登录后如何在会话中保留详细信息? [英] After login how to keep details in a sessions?
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问题描述
日志成功之后我需要在会话中保留这些细节。任何人都知道如何做到这一点?这是我的java ogin代码...(我是会话的初学者)
Userservlet.java
private void loginDetail(HttpServletRequest请求,HttpServletResponse响应) throws ServletException,IOException {
User u = new User();
UserService us = new UserServiceImpl();
字符串 Uname = request.getParameter( txtUname跨度>);
字符串 Pwrd = request.getParameter( txtPwrd跨度>);
u.setUname(Uname);
u.setPwrd(Pwrd);
System.out.println(Uname + + Pwrd);
尝试 {
if (us.Userlogin(u.getUname(), u.getPwrd())){
String message = 谢谢, + Uname + ..您现在已登录系统 跨度>;
HttpSession session = request.getSession(true);
session.setAttribute( user,u);
// session?
request.setAttribute( message,message);
request.getRequestDispatcher( / menu.jsp)。forward(request,response) ;
} else {
String message = 您必须先注册或再次检查您的用户名密码!;
request.setAttribute( loginMsg,message);
RequestDispatcher rd = getServletContext()。getRequestDispatcher( / login2.jsp);
rd.forward(请求,回复);
}
} catch (例外e){
// TODO自动生成的捕获块
e.printStackTrace();
}
}
解决方案
session.setAttribute(..)
是保持会话数据的唯一方法
session.getAttribute(..)
After log successfully I need to keep that details in a session..Can anyone know how to do that?Here is my java ogin code...(Im a beginner of sessions)
Userservlet.java
private void loginDetail(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
User u = new User();
UserService us =new UserServiceImpl() ;
String Uname = request.getParameter("txtUname");
String Pwrd = request.getParameter("txtPwrd");
u.setUname(Uname);
u.setPwrd(Pwrd);
System.out.println(Uname+""+Pwrd);
try {
if(us.Userlogin(u.getUname(),u.getPwrd())){
String message = "Thank you, " + Uname +"..You are now logged into the system";
HttpSession session = request.getSession(true);
session.setAttribute("user", u);
//session?
request.setAttribute("message", message);
request.getRequestDispatcher("/menu.jsp").forward(request, response);
}else {
String message = "You have to register first or check Your user name password again!";
request.setAttribute("loginMsg", message);
RequestDispatcher rd = getServletContext().getRequestDispatcher("/login2.jsp");
rd.forward(request, response);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
解决方案
session.setAttribute(..)
is the only way to keep data in session
session.getAttribute(..)
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