这篇文章主要介绍了关于vue如何解决addRoutes动态添加路由后刷新失效的问题,有着一定的参考价值,现在分享给大家,有需要的朋友可以参考一下
前言
github:https://github.com/Mrblackant...
在线查看:http://an888.net/router/keepR...
思路
代码
1.按钮点击,保存路由并跳转
//router/index.js export const constantRouterMap=[ { path: '/', // name: 'HelloWorld', component: HelloWorld } ] Vue.use(Router) export default new Router({ routes: constantRouterMap })
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//点击跳转 <template> <p> 点击新增 动态路由: "secondRouter" <br/> <el-button @click="srouter" type="primary">新增动态路由</el-button> </p> </template> <script> import router from 'vue-router' import {constantRouterMap} from '@/router' export default { name: 'kk', mounted(){ }, data () { return { msg: 'Welcome to Your Vue.js App' } }, methods:{ srouter(){ let newRoutes=constantRouterMap.concat([{path:'/secondRouter', component :resolve => require(["@/components/kk"], resolve ) }]) this.$router.addRoutes(newRoutes) this.$router.push({path:'/secondRouter'}) } } } </script> //跳转过去的component组件,xxx.vue <template> <p class="secondRoute"> 恭喜你,动态添加路由成功,浏览器的链接已经变化; <h3>无论你怎么刷新我都会留在当前页面</h3> <h3>并且点击浏览器回退键,我会跳到之前页面,不会循环</h3> </p> </template> <script> import router2 from '@/router' import router from 'vue-router' export default { name: 'HelloWorld', mounted(){ localStorage.setItem('new',JSON.stringify({'path':'/secondRouter','component':'kk'}))//保存路由 }, data () { return { msg: 'Welcome to Your Vue.js App' } }, methods:{ } } </script>
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2.路由拦截beforeEach
import router from './router' import { constantRouterMap } from '@/router' //router里的固定路由 router.beforeEach((to, from, next) => { if (localStorage.getItem('new')) { var c = JSON.parse(localStorage.getItem('new')), lastUrl=getLastUrl(window.location.href,'/'); if (c.path==lastUrl) { //动态路由页面的刷新事件 let newRoutes = constantRouterMap.concat([{ path: c.path, component: resolve => require(["@/components/" + c.component + ""], resolve) }]) localStorage.removeItem('new') router.addRoutes(newRoutes) router.replace(c.path) //replace,保证浏览器回退的时候能直接返回到上个页面,不会叠加 } } next() }) var getLastUrl=(str,yourStr)=>str.slice(str.lastIndexOf(yourStr))//取到浏览器出现网址的最后"/"出现的后边的字符
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ps:一开始我还以为匹配不到路由跳转404要在拦截这里处理,后来发现根本不用,直接在注册路由的时候加上下边两段就行了:
export const constantRouterMap = [{ path: '/', component: HelloWorld }, {//404 path: '/404', component: ErrPage }, { //重定向到404 path: '*', redirect: '/404' } ]
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整体的思路大概就是这样,主要就是利用了beforeEach拦截+localStorage的数据存储,就能完成,addRoutes动态添加路由刷新不失效功能。
不足的地方还请大家多多指正
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