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page
application
request
response
session
config
out
pageContext
page
<%@page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" %>
response
<%
response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);
%>
<%response.sendRedirect("login.jsp");%>
session
<%session.invalidate();%>
request/session
<%
String errmsg = request.getParameter("errmsg");
request.getSession(true);
String chk = "false";
session.putValue("Enter",chk);
%>
out
<%
if(errmsg != null && errmsg.equals("error1"))
out.print("ÄãµÄÓû§ºÅ»¹Ã»ÓпªÍ¨!!");
else if(errmsg != null && errmsg.equals("error2"))
out.print("ÄúÊäÈë¹ÜÀíÔ±ÕʺŻòÕßÃÜÂë²»ÕýÈ·!!");
%>
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