1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vue</title>
</head>
<body>
<div id="root">
<div>{{mes}}--{{age}}</div>
<ul v-show="flag" > <!-- v-show表示display属性表示控件是否显示-->
<div>v-for遍历数组元素</div>
<li v-for="(v,i) in lists">{{ v }}--{{ i }}</li>
<div>遍历k vue</div>
<li v-for="(v,key) in arr">{{ v }}--{{ key }}</li>
<div>遍历数组列表元素</div>
<li v-for="(v,i) in arrlist">{{ v }}--{{ i }}</li>
<li v-for="(v,i) in arrlist">{{ v.name }}--{{ v.id }}</li>
</ul>
<button v-on:click="clike2">点击2</button><!--点击按钮2 age=25 flag=true（控件显示）显示呜呜呜-->
<button v-on:click="clike1">点击1</button><!--点击按钮1 age=21 flag=false（控件消失） 显示哈哈哈-->
<p v-if="age==19">嘿嘿嘿</p>
<p v-else-if="age==21">哈哈哈</p>
<p v-else>呜呜呜</p>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script type="text/javascript">
//实例化一个Vue对象
new Vue({
el: "#root",
data:{
mes:"hello", //显示内容
flag:true,
age:19,//初始化年龄为19
lists: ['Jake','Boy','Alies'],
arr:{name:"aa",id:0001,name:"bb",id:0002},
arrlist:[{name:"cccc",id:00003},{name:"dddd",id:00005},{name:"ffff",id:00004}]
},
methods:{
clike1:function () {
this.age=21;
this.mes="看我";
this.flag=false;
/* body... */
},
clike2:function(){
this.mes="再看我";
this.flag=true;
this.age=25;
}
}
});
</script>
</html>
|
