, { constantRoutes, dynamicRoutes } from '@/router'
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import { getRouters } from '@/api/menu'
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import Layout from '@/layout/index'
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import ParentView from '@/components/ParentView'
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import InnerLink from '@/layout/components/InnerLink'
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// 匹配views里面所有的.vue文件
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const modules = import.meta.glob('./../../views/**/*.vue')
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const usePermissionStore = defineStore(
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'permission',
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{
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state: () => ({
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routes: [],
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addRoutes: [],
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defaultRoutes: [],
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topbarRouters: [],
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sidebarRouters: []
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}),
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actions: {
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setRoutes(routes) {
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this.addRoutes = routes
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this.routes = constantRoutes.concat(routes)
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},
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setDefaultRoutes(routes) {
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this.defaultRoutes = constantRoutes.concat(routes)
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},
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setTopbarRoutes(routes) {
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this.topbarRouters = routes
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},
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setSidebarRouters(routes) {
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this.sidebarRouters = routes
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},
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generateRoutes(roles) {
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return new Promise(resolve => {
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// 向后端请求路由数据
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getRouters().then(res => {
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// 三份数据各自深拷贝后分别构建，normalizeRouteNames 是确定性的，
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// 因此三处得到的 name 完全一致，页签缓存不会对不上。
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const sdata = normalizeRouteNames(JSON.parse(JSON.stringify(res.data)))
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const rdata = normalizeRouteNames(JSON.parse(JSON.stringify(res.data)))
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const defaultData = normalizeRouteNames(JSON.parse(JSON.stringify(res.data)))
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const sidebarRoutes = filterAsyncRouter(sdata)
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const rewriteRoutes = filterAsyncRouter(rdata, false, true)
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const defaultRoutes = filterAsyncRouter(defaultData)
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const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
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asyncRoutes.forEach(route => { router.addRoute(route) })
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this.setRoutes(rewriteRoutes)
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this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
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this.setDefaultRoutes(sidebarRoutes)
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this.setTopbarRoutes(defaultRoutes)
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resolve(rewriteRoutes)
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})
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})
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}
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}
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})
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const isContainerRoute = (route) =>
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route.component === 'Layout' || route.component === 'ParentView' || route.component === 'InnerLink'
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/**
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* 修正后端菜单里的路由重名。
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*
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* 两种情况 vue-router 4 会因重名丢路由或直接报错：
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* 1. 父容器与后代页面同名（如 /standardMaterial 容器与其下的标准物质清单页都叫
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* StandardMaterial）——vue-router 3 允许，vue-router 4 抛
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* "A route named X has been added as a child of a route with the same name"；
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* 2. 两个不同菜单项取了同一个 name（如两个「报告结果」都叫 ReportResults）——
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* addRoute 时后者会把前者挤掉，被挤掉的那条路径就点不开了。
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*
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* 处理策略：先保留第一次出现的 name，后续重名一律加数字后缀。容器与后代叶子重名
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* 时优先改容器名（页面 name 与组件 name 一致，是页签缓存的键，尽量不动）。
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*/
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function normalizeRouteNames(routes) {
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const leafNames = new Set()
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const collectLeafNames = (list) => {
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list.forEach(route => {
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if (route.name && !isContainerRoute(route)) leafNames.add(route.name)
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if (route.children && route.children.length) collectLeafNames(route.children)
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})
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}
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collectLeafNames(routes)
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const used = new Set()
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const walk = (list) => {
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list.forEach(route => {
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if (route.name) {
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const conflict = used.has(route.name) ||
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(isContainerRoute(route) && leafNames.has(route.name))
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if (conflict) {
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let suffix = 2
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while (leafNames.has(`${route.name}${suffix}`) || used.has(`${route.name}${suffix}`)) suffix++
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route.name = `${route.name}${suffix}`
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}
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used.add(route.name)
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}
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if (route.children && route.children.length) walk(route.children)
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})
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}
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walk(routes)
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return routes
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}
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// 遍历后台传来的路由字符串，转换为组件对象
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function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
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return asyncRouterMap.filter(route => {
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if (type && route.children) {
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route.children = filterChildren(route.children)
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}
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if (route.component) {
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// Layout ParentView 组件特殊处理
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if (route.component === 'Layout') {
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route.component = Layout
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} else if (route.component === 'ParentView') {
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route.component = ParentView
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} else if (route.component === 'InnerLink') {
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route.component = InnerLink
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} else {
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route.component = loadView(route.component)
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}
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}
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if (route.children != null && route.children && route.children.length) {
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route.children = filterAsyncRouter(route.children, route, type)
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} else {
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delete route['children']
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delete route['redirect']
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}
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return true
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})
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}
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function filterChildren(childrenMap, lastRouter = false) {
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var children = []
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childrenMap.forEach(el => {
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el.path = lastRouter ? lastRouter.path + '/' + el.path : el.path
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if (el.children && el.children.length && el.component === 'ParentView') {
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children = children.concat(filterChildren(el.children, el))
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} else {
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children.push(el)
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}
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})
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return children
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}
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// 动态路由遍历，验证是否具备权限
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export function filterDynamicRoutes(routes) {
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const res = []
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routes.forEach(route => {
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if (route.permissions) {
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if (auth.hasPermiOr(route.permissions)) {
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res.push(route)
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}
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} else if (route.roles) {
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if (auth.hasRoleOr(route.roles)) {
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res.push(route)
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}
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}
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})
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return res
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}
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export const loadView = (view) => {
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let res
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for (const path in modules) {
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const dir = path.split('views/')[1].split('.vue')[0]
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if (dir === view || dir === `${view}/index`) {
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res = () => modules[path]()
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}
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}
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return res
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}
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export default usePermissionStore
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