94 lines
2.6 KiB
HTML
94 lines
2.6 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<style>
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.basic {
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width: 400px;
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height: 100px;
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border: 1px solid black;
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}
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.normal {
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background-color: skyblue;
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}
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.happy {
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background-color: red;
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}
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.sad {
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background-color: green;
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}
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.zhangjun1 {
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background-color: orange;
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}
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.zhangjun2 {
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border-radius: 10px;
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}
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.zhangjun3 {
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font-size: 40px;
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}
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</style>
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<script type="text/javascript" src="../js/vue.js"></script>
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</head>
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<body>
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<div id="root">
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<!-- 绑定class样式:字符串写法,适用于样式的类名不确定,需要动态指定 -->
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<div class="basic" :class="mood" @click="changeMood">{{name}}</div><br><br>
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<!-- 绑定class样式:数组写法,适用于要绑定的样式个数不确定、名字也不确定 -->
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<div class="basic" :class="classArr">{{name}}</div><br><br>
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<!-- 绑定class样式:对象写法,适用于要绑定的样式个数确定、名字确定, 但要动态决定用不用 -->
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<div class="basic" :class="classObj">{{name}}</div><br><br>
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<!-- 绑定style(内联)样式:对象写法 -->
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<div class="basic" :style="styleObj">{{name}}</div><br><br>
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<!-- 绑定style(内联)样式:对象写法 -->
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<div class="basic" :style="styleArr">{{name}}</div>
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</div>
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</body>
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<script type="text/javascript">
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Vue.config.productionTip = false
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new Vue({
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el:'#root',
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data:{
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name:'请叫我张钧',
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mood:'normal',
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classArr:['zhangjun1','zhangjun2','zhangjun3'],
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classObj:{
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zhangjun1:false,
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zhangjun2:true
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},
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styleObj:{
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color:'red',
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fontSize:'30px' // 在配置对象中,key:value的形式中,key中不能出现"-", 要将"-"后的单词首字母大写,写成大驼峰的形式
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},
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styleArr:[
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{
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color:'red',
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fontSize:'30px'
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},
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{
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backgroundColor:'red'
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}
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]
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},
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methods: {
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changeMood(){
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const arr = ['happy','sad','normal'] // 创建一个数据
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const index = Math.floor(Math.random()*3)
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this.mood = arr[index]
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}
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},
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})
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</script>
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</html>
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