JSP清除页面缓存常用方法小结

<%response.setHeader("Pragma","No-cache"); 
response.setHeader("Cache-Control","no-cache"); 
response.setDateHeader("Expires", 0); 
response.flushBuffer();%>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache"> 
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache"> 
<META HTTP-EQUIV="Expires" CONTENT="0">

<% 
  Cookie killMyCookie = new Cookie("mycookie", null); 
  killMyCookie.setMaxAge(0); 
  killMyCookie.setPath("/"); 
  response.addCookie(killMyCookie); 
%>

<%@ page language="java" %> 
<% 
session.invalidate(); 
%>

<SCRIPT LANGUAGE="JavaScript">
<!== hide from non-JavaScript browsers
var axel = Math.random() + "";
var num = axel * 1000000000000000000;
document.writeln('<A HREF="http://ad.doubleclick.net/jump/N409.somesite/B470;sz=468x60;ord='+ num +'"><IMG SRC="http://ad.doubleclick.net/ad/N409.somesite/B470;sz=468x60;ord='+ num +'" BORDER=0 WIDTH=468 HEIGHT=60 ALT="Click Here!"> Click Here!</A>');
// end hide from browsers ==>
</SCRIPT>
<NOSCRIPT>
<A HREF="http://ad.doubleclick.net/jump/N409.somesite/B470;sz=468x60;ord=[timestamp]">
<IMG SRC="http://ad.doubleclick.net/ad/N409.somesite/B470;sz=468x60;ord=[timestamp]" BORDER=0 WIDTH=468 HEIGHT=60 ALT="Click Here!"> Click Here!</A>
</NOSCRIPT>

<SCRIPT LANGUAGE="JavaScript">
<!== hide from non-JavaScript browsers
var axel = Math.random() + "";
var num = axel * 1000000000000000000;
document.writeln('<IFRAME SRC="http://ad.doubleclick.net/adi/N409.somesite/B470;sz=468x60;ord='+ num +'" WIDTH=470 HEIGHT=62 MARGINWIDTH=0 MARGINHEIGHT=0HSPACE=0 VSPACE=0 FRAMEBORDER=0 SCROLLING=no BORDERCOLOR="#000000">');
document.writeln('<SCR'+'IPT language="JavaScript1.1" SRC="http://ad.doubleclick.net/adj/N409.somesite/B470;abr=!ie;sz=468x60;ord='+ num +'"></SCR'+'IPT></IFRAME>');
// end hide from browsers ==>
</script>
<noscript>
<A HREF="http://ad.doubleclick.net/jump/N409.somesite/B470;abr=!ie4;abr=!ie5;sz=468x60;ord=">
<IMG SRC="http://ad.doubleclick.net/ad/N409.somesite/B470;abr=!ie4;abr=!ie5;sz=468x60;ord=" BORDER=0 WIDTH=468 HEIGHT=60 ALT="Click Here!"> Click Here!</A>
<noscript>