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tab切换.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>mvc</title>
<style type="text/css">
#app div {
width: 200px;
height: 200px;
background-color: blue;
display: none;
}
.active {
background-color: yellow;
}
</style>
<script type="text/javascript" src="./js/vue.js"></script>
</head>
<body>
<div id="app">
<!-- <button class="active">1</button>
<button>2</button>
<button>3</button> -->
<button v-for="(item,index) in tabList" v-bind:class="{active:index==tabIndex}" v-on:click="tab(index)">{{ index+1 }}</button>
<div v-for="(item,index) in tabList" v-bind:style="{display:index==tabIndex?'block':'none'}">{{ item.text }}</div>
<span>{{ i+""+j }}</span>
</div>
<script type="text/javascript">
// var vm=new Vue({
// el: "#app",//挂载的元素，之后的作用域
// data: {
// name: "shafee",
// items: ["A","B","C","D"],
// }
// })
// var vm=new Vue({
// el: "#app",
// data: {
// showFlag: true,
// },
// methods: {
// toggle: function(){
// vm.showFlag=!vm.showFlag;
// }
// }
// })
var vm=new Vue({
el: "#app",
data: {
i: 10,
j: 0,//j==i
},
methods: {
tab: function(index){
vm.tabIndex=index;
}
},
created(){
this.j=this.i;
}
})
</script>
</body>
</html>