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login.jsp
java code
<%@ page pageEncoding="UTF-8" %>
<%@ page import="bin.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<% if(session.getAttribute("loginUser")!=null)
{
%>
<jsp:forward page="loginSuccess.jsp"/>
<%
}
%>
<jsp:useBean id="loginForm" class="bin.LoginFormBean" scope="page"/>
<jsp:setProperty name="loginForm" property="*" />
<%
if(request.getParameter("s")!=null)
{
if (loginForm.validate())
{
DbUtil db=DbUtil.getInstance();
UserBean user=db.getUser(loginForm.getName());
if(user==null)
{
loginForm.setErrorMsg("name","no this user!");
}
else
{
if(user.validatePassword(loginForm.getPassword()))
{
session.setAttribute("loginUser",user);
%>
<jsp:forward page="loginSuccess.jsp"/>
<%
}
else
{
loginForm.setErrorMsg("password","password error!");
}
}
}
}
%>
<form action="login.jsp" method="post" >
<p>姓名
<input type="text" name="name" value="<%=loginForm.getName() %>">
<font color=red><%=loginForm.getErrorMsg("name")%></font>
</p>
<p>密码
<input type="password" name="password" value=<%=loginForm.getPassword() %>>
<font color=red><%=loginForm.getErrorMsg("password") %></font>
</p>
<p>
<input type="submit" name="s" value="登录">
</p>
</form>
</body>
</html> |
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发表于 2011-10-29 08:25:34