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11demo.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>vue 11demo</title>
<script type="text/javascript" src="./js/vue.js"></script>
<script type="text/javascript" src="./js/vuex.js"></script>
</head>
<body>
<div id="app">
<button @click="changeComponent(1)">第一项</button>
<button @click="changeComponent(2)">第二项</button>
<button @click="changeComponent(3)">第三项</button>
<!-- <component :is="componentId"></component> -->
<keep-alive>
<component :is="nowHeader"></component>
</keep-alive>
</div>
<script>
var vm = new Vue({
el: "#app",
data: {
nowHeader: "my-header-1"
},
components: {
"my-header-1": {
template: `<div>组件1 <input type="text"></div>`,
},
"my-header-2": {
template: `<div>组件2 <input type="text"></div>`,
},
"my-header-3": {
template: `<div>组件3 <input type="text"></div>`,
},
},
methods: {
changeComponent: function(index) {
this.nowHeader = "my-header-" + index;
}
},
})
/*
Vue 动态组件
component
is
keep-alive 可用于保存之前input输入值操作值
*/
</script>
</body>
</html>