一.
<body>
<div id="app">
<div v-bind:class="{ active: isActive }"></div>
</div>
<script>
new Vue({
el: '#app',
data: {
isActive: true
}
})
</script>
二.
<div id="app">
<div class="static"
v-bind:class="{ active: isActive, 'text-danger': hasError }">
</div>
</div>
<script>
new Vue({
el: '#app',
data: {
isActive: true,
hasError: true
}
})
三.
<style>
.active {
100px;
height: 100px;
background: green;
}
.text-danger {
background: red;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="classObject"></div>
</div>
<script>
new Vue({
el: '#app',
data: {
classObject: {
active: true,
'text-danger': true
}
}
})
四.
<style>
.active {
100px;
height: 100px;
background: green;
}
.text-danger {
background: red;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="[activeClass, errorClass]"></div>
</div>
<script>
new Vue({
el: '#app',
data: {
activeClass: 'active',
errorClass: 'text-danger'
}
})
</script>
五.
<style>
.text-danger {
100px;
height: 100px;
background: red;
}
.active {
100px;
height: 100px;
background: green;
}
</style>
</head>
<body>
<div id="app">
<div v-bind:class="[errorClass ,isActive ? activeClass : '']"></div>
</div>
<script>
new Vue({
el: '#app',
data: {
isActive: true,
activeClass: 'active',
errorClass: 'text-danger'
}
})
</script>
六. style内联样式
<div id="app">
<div v-bind:style="{ color: activeColor, fontSize: fontSize + 'px' }">菜鸟教程</div>
</div>
<script>
new Vue({
el: '#app',
data: {
activeColor: 'green',
fontSize: 30
}
})