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写在前面
每次重复写路由的时候是不是会觉得很烦,特别是项目大的时候,路由会有特别多,看都看不过来,所以这里我是有了一个router.json的配置文件来对路由做一些简单的配置,然后让路由和左侧菜单栏可以同时生成。
router.json
主要配置项如下:
{ "name": "routerConfig", "menu": [{ "id": "1", //路由id,不能重复 "name": "home",//路由名字 "path": "/homePage",//路由路径 "label": "首页",//菜单标题 "selected": true,//默认选中 "icon": "el-icon-monitor",//菜单显示图标 "open": true,//默认打开 "component": "homePage/homePage.vue",//组件路由 "children": [ //子菜单 { "id": "3", "name": "getCover", "path": "/getCover", "label": "封面截取", "selected": false, "icon": "el-icon-scissors", "open": false, "component": "getCover/getCover.vue", "children": [] } ] },{ "id": "2", "name": "testPage", "path": "/testPage", "label": "测试", "selected": false, "icon": "el-icon-setting", "open": false, "component": "test/test.vue", "children": [] },{ "id": "5", "name": "testMenu", "path": "/testMenu", "label": "菜单测试", "selected": false, "icon": "el-icon-setting", "open": false, "component": "testMenu/testMenu.vue", "children": [] }] }
配置主要分为两部分,一部分由于菜单生成,一部分用于路由生成,当然两者也有共用的部分
路由生成
import Vue from 'vue' import VueRouter from 'vue-router' import ro from "element-ui/src/locale/lang/ro"; Vue.use(VueRouter) //引入配置文件router.json let routerMenu = require('@/config/router.json'); routerMenu = routerMenu.menu; let menu = []; //配置路由 let formatRoute = function (routerMenu,menu){ for(let i = 0; i < routerMenu.length; i++){ let temp = { path: routerMenu[i].path, name: routerMenu[i].name, //这块要注意 //用require这种方式引入的时候,会将你的component分别打包成不同 //的js,加载的时候也是按需加载,只用访问这个路由网址时才会加载 //这个js component: resolve => require([`@/views/${routerMenu[i].component}`], resolve) }; menu.push(temp); if(routerMenu[i].children && routerMenu[i].children.length > 0){ //递归生成子菜单的路由 formatRoute(routerMenu[i].children,menu); } } } //初始化 formatRoute(routerMenu,menu); //重定向设置 const routes = [ { path: '/', redirect: '/homePage' }, ] //将生成的路由文件push进去 for(let i = 0; i < menu.length; i++) routes.push(menu[i]); const router = new VueRouter({ routes }) export default router
菜单生成
<template> <div id="leftMenu"> </div> </template> <script> export default { name: "left", data(){ return{ menu:[] } }, methods:{ //通过路由id来找节点 findNodeById(node,id){ for(let i = 0; i < node.length; i++){ if(id == node[i].id){ node[i].selected = true; if(node[i].children && node[i].children.length > 0){ this.findNodeById(node[i].children,id); } node[i].open = !node[i].open; if(this.$route.path !== node[i].path) this.$router.push(node[i].path); }else{ node[i].selected = false; if(node[i].children && node[i].children.length > 0){ this.findNodeById(node[i].children,id); }else{ } } } }, //选中菜单节点 chooseNode(id){ this.findNodeById(this.menu,id); let domTree = this.generatorMenu(this.menu,'',0) let leftMenu = document.getElementById('leftMenu'); leftMenu.innerHTML = domTree; }, //动态生成菜单目录 generatorMenu(menu,temp,floor){ for(let i = 0; i < menu.length; i++){ temp += `<div style="width: max-content"> <div class="menuOption" οnclick="chooseNode(${menu[i].id})" style="text-indent: ${floor}em; background-color: ${menu[i].selected?'aquamarine':''}; cursor: pointer; margin-top: 0.3rem;> <i class="${menu[i].icon}"></i> ${menu[i].label}` if(!menu[i].open && menu[i].children && menu[i].children.length > 0){ temp += `<i style="margin-left: 1rem" class="el-icon-arrow-down"></i>` }else{ if(menu[i].open && menu[i].children && menu[i].children.length > 0){ temp += `<i style="margin-left: 1rem" class="el-icon-arrow-up"></i>` } } temp += `</div>` if(menu[i].open && menu[i].children && menu[i].children.length != 0){ temp = this.generatorMenu(menu[i].children,temp,floor+1); } temp += `</div>` } return temp; } }, created() { }, mounted() { window.chooseNode = this.chooseNode; let menu = []; //获取路由菜单配置文件 const router = require('@/config/router.json'); menu = router.menu; this.menu = menu; let domTree = this.generatorMenu(menu,'',0) let leftMenu = document.getElementById('leftMenu'); leftMenu.innerHTML = domTree; } } </script> <style scoped> #leftMenu{ min-height: calc(100vh - 44px - 1rem); background-color: cornflowerblue; text-align: left; padding: 0.5rem 1rem; font-size: large; font-weight: bold; } .selectedM{ background-color: aquamarine; } .menuOption{ cursor: pointer; } </style>
效果
左侧菜单便是自动生成的,点击菜单栏也会跳转到对应的路由地址,当然,样式有点丑,但样式的话可以自己后续再调整。
这样的话,我们新加菜单的时候只需要在配置文件中配置好,就可以直接写编写页面,这样也给我们省下了很多时间。
总结
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