📄 login_failure.jsp
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<%@page contentType="text/html;charset=gb2312"%>
<%@page import="java.util.*"%>
<html>
<head>
<title>登陆</title>
<script language=javascript>
function onfu(){
document.form1.name.focus();
}
function ontu(){
document.form1.submit.focus();
}
function backgo(){
history.go('index.jsp');
}
</script>
</head>
<body onLoad="onfu() ,backgo()">
<center>
<h1>错误提示信息</h1>
<hr>
<br>
<br>
<!-- 加入更加详细的错误提示 -->
<%
out.print("<script language='javascript'>alert('登录出现错误，未登录成功！');</script> ");
if(request.getAttribute("errors")!=null)
{
// 有错误，要进行打印输出
List all = (List)request.getAttribute("errors") ;
Iterator iter = all.iterator() ;
while(iter.hasNext())
{
%>
<li><font color='red' size="40"><%=iter.next()%></font>
<%
}
}
%>
<form action="servlet" name="form1" method="post">
<table>
<tr>
<td colspan="2"><div align="center">请登陆</div></td>
</tr>
<tr>
<td>用户名：</td>
<td><input type="text" name="name" value="${person.name}"></td>
</tr>
<tr>
<td>密 码：</td>
<td><input name="password" type="password" value="${person.password}" size="22"></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="登陆" name="submit" ／>
<input name="重置" type="reset" value="重置">
<input name="按钮" type="button" onClick="return location.href('user.jsp');" value=" 我要注册 ">
<a href="index.jsp">首页</a> </td>
</tr>
</table>
</form>
</center>
</body>
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