T
tswhoney
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我的服务是Tomcat5.0,页面代码如下,为何每次提交都会连续提交2条记录到数据库,而且有时又是正常的.
<%@include file="/include/tools/SessionCheck.jsp"%>
<%@ page import="java.sql.*,com.ConnectDB,java.util.*"
contentType="text/html;
charset=GBK"
errorPage="/error.jsp"
%>
<%@ page import="com.sowant.eip.com.properties.*"%>
<jsp:useBean id="conn"
scope="page"
class="com.ConnectDB"
/>
<html>
<head>
<title>网址设定</title>
<meta http-equiv="Content-Type"
content="text/html;
charset=GBK">
</head>
<script language="javascript">
function addwz()
{
if (form1.t1.value==""
{
alert('网址简称要填写');
form1.t1.focus();
return false;
}
if (form1.t2.value==""
{
alert('网址全称要填写');
form1.t2.focus();
return false;
}
if (form1.t3.value == 0)
{
alert('网址路径要填写');
form1.t3.focus();
return false;
}
else
{
form1.submit();
}
}
</script>
<%
if (request.getMethod().equals("POST")
{
String sqlstr="insert into CYGL_wz_manage(wzname,wzhttp,wzname2) values("+convert(request.getParameter("t1")+","+convert(request.getParameter("t3")+
","+convert(request.getParameter("t2")+"";
conn.execute(sqlstr);
}
%>
<body>
<p> 
</p>
<form name="form1"
method="post"
onsubmit="return addwz()">
<table width="365"
border="0"
align="center">
<tr class="trLine1_1">
<td width="47"
height="24">简称：</td>
<td width="322"><input name="t1"
type="text"
id="t1"></td>
</tr>
<tr>
<td height="25">全称：</td>
<td><input name="t2"
type="text"
id="t2"
size="35"
maxlength="50"></td>
</tr>
<tr>
<td height="25">网址：</td>
<td><input name="t3"
type="text"
id="t3"
value="http://"
size="40"></td>
</tr>
<tr>
<td> </td>
<td> 
<input type="image"
src="/new_image/button3.gif"
style="cursor:hand"
width="55"
height="20"
>
<img src="/new_image/button4.gif"
width="55"
height="20"
style="cursor:hand"
onclick="window.close()">
</td>
</tr>
</table>
</form>
</body>
</html>
<%@include file="/include/tools/SessionCheck.jsp"%>
<%@ page import="java.sql.*,com.ConnectDB,java.util.*"
contentType="text/html;
charset=GBK"
errorPage="/error.jsp"
%>
<%@ page import="com.sowant.eip.com.properties.*"%>
<jsp:useBean id="conn"
scope="page"
class="com.ConnectDB"
/>
<html>
<head>
<title>网址设定</title>
<meta http-equiv="Content-Type"
content="text/html;
charset=GBK">
</head>
<script language="javascript">
function addwz()
{
if (form1.t1.value==""
{
alert('网址简称要填写');
form1.t1.focus();
return false;
}
if (form1.t2.value==""
{
alert('网址全称要填写');
form1.t2.focus();
return false;
}
if (form1.t3.value == 0)
{
alert('网址路径要填写');
form1.t3.focus();
return false;
}
else
{
form1.submit();
}
}
</script>
<%
if (request.getMethod().equals("POST"
){
String sqlstr="insert into CYGL_wz_manage(wzname,wzhttp,wzname2) values("+convert(request.getParameter("t1"
)+","+convert(request.getParameter("t3")+","+convert(request.getParameter("t2"
)+"";conn.execute(sqlstr);
}
%>
<body>
<p> 
</p>
<form name="form1"
method="post"
onsubmit="return addwz()">
<table width="365"
border="0"
align="center">
<tr class="trLine1_1">
<td width="47"
height="24">简称：</td>
<td width="322"><input name="t1"
type="text"
id="t1"></td>
</tr>
<tr>
<td height="25">全称：</td>
<td><input name="t2"
type="text"
id="t2"
size="35"
maxlength="50"></td>
</tr>
<tr>
<td height="25">网址：</td>
<td><input name="t3"
type="text"
id="t3"
value="http://"
size="40"></td>
</tr>
<tr>
<td> </td>
<td> 
<input type="image"
src="/new_image/button3.gif"
style="cursor:hand"
width="55"
height="20"
>
<img src="/new_image/button4.gif"
width="55"
height="20"
style="cursor:hand"
onclick="window.close()">
</td>
</tr>
</table>
</form>
</body>
</html>