案例：ionic案例     状态：可编辑再运行    进入竖版
 运行结果　
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<html ng-app="ionicApp">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, width=device-width">
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<title>W3xue教程(w3xue.com)</title>
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<link href="https://cdn.bootcss.com/ionic/1.3.2/css/ionic.css" rel="stylesheet">
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<script src="https://cdn.bootcss.com/ionic/1.3.2/js/ionic.bundle.min.js"></script>
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<style>
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.col{
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  background-color: #F9FAFB;
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  padding: 5px;
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  border: 1px solid #ddd;
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  border-radius: 2px;
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  text-align: center;
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}
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</style>
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</head>
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<body>
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  <div class="bar bar-header">
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    <div class="h1 title">同等大小网格</div>
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  </div>
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​
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  <div class="content has-header">
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​
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    <div class="row">
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      <div class="col">
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        <div class="col-demo">.col</div>
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      </div>
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      <div class="col">
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        <div class="col-demo">.col</div>
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      </div>
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      <div class="col">
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        <div class="col-demo">.col</div>
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      </div>
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      <div class="col">
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        <div class="col-demo">.col</div>
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      </div>
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      <div class="col">
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        <div class="col-demo">.col</div>
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      </div>
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    </div>
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​
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  </div>
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</body>
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</html>