Vue3中路由配置Catch all routes (“*“) must .....问题

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Vue3中路由配置Catch all routes (“*”) must …问题

1. 业务场景描述

1. 加载并添加异步路由场景

从vue2项目转换为Vue3项目时，路由导航守卫中加载后端返回的动态路由，并配置未识别的路由自动跳转指定错误页面(如404页面)时，出现了ue-router.mjs:1321 Uncaught (in promise) Error: Catch all routes ("*") must now be defined using a param with a custom regexp 的问题

2. vue2中加载并添加异步路由(OK)

Vue2中路由导航守卫中加载动态路由案例代码如下

let asyncRouter = []
// 路由导航守卫中，加载动态路由
router.beforeEach((to, from, next) => {if (whiteList.indexOf(to.path) !== -1) {next()} else {const token = tokenStore.get('token')if (token) {dbApi.getRouter({}).then((response) => {const res = response.dataasyncRouter = res.dataasyncRouter.push({       component: "error/404",name: "404",path: "*" //问题主要出现在这里});store.commit('setRouters', asyncRouter)goTo(to, next,asyncRouter)})} else {if (to.path === '/') {next()}}}
})router.afterEach(() => {//....
})function goTo(to, next,asyncRouter) {router.addRoutes(asyncRouter) //注意这里时Vue2中添加路由的方法，与Vue3有所区别next({...to, replace: true})
}

3. 转vue3后不好使(Error)

1. 代码

let asyncRouter = []
// 路由导航守卫中，加载动态路由
router.beforeEach((to, from, next) => {if (whiteList.indexOf(to.path) !== -1) {next()} else {const accountStore = useAccountStore();const token = accountStore.tokenif (token) {dbApi.getRouter({}).then((response) => {const res = response.dataasyncRouter = res.dataasyncRouter.push({       component: "error/404",name: "404",path: "*" //问题主要出现在这里});store.commit('setRouters', asyncRouter)goTo(to, next,asyncRouter)})} else {if (to.path === '/') {next()}}}
})router.afterEach(() => {//....
})function goTo(to, next,asyncRouter) {asyncRouter.forEach((route) => {     router.addRoute(route) //注意这里vue3添加路由方式，与Vue2有所区别})next({...to, replace: true})
}

2. 错误

详细信息如下

vue-router.mjs:1321  Uncaught (in promise) Error: Catch all routes ("*") must now be defined using a param with a custom regexp.
See more at https://next.router.vuejs.org/guide/migration/#removed-star-or-catch-all-routes.at Object.addRoute (vue-router.mjs:1321:23)at Object.addRoute (vue-router.mjs:2986:24)at index.ts:119:16at Array.forEach (<anonymous>)at go (index.ts:117:17)at index.ts:93:25

2. 处理方式

未识别的路由自动跳转指定错误页面(如404页面)时，将路由中的path配置{ path: "*"}改为{path: "/:catchAll(.*)"}即可

1. 修改前

 asyncRouter.push({       component: "error/404",name: "404",path: "*"});

2. 修改后

 asyncRouter.push({       component: "error/404",name: "404",path: "/:catchAll(.*)"});

3. vue3中完整代码案例

let asyncRouter = []
// 路由导航守卫中，加载动态路由
router.beforeEach((to, from, next) => {if (whiteList.indexOf(to.path) !== -1) {next()} else {const accountStore = useAccountStore();const token = accountStore.tokenif (token) {dbApi.getRouter({}).then((response) => {const res = response.dataasyncRouter = res.dataasyncRouter.push({       component: "error/404",name: "404",path: "/:catchAll(.*)"});store.commit('setRouters', asyncRouter)goTo(to, next,asyncRouter)})} else {if (to.path === '/') {next()}}}
})router.afterEach(() => {//....
})function goTo(to, next,asyncRouter) {asyncRouter.forEach((route) => {     router.addRoute(route) //注意这里是vue3添加路由方式，与Vue2有所区别})next({...to, replace: true})
}

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