user_login.jsp

来自「网站的实例」· JSP 代码 · 共 14 行

<%
String user_login=(String)session.getAttribute("user_login");
if(user_login==null)
{
out.print("User has not login!<A href='index.jsp'>返回</A>"); 
}
else
{
if(!user_login.equals("yes"))
{
out.print("User has not login!<A href='index.jsp'>返回</A>");
}
}
%>