分支循环结构
分支结构
v-show的原理：控制元素样式是否显示 display:none
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div id="app">
<div v-if='score>=90'>优秀</div>
<div v-else-if='score<90&&score>=80'>良好</div>
<div v-else-if='score<80&&score>60'>一般</div>
<div v-else>比较差</div>
<div v-show='flag'>测试v-show</div>
<button v-on:click='handle'>点击</button>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
var vm = new Vue({
el: '#app',
data: {
score: 90,
flag: false
},
methods: {
handle: function(){
this.flag = !this.flag;
}
}
});
</script>
</body>
</html>
分支循环结构
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div id="app">
<div>水果列表</div>
<ul>
<li v-for='item in fruits'>{{item}}</li> <hr>
<li v-for='(item, index) in fruits'>{{item + '---' + index}}</li> <hr>
<li :key='item.id' v-for='(item, index) in myFruits'>
<span>{{item.ename}}</span>
<span>-----</span>
<span>{{item.cname}}</span>
</li>
</ul>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
/*
循环结构-遍历数组
*/
var vm = new Vue({
el: '#app',
data: {
fruits: ['apple', 'orange', 'banana'],
myFruits: [{
id: 1,
ename: 'apple',
cname: '苹果'
},{
id: 2,
ename: 'orange',
cname: '橘子'
},{
id: 3,
ename: 'banana',
cname: '香蕉'
}]
}
});
</script>
</body>
</html>
使用原生js遍历对象
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div id="app">
<div v-if="v=='female'" v-for='(v,k,i) in obj'>{{k + '---' + v + '---' + i}}</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
/*
循环结构
*/
var vm = new Vue({
el: '#app',
data: {
obj: {
uname: 'zhangsan',
age: 13,
gender: 'female'
}
}
});
</script>
</body>
</html>
