<%@page contentType="text/html;charset=gb2312" pageEncoding="gb2312"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-logic" prefix="logic" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd"><html:html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>用户注册</title>
</head>
<script language="javaScript">
function check()
{
if(document.all.logname.value==null)
{
alert("请输入用户名!");
return false;
}
if(myform.password.value=="")
{
alert("请输入口令!");
return false;
}
if(myform.profession.value=="")
{
alert("请输入地区!");
return false;
} var age=myform.age.value;
for(i=0;i<age.length;i++)
{
if(age.charAt(i)<"0")
{
alert("请输入数字!");
return false;
}
else if(age.charAt(i)>"9")
{
alert("请输入数字!");
return false;
}
}
var height=myform.height.value;
for(i=0;i<height.length;i++)
{
if(height.charAt(i)<"0")
{
alert("请输入数字!");
return false;
}
else if(height.charAt(i)>"9")
{
alert("请输入数字!");
return false;
}
} }
</script>
<body>
<h2>用户注册</h2>
<form action="Register" method="post" onsubmit="return check()" name="myform">
<table>
<tr>
<td>用户名(*):</td>
<td><html:text property="logname" /></td> </tr>
<tr>
<td>密码(*):</td>
<td><html:password property="password"/></td> </tr>
<tr>
<td>密码确认(*):</td>
<td><html:password property="password2"/></td> </tr>
<tr>
<td>性别(*):</td>
<td><html:radio property="sex" value="男"/>男<html:radio property="sex" value="女"/>女</td>
</tr>
<tr>
<td>身高:</td>
<td><html:text property="height"/>cm</td>
</tr>
<tr>
<td>年龄:</td>
<td><html:text property="age"/></td>
</tr>
<tr>
<td>城市:</td>
<td><html:text property="city" /></td>
</tr>
<td>职业(*):</td>
<td><html:text property="profession"/></td>
<tr>
<td></td>
<td><html:submit>注册</html:submit> <html:reset>重填</html:reset></td>
</tr>
</table>
</form>
</body>
</html:html>加入js之前,form用<html:form>的情况下能运行并成功,这样就不行,why?
如果我用<html:form action="Register" method="post">不用js,不如上面那样用的话,就能注册成功。如果用现在发的这个页面就不能注册成功。
form onsubmit?
<html:submit>注册</html:submit>改下
<form action="Register" method="post" name="myform">
....
<input type="button" value="注册" onclick="return check()"/>
</form>