handleRoutes.js
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import { templatePreviewKeepalive, querySqlPreviewKeepalive } from '@/config'
import store from '@/store'
const getAccount = () => {
const account = store.getters['user/account']
return account
}
const ignoreField = [
'activeTab',
// 'alias',
'id',
'menuIcon',
'pkVal',
'sn',
'sysMethods',
'tabsStyle',
'tenantId',
'parentId',
]
// 需要实现keepalive的路由列表
const keepaliveRoutes = []
if (templatePreviewKeepalive) {
keepaliveRoutes.push({
alias: 'templatePreview',
name: 'TemplatePreview',
})
}
if (querySqlPreviewKeepalive) {
keepaliveRoutes.push({
alias: 'querySqlPreview',
name: 'QuerySqlPreview',
})
}
const getAllComponentsNameUnderViews = () => {
const viewsComponents = require.context('@/views', true, /\.vue$/)
const nameList = []
viewsComponents.keys().map((item) => {
const componentConfig = viewsComponents(item)
nameList.push(componentConfig.default.name)
})
return nameList
}
const getKeepaliveMenu = (route) => {
//将菜单别名首字母转成大写
const newAlias = route.alias.replace(
route.alias[0],
route.alias[0].toUpperCase()
)
if (
route.isRefresh === 0 &&
getAllComponentsNameUnderViews().includes(newAlias)
) {
keepaliveRoutes.push({ alias: route.alias, name: newAlias })
}
localStorage.setItem(
`keepalive_${getAccount()}`,
JSON.stringify(keepaliveRoutes)
)
}
// 注册的路由name可能与组件的Name不一致,需要修改route的name与组件的name保持一致才能让keepalive生效
const keepaliveTransfer = (route) => {
if (!route.alias) {
return
}
const matchRoute = keepaliveRoutes.find((r) => r.alias == route.alias)
if (matchRoute && matchRoute.name) {
route.name = matchRoute.name
}
}
// 路由对应的Component转换处理
const componentTransfer = (route) => {
if (!route.component) {
return
}
if (route.component === 'Layout') {
route.component = (resolve) => require(['@/components/layouts'], resolve)
} else if (route.component === 'EmptyLayout') {
route.component = (resolve) =>
require(['@/components/layouts/EmptyLayout'], resolve)
} else if (route.component === 'DatavLayout') {
route.component = (resolve) =>
require(['@/components/datav/DatavDesignPreview.vue'], resolve)
} else if (route.component === 'TemplateLayout') {
// 注册为keepalive的路由
templatePreviewKeepalive && registerKeepaliveRoute(route, 'TemplatePreview')
route.component = (resolve) =>
require(['@/components/dataTemplate/TemplatePreview.vue'], resolve)
} else if (route.component === 'QuerySqlLayout') {
// 注册为keepalive的路由
querySqlPreviewKeepalive && registerKeepaliveRoute(route, 'QuerySqlPreview')
route.component = (resolve) =>
require(['@/components/querySql/QuerySqlPreview.vue'], resolve)
} else if (route.component === 'indexLayout') {
route.component = (resolve) => require(['@/views/home/index'], resolve)
} else if (route.component === 'OnlineMenu') {
route.component = (resolve) => require(['@/views/OnlineMenu'], resolve)
} else if (route.component === 'MultilevelMenuLayout') {
route.component = (resolve) =>
require(['@/components/layouts/MultilevelMenuLayout'], resolve)
} else {
const index = route.component.indexOf('views')
const path =
index > 0 ? route.component.slice(index) : `views/${route.component}`
route.component = (resolve) => require([`@/${path}`], resolve)
}
}
/**
* 注册需要keepalive的路由
*/
const registerKeepaliveRoute = (route, name) => {
if (!route || !route.path) {
return
}
route.name = name
}
/**
* 后台传过来的路由需要转换
* @param {*} asyncRoutes
* @returns
*/
export function convertRouter(asyncRoutes) {
let r = asyncRoutes
let routePaths = []
for (let i = r.length - 1; i >= 0; i--) {
let route = r[i]
//获取需要缓存的菜单
getKeepaliveMenu(route)
// keepalive的路由处理
keepaliveTransfer(route)
let extend = (route.routeExtend && JSON.parse(route.routeExtend)) || {
...route,
meta: {
title: route.name,
href: route.href,
menuLevel: route.parentId && route.parentId == '3' ? 'first' : '',
isChildren: route.parentId && route.parentId == '3' ? false : true,
},
component: 'OnlineMenu',
path: `/onlineMenu/${getCurrentPath(route.path)}`,
}
!route.href && delete route.href
delete route.routeExtend
Object.keys(extend).forEach((key) => {
route[key] = extend[key]
})
ignoreField.forEach((field) => {
delete route[field]
})
//处理路由中的参数
let path = route.path
if (path.indexOf('?') !== -1) {
const paths = path.split('?')
if (paths.length > 1) {
let routerParams = {}
const params = paths[1].split('&')
if (params.length > 0) {
params.forEach((param) => {
const paraValues = param.split('=')
routerParams[paraValues[0]] = paraValues[1]
})
}
route.path = paths[0]
route.meta = { ...route.meta, ...routerParams }
}
}
if (routePaths.includes(route.path)) {
console.error(`存在相同的路由路径[${route.path}]`)
r.splice(i, 1)
} else {
routePaths.push(route.path)
}
// 路由对应的Component的转换处理
componentTransfer(route)
if (route.children && route.children.length) {
route.children = convertRouter(route.children)
}
if (route.children && route.children.length === 0) delete route.children
}
return r
}
function getCurrentPath(path) {
const onlineMenuPath = path.split('.')
return onlineMenuPath[onlineMenuPath.length - 2]
}
export const keepaliveIncludes = keepaliveRoutes.reduce((ary, cur) => {
ary.push(cur.name)
return ary
}, [])