request.getParameter("Submit")取不到值？解决方案
日期：2014-05-17 浏览次数：20683 次
request.getParameter("Submit")取不到值？？？
我的jsp代码是：
<%@ page language="java" pageEncoding="UTF-8"
contentType="text/html; charset=UTF-8"%>
<%@ include file="/taglibs.inc.jsp" %>
<html>
<head>
<title>写信</title>
</head>
<body>
<form action="sendMail.do" enctype="multipart/form-data" method="post">
<script language="javascript">
<!--
function addContact(type) {
var vReturnValue = window.showModalDialog("goselect.jsp",window,"dialogWidth=800px;dialogHeight=600px");
var theform = document.forms[0];
if (vReturnValue == undefined)
{
vReturnValue = "";
}
if (type=="to")
{
if (theform.txtTo.value=='')
{
theform.txtTo.value=vReturnValue;
}
else if (vReturnValue != "")
{
theform.txtTo.value += "," + vReturnValue;
}
}
else if (type=="cc")
{
if (theform.txtCC.value=='')
{
theform.txtCC.value=vReturnValue;
}
else if (vReturnValue != "")
{
theform.txtCC.value += "," + vReturnValue;
}
}
else
{
if (theform.txtBCC.value=='')
{
theform.txtBCC.value=vReturnValue;
}
else if (vReturnValue != "")
{
theform.txtBCC.value += "," + vReturnValue;
}
}
}
// -->
</script>
<div align="center"> <strong>写信 </strong><br />
<table width="500" border="1">
<tr>
<td width="150">收信人</td>
<td width="350">
<c:if test="${groupMails != null }">
<input type="text" name="txtTo" value="${groupMails}"/>
</c:if>
<c:if test="${groupMails == null }">
<input type="text" name="txtTo" />
</c:if>
<input type="button" name="sbtAddTo" value="添加" onclick="addContact('to')"/></td>
</tr>
<tr>
<td>抄送</td>
<td><input type="text" name="txtCC" />
<input type="button" name="sbtAddTo" value="添加" onclick="addContact('cc')"/></td>
</tr>
<tr>
<td>密送</td>
<td><input type="text" name="txtBCC" />
<input type="button" name="sbtAddTo" value="添加" onclick="addContact('bcc')"/></td>
</tr>
<tr>
<td>附件</td>
<td><input type="file" name="fileAtt" /></td>
</tr>
<tr>
<td>标题</td>
<td><input type="text" name="txtTitle" /></td>
</tr>
<tr>
<tr>
<td>内容</td>
<td><textarea name="txa
我的jsp代码是：
<%@ page language="java" pageEncoding="UTF-8"
contentType="text/html; charset=UTF-8"%>
<%@ include file="/taglibs.inc.jsp" %>
<html>
<head>
<title>写信</title>
</head>
<body>
<form action="sendMail.do" enctype="multipart/form-data" method="post">
<script language="javascript">
<!--
function addContact(type) {
var vReturnValue = window.showModalDialog("goselect.jsp",window,"dialogWidth=800px;dialogHeight=600px");
var theform = document.forms[0];
if (vReturnValue == undefined)
{
vReturnValue = "";
}
if (type=="to")
{
if (theform.txtTo.value=='')
{
theform.txtTo.value=vReturnValue;
}
else if (vReturnValue != "")
{
theform.txtTo.value += "," + vReturnValue;
}
}
else if (type=="cc")
{
if (theform.txtCC.value=='')
{
theform.txtCC.value=vReturnValue;
}
else if (vReturnValue != "")
{
theform.txtCC.value += "," + vReturnValue;
}
}
else
{
if (theform.txtBCC.value=='')
{
theform.txtBCC.value=vReturnValue;
}
else if (vReturnValue != "")
{
theform.txtBCC.value += "," + vReturnValue;
}
}
}
// -->
</script>
<div align="center"> <strong>写信 </strong><br />
<table width="500" border="1">
<tr>
<td width="150">收信人</td>
<td width="350">
<c:if test="${groupMails != null }">
<input type="text" name="txtTo" value="${groupMails}"/>
</c:if>
<c:if test="${groupMails == null }">
<input type="text" name="txtTo" />
</c:if>
<input type="button" name="sbtAddTo" value="添加" onclick="addContact('to')"/></td>
</tr>
<tr>
<td>抄送</td>
<td><input type="text" name="txtCC" />
<input type="button" name="sbtAddTo" value="添加" onclick="addContact('cc')"/></td>
</tr>
<tr>
<td>密送</td>
<td><input type="text" name="txtBCC" />
<input type="button" name="sbtAddTo" value="添加" onclick="addContact('bcc')"/></td>
</tr>
<tr>
<td>附件</td>
<td><input type="file" name="fileAtt" /></td>
</tr>
<tr>
<td>标题</td>
<td><input type="text" name="txtTitle" /></td>
</tr>
<tr>
<tr>
<td>内容</td>
<td><textarea name="txa
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