logout.jsp

网上订票系统源代码

<%@ page    language  = "java"  %>
<%@ page contentType="text/html; charset=gb2312"%>
<%@ page    import    = "java.net.*"%>
<%@ page    language  = "java"  %>
<%@ page    import  = "java.io.*"  %>
<%@ page    import    = "java.sql.*" %>
<%@ page    import    = "java.math.*" %>
<%@ page    import    = "java.util.*" %>
<%@ page    import    = "common.*"%>
<%	    //退出系统，记录登录IP
        int UID=0;
		try{UID=Integer.parseInt(session.getAttribute("UID").toString());}catch(Exception e){UID=0;}
		if(UID!=0)
		{
        	User user = new User(UID);
			InetAddress inet = InetAddress.getLocalHost();
        	String ULastIP=""+ inet.getHostAddress();
			user.ULastIP = ULastIP;
			user.save();
		}
		session.invalidate();
		    
		//try{response.sendRedirect("index.jsp");}catch(Exception e){}	
		out.print("<script>alert('成功退出！');location.href='index.jsp';</script>");
%>