v/examples/vweb/file_upload/index.html

<h2>File Upload</h2>

File form:
<form method="POST" enctype="multipart/form-data" action="/upload">
	<input type="hidden" name="file_id" value="aafueB5Quie" />
	<input type="file" name="upfile" multiple/>
	<input type="submit" value="Upload"/>
</form>

Text form:
<form method="POST" enctype="multipart/form-data" action="/submit">
	<input type="text" name="content1" value="abc" />
	<input type="text" name="content2" value="xyz" />
	<input type="submit" value="Submit content">
</form>