• [vue]模拟移动端三级路由: router-link位置体现router的灵活性


    小结

    router-link可以随便放

    router-view显示的是父组件的直接子组件的内容

    想研究下移动三级路由的逻辑, 即 router-link和router-view


    点首页--点新闻资讯(新闻资讯列表)--点某一条新闻--新闻详情

    有点迷糊了. 为何router可以这样.

    简单模拟效果

    app01
        home
            wenxue
            lishi
        about
    
    app01
        home
        wenxue
        lishi
        about
    

    点首页显示app01的内容

    点home显示home组件的内容(追加: 因为home是app01的子组件)

    点文学 发现home组件没了, 转而代之的是webxue组件直接挂到了app01下(发现不是追加了)

    这里有点想不明白.

    什么情况会更替组件(router-view)内容? 地位相等

    app01
        home
        about
    

    点home显示home组件

    点about显示about组件

    因此我想到 他们的地位相等

    router不是

    home:
      app01
        app001
        app002
      app02
    

    而是

    home:
      app01
      app001
      app002
      app02
    

    挂靠4个同等地位的组件到home根组件下

    可以这样写(给人误感觉是子组件的关系)

        let routes = [
            {path: '/app01', component: app01},
            {path: '/app01/app001', component: app001},
            {path: '/app01/app001', component: app002},
            {path: '/app02', component: app02},
        ];
    

    本质和这样写没区别

        let routes = [
            {path: '/app01', component: app01},
            {path: '/z1', component: app001},
            {path: '/z2', component: app002},
            {path: '/app02', component: app02},
        ];
    

    router-link可以随便放, router-view只能放在自己的根上

    home
      app01
      app02
    
      router-view必须放在home上(即它们是home的子组件)
    
    home
      app01
      app001
      app001
      app02
    
      router-view必须放在home上(即它们是home的子组件)
    

    router-link体现了router的灵活性,可以随便放

    demo代码

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>三级路由</title>
    </head>
    <body>
    <div id="app">
    
    </div>
    
    <template id="home">
        <div>
            <router-link to="/app01">app01</router-link>
            <router-link to="/app02">app02</router-link>
            <router-view></router-view>
        </div>
    </template>
    
    <template id="app01">
        <div>
            <h1>app01</h1>
            <router-link to="/z1">app001</router-link>
            <router-link to="/z2">app002</router-link>
    
        </div>
    </template>
    
    <template id="app001">
        <div>app001</div>
    </template>
    
    <template id="app002">
        <div>app002</div>
    </template>
    
    
    <template id="app02">
        <div>app02</div>
    </template>
    
    <script src="node_modules/vue/dist/vue.js"></script>
    <script src="node_modules/vue-router/dist/vue-router.js"></script>
    <script>
        let home = {
            name: "home",
            template: '#home'
        };
        let app01 = {
            name: "app01",
            template: '#app01'
        };
        let app02 = {
            name: "app02",
            template: '#app02'
        };
    
        let app001 = {
            name: "app001",
            template: '#app001'
        };
    
        let app002 = {
            name: "app002",
            template: '#app002'
        };
    
        let routes = [
            {path: '/app01', component: app01},
            {path: '/z1', component: app001},
            {path: '/z2', component: app002},
            {path: '/app02', component: app02},
        ];
    
        let router = new VueRouter({
            routes
        });
        let vm = new Vue({
            el: '#app',
            render: c => c(home),
            router
        })
    </script>
    </body>
    </html>
    
    
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  • 原文地址:https://www.cnblogs.com/iiiiiher/p/9977546.html
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