6 动态绑定属性
2020-08-31 本文已影响0人
滔滔逐浪
v-bind基本用法
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-bind基本用法</title>
</head>
<body>
<div id="app">
<h2> {{message}}</h2>
<!-- <img v-bind:src="imgurl" alt=""></img>
<a v-bind:href="aHref">百度</a>-->
<!--语法糖-->
<img :src="imgurl" alt=""></img>
<a :href="aHref">百度</a>
</div>
<script src="../js/vue.js"></script>
<script>
const app=new Vue({
el:"#app",
data:{
message: "你好",
imgurl:"https://ss1.bdstatic.com/70cFvXSh_Q1YnxGkpoWK1HF6hhy/it/u=3544375238,114231233&fm=26&gp=0.jpg",
aHref:"http://www.baidu.com"
}
})
</script>
</body>
</html>
v-bind 绑定style
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-bind数组语法</title>
</head>
<body>
<div id="app">
<h2 :style="[baseStyle,baseSize]"> {{message}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
const app=new Vue({
el:"#app",
data:{
message: "你好",
baseStyle: {backgroundColor: 'red'},
baseSize: {fontSize: '100px'},
}
})
</script>
</body>
</html>
动态绑定class对象语法
···
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>动态绑定class对象语法</title>
</head>
<style>
.active{
color: red;
}
</style>
<body>
<div id="app">
<h2 v-bind:class="{active: isActive,line:isLine}">{{message}}</h2>
<button v-on:click="btnClick">按钮</button>
</div>
<script src="../js/vue.js"></script>
<script>
const app=new Vue({
el:"#app",
data:{
message: "你好",
active: 'active',
isActive: false,
isLine: true
},
methods:{
btnClick:function (){
this.isActive=!this.isActive
}
}
})
</script>
</body>
</html>
···
v-bind动态绑定classs数组语法
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-bind动态绑定classs数组语法</title>
</head>
<body>
<div id="app">
<h2 class="title" :class="[active,line]"> {{message}}</h2>
<h2 class="getClasses()"> {{message}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
const app = new Vue({
el: "#app",
data: {
message: "你好",
active: 'aaaa',
line: 'bbbb'
},
methods: {
getClasses: function () {
return [this.active,this.line]
}
}
})
</script>
</body>
</html>
image.png
v-bind动态属性绑定
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-bind动态属性绑定</title>
</head>
<body>
<div id="app">
<!-- <h2 :style="{key(属性名):value(属性值)}"> {{message}}</h2>-->
<!-- <h2 :style="{fontSize: '50px'}"> {{message}}</h2>-->
<h2 :style="{fontSize: finalSize,backgroundColor:finalColor}"> {{message}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
const app=new Vue({
el:"#app",
data:{
message: "你好",
finalSize: '100px',
finalColor: 'red'
}
})
</script>
</body>
</html>
动态绑定数组语法
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>动态绑定数组语法</title>
</head>
<body>
<div id="app">
<h2 :style="[baseStyle,baseStyle1]"> {{message}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
const app=new Vue({
el:"#app",
data:{
message: "你好",
baseStyle:{backgroundColor:'red'},
baseStyle1: {fontSize:'60px'}
}
})
</script>
</body>
</html>
