lovecoding
/
W0407


			
				
					
						
						
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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>
        .colors {
            color: red;
        }
        .aa {
            font-style: italic;
        }
    </style>
</head>
<body>
    <div id="app">
        <!-- 
            内置指令： 
             v-bind => :
             v-bind:class / :class
        -->
        <!-- 对象 -->
        <h1 v-bind:class="{colors:isShow}">{{msg}}</h1>
        <!-- 数组 -->
        <h1 v-bind:class="['colors','aa']">哈哈哈哈</h1>
        <!-- 数组 + 对象 -->
        <h1 :class="['colors',{aa: isShow}]">嘿嘿</h1>
    </div>
    <script src="./vue.js"></script>
    <!-- 
    -->
    <script>
        var app = new Vue({
            el:"#app",
            data:{
                msg:"你好啊",
                isShow: true
            }
        })
    </script>
</body>
</html>