lovecoding
/
VIP32


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .active {
            color: #f00;
        }
        .bold {
            font-weight: bold;
        }
        .size {
            font-size: 30px;
        }
        .color {
            color: aqua;
        }
    </style>
</head>
<body>
    <!-- 
        样式绑定：
            内置指令：v-bind 简写=> :
            class / style
            格式： v-bind:class='样式' / :class="样式"
            
     -->
    <div id="app">
        <!-- 对象 -->
        <div :class="{active:isActive}">内容2</div>
        <div v-bind:class="{active:isActive,size:true}">内容1</div>
        <!-- 数组 class样式不是覆盖 是合并 -->
        <div :class="['active','bold','size']">你真棒</div>
        <!-- 对象 + 数组 -->
        <div :class="[{color:true},'bold']">混合写法</div>
    </div>
    <script src="./vue.js"></script>
    <script>
        var app = new Vue({
            el:"#app",
            data:{
                isActive: true
            }
        })
    </script>
</body>
</html>