📄 login.jsp
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<%@ page language="java" contentType="text/html; charset=GBK"
pageEncoding="GBK"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title>用户登录</title>
<script type="text/javascript">
function login(){
if(document.forms.form1.userno=="" || document.forms.form1.password.value==""){
alert( "用户名或密码不能为空！" );
return;
}
document.forms.form1.action="login";
document.forms.form1.submit();
}
function register(){
window.self.location="register.jsp";
}
</script>
</head>
<body>
<h3>用户登录</h3><hr>
<div align="center">
<%if(request.getAttribute("message")!=null){%>
<font color="#ff0000"><%=request.getAttribute("message")%></font><hr>
<%}%>
<form method="get" id="form1">
<table width="185" height="88">
<tr><td>用户：</td><td><input type="text" name="userno" size="14" ></td></tr>
<tr><td>密码：</td><td><input type="password" name="password" size="14"></td></tr>
</table>
<table width="185" height="88">
<tr>
<td align="right"><input type="button" value="登录" onclick="login()" style="background-color: rgb(192, 192, 192);"></td>
<td align="left"><input type="button" value="注册" onclick="register()" style="background-color: rgb(192, 192, 192);"></td>
</tr>
</table>
</form>
</div>
</body>
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