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@@ -0,0 +1,49 @@
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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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+ .active {
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+ color: #f00;
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+ }
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+ .bold {
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+ font-weight: bold;
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+ }
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+ .size {
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+ font-size: 30px;
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+ }
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+ .color {
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+ color: aqua;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <!--
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+ 样式绑定：
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+ 内置指令：v-bind 简写=> :
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+ class / style
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+ 格式： v-bind:class='样式' / :class="样式"
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+
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+ -->
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+ <div id="app">
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+ <!-- 对象 -->
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+ <div :class="{active:isActive}">内容2</div>
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+ <div v-bind:class="{active:isActive,size:true}">内容1</div>
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+ <!-- 数组 class样式不是覆盖 是合并 -->
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+ <div :class="['active','bold','size']">你真棒</div>
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+ <!-- 对象 + 数组 -->
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+ <div :class="[{color:true},'bold']">混合写法</div>
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+ </div>
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+ <script src="./vue.js"></script>
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+ <script>
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+ var app = new Vue({
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+ el:"#app",
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+ data:{
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+ isActive: true
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+ }
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+ })
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+ </script>
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+</body>
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+</html>
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