利用 Etag 与 Last-Modified 减轻服务器压力
作者:anotherbug 日期:2007-09-16
[code]
//Action
if(!isModified(request, avatar))
{
return "notmodified";
} else
{
response.setDateHeader("Last-Modified", getImageFile(avatar, getSize()).lastModified() + avatar.getID());
response.setHeader("Etag"...
//Action
if(!isModified(request, avatar))
{
return "notmodified";
} else
{
response.setDateHeader("Last-Modified", getImageFile(avatar, getSize()).lastModified() + avatar.getID());
response.setHeader("Etag"...
