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Vue 中的Vue Router一级路由，二级路由，三级路由以及跳转

今天编写了一下Vue中的路由

先用命令行新建一个空的项目，并且我知道要用路由，就下载了路由的相关依赖

vue init webpack demo5

完毕之后进入所在的项目 cd demo5

之后用vscode打开、引入demo5的文件夹，在vscode自带的命令行中安装依赖和启动

cnpm install

cnpm run dev

之后成功启动在8080端口

要想显示导航，限准备一些vue的页面，导航，我这边希望显示在头部

那就在header中添加

先来看一下页面，之后代码同步到github上 https://github.com/JasmineQian/Vue_Sample

先说一下跳转的用法

methods: {
  goToLearnPage() {
    //跳转到上一次的页面
    //this.$router.go(-1)
 
    //指定跳转的地址
    //this.$router.replace('/learn')
 
    //指定跳转路由的名字下
    //this.$router.replace({name:'menuLink'})
 
    //通过push进行跳转
    this.$router.push("/learn");
    //this.$router.push({name:'/learn'})
  }
}

页面如下：

关于我们页面下有二级路由

捐赠方式下添加了三级路由

路由的配置

先说一下路由的作用：

vue-router 的基本作用就是将每个路径映射到对应的组件，并通过修改路由进行组件间的切换。

常规路径规则为在当前 url 路径后面加上 #!/path， path 即为设定的前端路由路径。

import Vue from 'vue'
import Router from 'vue-router'
import Home from '@/components/Home'
import Admin from '@/components/Admin'
import Login from '@/components/Login'
import Menu from '@/components/Menu'
import Register from '@/components/Register'
import About from '@/components/about/About'
 
//二级路由
import News from '@/components/about/News'
import Contact from '@/components/about/Contact'
import Donate from '@/components/about/Donate'
import Guide from '@/components/about/Guide'
 
//333级路由
import WechatDonate from '@/components/about/donate/WechatDonate'
import AlipayDonate from '@/components/about/donate/AlipayDonate'
 
Vue.use(Router)
 
export default new Router({
  routes: [
    {path: '/',component: Home},
    {path: '/menu',component: Menu},
    {path: '/admin',component: Admin},
    {path: '/about',component: About ,children :[
      {path: '/about/news',component: News},
      {path: '/about/contact',component: Contact},
      {path: '/about/donate',component: Donate,children:[
        {path: '/about/donate/wechat',component: WechatDonate},
         {path: '/about/donate/alipay',component: AlipayDonate},
         {path: '/about/donate*', redirect:'/about/donate/alipay'}
      ]},
      {path: '/about/guide',component: Guide},
      {path:'/about*',redirect:'/about/news'}
    ]
    },
    {path: '/login',component: Login},
    {path: '/register',component: Register},
    {path: '*',redirect: '/'}
 
  ]
})

路由中添加默认，用redirect重定向

router-link 指定跳转

router-view 显示

比如About中的

<template>
    <div>
        <div class="row mb-5">
            <div class="col-4">
                 <!--导航---- ad浩丰科技奥德赛-->
                <div calss="list-group mb-5">
                    <router-link tag="li" class="nav-link" to="/about/news">
                        <a class="list-group-item list-group-item-action">最新新闻</a>
                    </router-link>
                     <router-link tag="li" class="nav-link" to="/about/contact">
                        <a class="list-group-item list-group-item-action">联系方式</a>
                    </router-link>
                     <router-link tag="li" class="nav-link" to="/about/guide">
                        <a class="list-group-item list-group-item-action">文档指导</a>
                    </router-link>
                    <router-link tag="li" class="nav-link" to="/about/donate">
                        <a class="list-group-item list-group-item-action">捐赠方式</a>
                    </router-link>
                </div>
        </div>
                <div class="col-8">
                    <!--导航对应的内容-->
                    <router-view></router-view>
                </div>
        </div>
            
    </div>
</template>
 
<script>
import News from '@/components/about/News'
import Contact from '@/components/about/Contact'
import Guide from '@/components/about/Guide'
 
export default {
    components:{
    News,Contact,Guide
  }
}
</script>