Study/web/src/pinia/modules/router.js

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import { asyncRouterHandle } from '@/utils/asyncRouter'
import { emitter } from '@/utils/bus.js'
import { asyncMenu } from '@/api/menu'
import { defineStore } from 'pinia'
import { ref } from 'vue'
const notLayoutRouterArr = []
const keepAliveRoutersArr = []
const nameMap = {}
// 递归拼接parent Path 返回path
const formatParentPath = (parent) => {
let parentPath = ''
if (parent) {
parentPath = formatParentPath(parent.parent)
parentPath += parent.path
}
return parentPath
}
const formatRouter = (routes, routeMap, parent) => {
routes && routes.forEach(item => {
item.parent = parent
item.meta.btns = item.btns
item.meta.hidden = item.hidden
if (item.meta.defaultMenu === true) {
const parentPath = formatParentPath(parent)
item = { ...item, path: `${parentPath}/${item.path}` }
notLayoutRouterArr.push(item)
}
routeMap[item.name] = item
if (item.children && item.children.length > 0) {
formatRouter(item.children, routeMap, item)
}
})
}
const KeepAliveFilter = (routes) => {
routes && routes.forEach(item => {
// 子菜单中有 keep-alive 的,父菜单也必须 keep-alive否则无效。这里将子菜单中有 keep-alive 的父菜单也加入。
if ((item.children && item.children.some(ch => ch.meta.keepAlive) || item.meta.keepAlive)) {
item.component && item.component().then(val => {
keepAliveRoutersArr.push(val.default.name)
nameMap[item.name] = val.default.name
})
}
if (item.children && item.children.length > 0) {
KeepAliveFilter(item.children)
}
})
}
export const useRouterStore = defineStore('router', () => {
const keepAliveRouters = ref([])
const asyncRouterFlag = ref(0)
const setKeepAliveRouters = (history) => {
const keepArrTemp = []
history.forEach(item => {
if (nameMap[item.name]) {
keepArrTemp.push(nameMap[item.name])
}
})
keepAliveRouters.value = Array.from(new Set(keepArrTemp))
}
emitter.on('setKeepAlive', setKeepAliveRouters)
const asyncRouters = ref([])
const routeMap = ({})
// 从后台获取动态路由
const SetAsyncRouter = async() => {
asyncRouterFlag.value++
const baseRouter = [{
path: '/layout',
name: 'layout',
component: 'view/layout/index.vue',
meta: {
title: '底层layout'
},
children: []
}]
const asyncRouterRes = await asyncMenu()
const asyncRouter = asyncRouterRes.data.menus
asyncRouter && asyncRouter.push({
path: 'reload',
name: 'Reload',
hidden: true,
meta: {
title: '',
closeTab: true,
},
component: 'view/error/reload.vue'
})
formatRouter(asyncRouter, routeMap)
baseRouter[0].children = asyncRouter
if (notLayoutRouterArr.length !== 0) {
console.log(notLayoutRouterArr)
baseRouter.push(...notLayoutRouterArr)
}
asyncRouterHandle(baseRouter)
KeepAliveFilter(asyncRouter)
asyncRouters.value = baseRouter
return true
}
return {
asyncRouters,
keepAliveRouters,
asyncRouterFlag,
SetAsyncRouter,
routeMap
}
})