<%@ page language="java" pageEncoding="GB18030"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'supload.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
function addMore()
{
var td=document.getElementById("more");
var br=document.createElement("br");
var input=document.createElement("input");
var button=document.createElement("input");
input.type="file";
input.name="file";
button.type="button";
button.value="remove";
button.onclick=function()
{
td.removeChild(br);
td.removeChild(input);
td.removeChild(button);
}
td.appendChild(br);
td.appendChild(input);
td.appendChild(button);
}
</script>
</head>
<body>
<table align="center" width="50%" >
<tr>
<td>
<s:fielderror cssStyle="color:red"/>
</td>
</tr>
</table>
<s:form action="upload" theme="simple" enctype="multipart/form-data">
<table align="center" width="50%" border="1">
<tr>
<td>
username
</td>
<td>
<s:textfield name="username" ></s:textfield>
</td>
</tr>
<tr>
<td>
password
</td>
<td>
<s:password name="password" ></s:password>
</td>
</tr>
<tr>
<td >
file
</td>
<td id="more">
<s:file name="file"></s:file>
<input type="button" value="More" OnClick="addMore()">
</td>
</tr>
<tr>
<td>
<s:submit value="submit"></s:submit>
</td>
<td>
<s:reset value="reset"></s:reset>
</td>
</tr>
</table>
</s:form>
</body>
</html>
js控制表单增删（文件上传页面端）
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