代码编辑器:
x
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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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<link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
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<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script>
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<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
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<style>body {margin:20px}</style>
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<div class="alert alert-success alert-dismissable">
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<button type="button" class="close" data-dismiss="alert"
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aria-hidden="true">
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×
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</button>
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成功!很好地完成了提交。
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</div>
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<div class="alert alert-info alert-dismissable">
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<button type="button" class="close" data-dismiss="alert"
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aria-hidden="true">
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×