02.Vue常用指令
# 01.插值 {{}}
<!DOCTYPE html>
<html lang="en">
<body>
<div id="itany">
{{msg}} <!-- 两对大括号{{}}称为模板,用来进行数据的绑定显示在页面中 -->
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
window.onload=function(){
var vm=new Vue({
el:'#itany', //指定关联的元素
data:{ //存储数据
msg:'Hello World'
}
});
}
</script>
</html>
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# 02.v-model
<!DOCTYPE html>
<html lang="en">
<body>
<div id="itany">
<input v-model="msg">
<p>{{msg}}</p>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
window.onload=function(){
var vm=new Vue({
el:'#itany', //指定关联的元素
data:{ //存储数据
type:'Hello World'
}
});
}
</script>
</html>
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# 03.v-if
<!DOCTYPE html>
<html lang="en">
<body>
<div id="itany">
<div v-if="type === 'A'">
A
</div>
<div v-else-if="type === 'B'">
B
</div>
<div v-else-if="type === 'C'">
C
</div>
<div v-else>
Not A/B/C
</div>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
window.onload=function(){
var vm=new Vue({
el:'#itany', //指定关联的元素
data:{ //存储数据
type: "A"
}
});
}
</script>
</html>
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# 04.v-show
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
</head>
<body>
<div id="itany">
<div v-show="true">v-show为真</div>
<div v-show="false">v-show为假</div>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
window.onload=function(){
var vm=new Vue({
el:'#itany', //指定关联的元素
data:{ //存储数据
type: "A"
}
});
}
</script>
</html>
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# 05.v-for
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
</head>
<body>
<div id="itany">
<ul id="example-1">
<li v-for="(item, index) in lst">
{{ item}}--{{index}}
</li>
</ul>
<ul id="example-2">
<li v-for="(item, index) in dic">
{{ item.name }}--{{ item.age }}---{{ index }}
</li>
</ul>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
window.onload=function(){
var vm=new Vue({
el:'#itany', //指定关联的元素
data:{ //存储数据
lst: ["A","B","C"],
dic: [
{name: "zhangsan",age: 18},
{name: "lisi",age: 20},
],
}
});
}
</script>
</html>
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上次更新: 2024/3/13 15:35:10