JSP tips-Prevent browsers from fetching pages quickly

js| Skills | browser | Web browser to speed up the user's browsing speed, often will browse the Web page quickly to the hard disk, the next time to browse the same page, then go to the hard drive to find, but now the Web page is often dynamic, in order to avoid users caught in the hard drive expired information, JSP can be used in the following ways to prevent the browser from fast access to the Web page, this method will ensure that users to the Web page will always be able to see the latest information.

1.JSP syntax
<%
Response.setheader ("Pragma", "No-cache");
Response.setheader ("Cache-control", "No-cache");
Response.setdateheader ("Expires", 0);
%>

2. You can also use the following HTML syntax, available on static web pages
<meta http-equiv= "Pragma" content= "No-cache" >
<meta http-equiv= "Cache-control" content= "No-cache" >
<meta http-equiv= "Expires" content= "0" >
Note that these HTML syntax is to be under the