使用curl -I 文件URL地址
#curl -I GET
HTTP/1.1 301 Moved Permanently
Server: nginx/0.5.23
Date: Wed, 29 Jun 2011 01:36:34 GMT
Content-Type: text/html
Content-Length: 185
Connection: keep-alive
Location:
HTTP/1.0 200 OK
Content-Type: application/octet-stream
Accept-Ranges: bytes
Content-Length: 2822110
Date: Tue, 28 Jun 2011 18:41:28 GMT
Server: Apache 1.3.29
Age: 24906
X-Cache: HIT from js161
Via: 1.0 js161:82 (sinuid/150.14)
HIT 代表已缓存 MISS代表没有缓存
