You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html lang="en">
|
|
|
|
|
<head>
|
|
|
|
|
<meta charset="UTF-8">
|
|
|
|
|
<title>样式绑定</title>
|
|
|
|
|
<style>
|
|
|
|
|
.basic {
|
|
|
|
|
width: 400px;
|
|
|
|
|
height: 100px;
|
|
|
|
|
border: 1px solid black;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.happy {
|
|
|
|
|
background-color: bisque;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.sad {
|
|
|
|
|
background-color: blue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.normal {
|
|
|
|
|
background-color: orange;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.test1 {
|
|
|
|
|
background-color: blueviolet;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.test2 {
|
|
|
|
|
border-color: brown;
|
|
|
|
|
border-width: medium;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.test3 {
|
|
|
|
|
border-radius: 20px;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
<script type="text/javascript" src="../vue.js"></script>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
|
|
|
|
|
</body>
|
|
|
|
|
<div id="root">
|
|
|
|
|
<div class="basic" :class="style" @click="changeStyle">{{name}}</div>
|
|
|
|
|
<div class="basic" :class="classArr">{{name}}</div>
|
|
|
|
|
<div class="basic" :class="classObj">{{name}}</div>
|
|
|
|
|
<div class="basic" :style="styleObj">{{name}}</div>
|
|
|
|
|
<div class="basic" :style="styleArr">{{name}}</div>
|
|
|
|
|
</div>
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
Vue.config.productionTip = false
|
|
|
|
|
const vm = new Vue({
|
|
|
|
|
el: "#root",
|
|
|
|
|
data: {
|
|
|
|
|
name: '测试',
|
|
|
|
|
style: "normal",
|
|
|
|
|
classArr: ["test1", "test2", "test3"],
|
|
|
|
|
classObj: {
|
|
|
|
|
test1: true,
|
|
|
|
|
test2: true
|
|
|
|
|
},
|
|
|
|
|
styleObj: {
|
|
|
|
|
fontSize: '40px'
|
|
|
|
|
},
|
|
|
|
|
styleObj2: {
|
|
|
|
|
color: 'red'
|
|
|
|
|
},
|
|
|
|
|
styleArr: [{
|
|
|
|
|
fontSize: '40px'
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
color: 'red'
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
},
|
|
|
|
|
methods: {
|
|
|
|
|
changeStyle() {
|
|
|
|
|
// this.style = "happy"
|
|
|
|
|
const arr = ['happy', 'sad', 'normal']
|
|
|
|
|
const index = Math.floor(Math.random() * 3)
|
|
|
|
|
this.style = arr[index]
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
</script>
|
|
|
|
|
</html>
|
