v-bind
是处理HTML中的标签属性 例如src就是一个图片标签
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>v-bind实例标签属性</title>
<script src="../assets/js/vue.js"></script>
<style>
.classA{
color: red;
}
.classB{
font-size: 200%;
}
.classE{
background-color: red;
}
.classF{
font-size: 25px;
}
</style>
</head>
<body>
<h1>v-bind实例标签属性</h1>
<hr>
<div id="app">
<!-- 例如src 就是标签属性 -->
<p><img v-bind:src="imgSrc" width="200px" height="200px" alt="1"></p>
<p><a :href="liangjie">百度</a></p>
<hr>
<div :class="className">1.绑定classA</div>
<div :class={classA:isOk}>2.绑定class中的判断</div>
<div :class="[classC,classD]"> 3.绑定class中的数组</div>
<div :class="isOk?'classA':'classB'">4.绑定class三元运算符</div>
<!-- 绑定三元运算符类名要单独加引号 -->
<hr>
<div>
<input type="checkbox" id="isOk" v-model="isOk">
<label for="isOk">isOk={isOk}</label>
</div>
<hr>
<div :style="{color:red,fontSize:font}">5.绑定style</div>
<div :style="styleObject">6.绑定style对象</div>
</div>
<script typt="text/javascript">
var app = new Vue({
el:"#app",
data:{
imgSrc:'../img/0.jpg',
liangjie:"https://www.baidu.com/?tn=62095104_10_oem_dg",
className:"classA",
isOk:true,
classC:'classE',
classD:'classF',
red:"red",
font:"22px",
styleObject:{
color:'pink',
fontSize:'25px',
}
}
})
</script>
</body>
</html>