security.jsp

来自「JiveJdon 3.0不只是一个论坛程序」· JSP 代码 · 共 8 行

<%
java.security.Principal principal= request.getUserPrincipal();
if (principal != null){
    request.getSession().setAttribute("principal", principal);
}else{
	request.getSession().removeAttribute("principal");
}
%>