getusersession.jsp

来自「新闻发布系统」· JSP 代码 · 共 7 行

<%
String username = session.getAttribute("admin").toString();
username = username.trim();
if(username == null || username == ""){
	out.println("<script language=javascript> alert('你没有登录！');self.location.href='index.jsp'; </script> ");
}
%>