获取p标签元素
当获取元素或者组件的DOM时候，用ref=”名称”定义，用his.$refs.名称 来调用
<p ref="getDom">{{msg}}</p>
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new Vue({
el:'#app',
data:{
msg:'sdfdfdf'
},
methods: {
getparament(){
console.log(this.$refs.getDom.innerText);
}
}
});
案例代码
<!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>Document</title>
<!--//导入js包-->
<script src="js/vue.js"></script>
<!-- Bootstrap -->
<link href="./bootstrap/dist/css/bootstrap.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/vue-resource@1.5.1"></script>
<link href="./css/Animate.css" rel="stylesheet">
</head>
<body>
<div id="app">
<p ref="getDom">{{msg}}</p>
<input type="button" value="得到DOM" @click="getparament">
</div>
<script>
new Vue({
el:'#app',
data:{
msg:'sdfdfdf'
},
methods: {
getparament(){
console.log(this.$refs.getDom.innerText);
}
}
});
</script>
</body>
</html>
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