📄 regist.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" errorPage="" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"/>
<title>请输入您的注册信息</title>
<SCRIPT LANGUAGE="JavaScript">
function check(form)
{
var errStr = "";
if (form.username.value == "" || form.username.value == null)
{
errStr += "您的用户名必须输入";
}
if (form.pass.value == "" || form.pass.value == null)
{
errStr += "\n您的密码必须输入";
}
if (form.age.value == "" || form.age.value == null)
{
errStr += "\n您的年龄必须输入";
}
else if (!/^\d+$/.test(form.age.value ))
{
errStr += "\n您的年龄必须为整数";
}
if (form.birth.value == "" || form.birth.value == null)
{
errStr += "\n您的生日必须输入";
}
else if(!/^19\d\d\-[0-1]\d\-[0-3]\d$/.test(form.birth.value) && !/^20[0-1]\d\-[0-1]\d\-[0-3]\d$/.test(form.birth.value))
{
errStr += "\n您的生日格式不正确,格式:yyyy-MM-DD";
}
if (errStr == "")
{
return true;
}
else
{
alert(errStr);
return false;
}
}
</SCRIPT>
</head>
<body>
<H1>请输入您的注册信息</H1>
<font color="red">
<%
if (request.getAttribute("error") != null)
out.println(request.getAttribute("error"));
%>
</font>
<FORM METHOD=POST ACTION="regist" onsubmit="//return check(this);">
用户名:<INPUT TYPE="text" NAME="username"><br>
密 码:<INPUT TYPE="password" NAME="pass"><br>
年 龄:<INPUT TYPE="text" NAME="age"><br>
生 日:<INPUT TYPE="text" NAME="birth"><p>
<INPUT TYPE="submit" value="注册">
</FORM>
</body>
</html>
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