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我有以下的HTML表单...HTML文件上传表单字段
<html>
<head><title>Upload Servlet</title></head>
<body><h2>Upload Servlet</h2>
<form name='uploadparams' enctype='multipart/form-data' action='' method='post'>
<label>Migrate Options From:
<select name='migrateFrom'>
<option></option>
<option value='version 1'>version 1</option>
</select>
</label>
<br/>
<input type='file' name='zipFile'>
<br/>
<input type='hidden' value='willnotshowupinservlet'/>
<button type='submit'>Submit</button>
</form>
</body>
</html>
的问题是,虽然我可以读取“压缩文件”的HTTP参数名的文件就好了我的servlet没有看到其他参数“willnotshowupinservlet”和“migrateFrom”。文件上传表单是否只能有一个输入(文件输入)?