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vue3.0路由自动导入的方法实例

一、前提

我们使用的是require.context方法导入,在vite创建的项目内使用会报错"require not found",所以必须用webpack创建项目。或者有大能可以说说vite怎么解决这个问题。

二、规则

我们使用的规则是,搜索src/views/路径下的所有目录和子目录,搜索文件名叫做"index.vue"的文件,使用上级目录的名字作为组件名,进行注册。结构如下:

和公共组件注册一样,我们只注册index.vue组件,其他名称的组件不进行注册。

三、导入

?

// src/router/index.ts

 

import {createRouter, createWebHashHistory, createWebHistory, RouteRecordRaw} from 'vue-router'

import store from "@/store" ;

import daxie from "@/util/upper" ;       // 引入一个方法,将字符串的首字母进行大写,我习惯将pathname首字母大写

 

// 路由自动化注册

const routerList:any = []

const requireComponent = require.context( '@/views' , true , /index.vue$/) // 找到views路径下的所有文件

const dynamic_route = requireComponent.keys().filter(fileName => {

     return true

})

// 现在文件数组是乱序的,我们首先进行排序,父级路由在前面,如果是子级路由在前面,结果父级理由还没有创建,就会报错

// console.log(dynamic_route,"排序前")

dynamic_route.sort( function (a,b):number{

     const jieguoa:any = a.split( "" ).filter((item:string)=>{

         return "/" == item

     })

     const jieguob:any = b.split( "" ).filter((item:string)=>{

         return "/" == item

     })

     if (jieguoa.length<jieguob.length){ return -1}

     if (jieguoa.length>jieguob.length){ return 1}

     return 0

})

 

// console.log(dynamic_route,"排序后")

 

 

dynamic_route.forEach(fileName => {

     const path = fileName.replace( "." , "" )

     const namelist = fileName.replace( "." , "" ).replace( "index.vue" , "" ).split( "/" ).filter((i:any) => {

         return i

     })

     // 测试配置

     const componentConfig = requireComponent(fileName)

     // 组件可以随意添加任何属性,目前添加一个canshu属性,是一个数组,里面存放着需要的动态参数

     // console.log(componentConfig.default,"组件配置2")

     // 每一层都需要手动指定,只做三层吧

     if (namelist.length == 1){

         routerList.push({

             path: "/" + namelist[namelist.length - 1],

             name: daxie(namelist[namelist.length-1]),

             component:()=>import(`views${path}`),

             children:[],

         })

     } else if (namelist.length == 2){

         routerList.forEach((item:any)=>{

             if (item.name == daxie(namelist[0])){

                 // 判断组件是否需要参数

                 const canshu = componentConfig. default .canshu || []

                 if (canshu){

                     for (let i=0;i<canshu.length;i++){

                         canshu[i] = "/:" +canshu[i]

                     }

                     item.children.push({

                         path: namelist[namelist.length-1] + canshu.join( "" ),

                         name: daxie(namelist[namelist.length-1]),

                         component:()=>import(`views${path}`),

                         children:[],

                     })

                 } else {

                     item.children.push({

                         path: namelist[namelist.length-1],

                         name: daxie(namelist[namelist.length-1]),

                         component:()=>import(`views${path}`),

                         children:[],

                     })

                 }

             }

         })

     } else if (namelist.length == 3){

         routerList.forEach((item:any)=>{

             if (item.name == daxie(namelist[0])){

                 item.children.forEach((yuansu:any)=>{

                     if (yuansu.name == daxie(namelist[1])){

                         // 判断是不是需要参数

                         const canshu = componentConfig. default .canshu || []

                         if (canshu){

                             for (let i=0;i<canshu.length;i++){

                                 canshu[i] = "/:" +canshu[i]

                             }

                             yuansu.children.push({

                                 path: namelist[namelist.length - 1]+canshu.join( "" ),

                                 name: daxie(namelist[namelist.length-1]),

                                 component:()=>import(`views${path}`),

                             })

                         } else {

                             yuansu.children.push({

                                 path: namelist[namelist.length - 1],

                                 name: daxie(namelist[namelist.length-1]),

                                 component:()=>import(`views${path}`),

                             })

                         }

                     }

                 })

             }

         })

     }

})

const routes: Array<RouteRecordRaw> = [

     {

         path: '/' ,

         name: 'Home' ,

         component: ()=>import( "@/views/shouye/shouye.vue" )

     },

     {

         path: '/about' ,

         name: 'About' ,

         component: () => import( /* webpackChunkName: "about" */ 'views/About.vue' )

     },

     ...routerList,

     {

         path: '/404' ,

         name: '404' ,

         component: () => import( '@/views/404.vue' )

     },

     {

         path: '/:pathMatch(.*)' ,

         redirect: '/404'

     },

]

// 注意顺序,根据最新的路由匹配规则,404页面必须在最后,

console.log(routes, "查看路由表内容" )

 

const router = createRouter({

     history: createWebHistory(),

     // history: createWebHashHistory(),

     routes

})

 

export default router

这样,只需要根据规则创建组件,就会被自动注册到路由里面。免去手动注册的繁琐操作。

总结

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原文链接:https://blog.csdn.net/qq_43656607/article/details/115488076

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