All kinds of common language erase Web caching method Summary _ Related Tips

This article summarizes various common language clearing page caching methods. Share to everyone for your reference. The implementation methods are as follows:

In general, clear cache we just need to set the page for No-cache, of course, like asp,php This only need to set the expires operation can be, specifically as follows.

HTML Web page:

Copy Code code as follows:

<meta http-equiv= "Pragma" content= "No-cache" >
<meta http-equiv= "Cache-control" content= "No-cache, must-revalidate" >
<meta http-equiv= "Expires" content= "Wed Feb, 1997 08:21:57 GMT" >

Or

Copy Code code as follows:

<meta http-equiv= "Expires" content= "0" >

ASP Web page:

Copy Code code as follows:

Response.Expires =-1
Response.ExpiresAbsolute = Now ()-1
Response.CacheControl = "No-cache"

PHP Web page:

Copy Code code as follows:

Header ("Expires:mon, June June 1997 05:00:00 GMT");
Header ("Cache-control:no-cache, must-revalidate");
Header ("Pragma:no-cache");

JSP Web page:

Copy Code code as follows:

Response.setheader ("Pragma", "No-cache");
Response.setheader ("Cache-control", "No-cache");
Response.setdateheader ("Expires", 1);

I hope this article will help you with your Web programming.