使用 JSP/ Servlet上載文件正成為一項常用的任務(wù)。以下是一個簡單的例程，使用了jspsmart的一個免費的組件。你可以在JSPSMART站點進行下載。
1. Html File
<html>
<body>
<script LANGUAGE="javascript" SRC="JSFunction.js">
</script>
<script language="JavaScript">
<!--
function checkForm(){
if (document.uploadform.adsImage.value==""){
alert("You must choose what image file to upload!");
return false;
}
document.uploadform.submit();
}
function cancelUpload(){
window.close();
window.opener.focus();
}
//-->
</script>
<form name="uploadform" method="post"
action="uploadImage.jsp" ENCTYPE="multipart/form-data"
target=_self>
<center>
<table border="1" width="65%">
<tr>
<td colspan=2 nowrap align=center>廣告圖片上載</td>
</tr>
<tr>
<td width="15%" nowrap >廣告圖片:</td>
<td width="50%" nowrap><input type="file"
name="adsImage" size="20"></td>
</tr>
<tr>
<td align="center" colspan=2 >
<input type="button" value="upload" onclick="return
checkForm();" >
<input type="button" value="Cancel" onclick="return
cancelUpload();">
</td>
</tr>
</form>
</table>
<!--
<a href="Javascript:window.close();">close this window</a>
-->
<script language="JavaScript">
<!--
this.focus();
//-->
</script>
</body>
2. JSP File
<%@ page language="java" import=
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