VUE.js快速入门(vue本地应用⑦)

Vue动态组件

1.component:动态组件放的位置

2.is:绑定动态参数名称的属性和bind联合使用

3.keep-alive:保存当前改变的值

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <button @click="changeContext(1)">button1</button>
        <button @click="changeContext(2)">button2</button>
        <button @click="changeContext(3)">button3</button>
        <keep-alive>
            <component v-bind:is="nowHeader"></component>
        </keep-alive>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        var vm=new Vue({
            el:"#app",
            data:{
                nowHeader:"my-head-1"
            },
            methods:{
                changeContext:function(index){
                    this.nowHeader="my-head-"+index;
                }
            },
            components:{
                "my-head-1":{
                    template:`<div>componentOne<input type="text"/></div>`
                },
                "my-head-2":{
                    template:`<div>componentTwo<input type="text"/></div>`
                },
                "my-head-3":{
                    template:`<div>componentThree<input type="text"/></div>`
                }
            }
        });
    </script>
</body>
</html>

 

 

 

 

 

 

 

 

 

 

posted @ 2020-05-31 21:15  蔡老板2019  阅读(99)  评论(0编辑  收藏  举报