<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery Validate 插件 - 文件输入框</title>
<script src="//libs.cdnjs.net/jquery/2.2.1/jquery.js"></script>
<script src="//libs.cdnjs.net/jquery-mockjax/1.4.0/jquery.mockjax.min.js"></script>
<script src="//libs.cdnjs.net/jquery.form/4.2.2/jquery.form.min.js"></script>
<script src="//libs.cdnjs.net/jquery-validate/1.14.0/jquery.validate.min.js"></script>
<script src="//libs.cdnjs.net/jquery-validate/1.14.0/additional-methods.min.js"></script>
<script src="//libs.cdnjs.net/jquery-validate/1.14.0/localization/messages_zh.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#fileForm").validate();
});
</script>
</head>
<body>
<form class="cmxform" id="fileForm" method="post" action="">
<fieldset>
<legend>选择指定类型的文件?</legend>
<p>
<label for="file1">选择一个纯文本文件(例如 *.txt)</label>
<input type="file" id="file1" name="file1" class="required" accept="text/plain" />
</p>
<p>
<label for="file2">选择任何图像文件</label>
<input type="file" id="file2" name="file2" class="required" accept="image/*"/>
</p>
<p>
<label for="file3">选择一个 PDF 或 EPS 文件</label>
<input type="file" id="file3" name="file3" class="required" accept="image/x-eps,application/pdf"/>
</p>
<p>
<label for="file4">选择任何音频或图像文件</label>