绑定class属性
v-bind:class="{样式名称：变量}"
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<style type="text/css">
.a {
width: 200px;
height: 200px;
background-color: aliceblue;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="{a: isactive}"></div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
isactive:true
}
})
</script>
</body>
</html>
绑定多个样式
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<style type="text/css">
.a {
width: 200px;
height: 200px;
background-color: aliceblue;
}
.b {
background-color: red;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="{a: isactive,b:hasError}"></div>
<hr >
<div v-bind:class="{a: isactive,b:noError}"></div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
isactive:true,
hasError:true,
noError:false,
}
})
</script>
</body>
</html>
绑定数据里的一个对象
v-bind:class="对象名"
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<style type="text/css">
.a {
width: 200px;
height: 200px;
background-color: aliceblue;
}
.b {
width: 200px;
height: 200px;
background-color: red;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="class1"></div>
<hr >
<div v-bind:class="class2"></div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
class1:{
a:true,
b:false,
},
class2:{
a:false,
b:true,
}
}
})
</script>
</body>
</html>
绑定一个数组
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<style type="text/css">
.a {
width: 200px;
height: 200px;
background-color: aliceblue;
}
.b {
width: 200px;
height: 200px;
background-color: red;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="[c1]"></div>
<hr >
<div v-bind:class="[c1,c2]"></div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
c1:'a',
c2:'b',
}
})
</script>
</body>
</html>
通过三目运算符绑定
表达式 ？ 代码1 ：代码2
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<style type="text/css">
.a {
width: 200px;
height: 200px;
background-color: aliceblue;
}
.b {
width: 200px;
height: 200px;
background-color: red;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="m ? 'a' : '' "></div>
<hr >
<div v-bind:class="m ? 'b' : '' "></div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
m:true
}
})
</script>
</body>
</html>
style内联样式
v-bind:style="{样式1，样式2，样式3..}"
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
</head>
<body>
<div id="app">
<div>xiaowang</div>
<div style="font-size: 20px;color: red;">xiaowang</div>
<div v-bind:style="{color:'blue',fontSize:'30px'}">xiaowang</div>
<div v-bind:style="{color: Color,fontSize: Size+'px'}">xiaowang</div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
Color: 'blue',
Size:25
}
})
</script>
</body>
</html>
style绑定样式对象
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
</head>
<body>
<div id="app">
<div>xiaowang</div>
<div v-bind:style="s">xiaowang</div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
s:{
color:"blue",
fontSize:"30px"
}
}
})
</script>
</body>
</html>
style绑定样式数组
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>class属性绑定</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
</head>
<body>
<div id="app">
<div>xiaowang</div>
<div v-bind:style="[s1,s2]">xiaowang</div>
</div>
<script type="text/javascript">
new Vue({
el: '#app',
data:{
s1:{color:"blue"},
s2:{fontSize:"30px"}
}
})
</script>
</body>
</html>
