jspログイン単純インスタンス
4162 ワード
aaa , 。
、session_login.html
<html> <body>
<form method=post action="check_login.jsp">
<table>
<tr><td>name:</td><td>
<input type=text name=name> </td></tr>
<tr><td>password:</td><td>
<input type=text name=password> </td></tr>
<tr colspan=2><td>
:
<input name=type type=radio value=manager checked>
<input type=radio name=type value=user>
</td></tr>
<tr colspan=2> <td> <input type=submit value=login> </td> </tr>
</table>
</body> </html>
、check_login.jsp
<%@ page contentType="text/html; charset=gb2312" %>
<%
// session_login.html
String name=request.getParameter("name");
String password=request.getParameter("password");
String type=request.getParameter("type");
// , aaa ,
if(password.equals("aaa")) {
/// , session ,
session.setAttribute("name",name);
session.setAttribute("password",password);
session.setAttribute("type",type);
/// ,
if(type.equals("manager"))
response.sendRedirect("manager.jsp");
else if(type.equals("user"))
response.sendRedirect("user.jsp");
else {
out.print("<script language='JavaScript' type='text/JavaScript'>alert(' ! !');</script>");
response.sendRedirect("session_login.html");
}
}
else
// , session_login.html 。
{
out.print("<script>alert(' !');window.location.href='session_login.html'</script>");
//out.print("<script language='JavaScript' type='text/JavaScript'>alert(' !');</script>");
//response.sendRedirect("session_login.html");
}
%>
、manager.jsp
<%@ page contentType="text/html; charset=gb2312" %>
<%
// password , session password ,
if(session.getAttribute("password")==null)
{out.print("<script>alert(' !');window.location.href='session_login.html'</script>");}
// session , user , ,
if(session.getAttribute("type")==null||!session.getAttribute("type").equals("manager"))
{out.print("<script>alert(' , !');window.location.href='session_login.html'</script>");}
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title> </title>
</head>
<body>
!
</body>
</html>
、user.jsp
<%@ page contentType="text/html; charset=gb2312" %>
<%
// password , session password ,
if(session.getValue("password")==null)
out.print("<script>alert(' !');window.location.href='session_login.html'</script>");
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title> </title>
</head>
<body>
!
</body>
</html>
抜粋:http://www.java3z.com/cwbwebhome/article/article5/5538.html?id=751
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