常见求和响应头

1、HTTPRequestHeader求Accept: text/plain, Accept-Accept-Charset: iso-8859-Accept-Accept-Encoding: compress, Accept-Accept-Language: Accept-Accept-Ranges: Authorization:BasicCache-Cache-Control: no-Connection: HTTP 请求发送时，会把保存在该请求送给 web 服HTTPRequestHeader求Accept: text/plain, Accept-Accept-Charset: iso-885

2、9-Accept-Accept-Encoding: compress, Accept-Accept-Language: Accept-Accept-Ranges: Authorization:BasicCache-Cache-Control: no-Connection: HTTP 请求发送时，会把保存在该请求送给 web 服务器。: =1; Content-Content-Length: Content-Content-Type:application/x-www-form-Date:Tue,15Nov 201008:12:31Expect: 100-和If-If-Match: If-Mod

3、ified-304If-Modified-Since: Sat, 29 Oct 2010 19:43:31 If-None-务器回应的 Etag 比较判断是否改变If-数也为 EtagIf-Range: If-Unmodified-If-Unmodified-Since:Sat,29Oct201019:43:31HTTPResponsesHeader应Accept-Accept-Ranges: 从原始服务器缓存形成的估算时间（以秒计，非负Age: Allow: GET, Cache-Cache-Control: no-Content-Content-Encoding: Max-限制信息通Max

4、-Forwards: Pragma: no-Proxy-连接Proxy-Authorization: Basic Range: bytes=500-Referer: HTTPResponsesHeader应Accept-Accept-Ranges: 从原始服务器缓存形成的估算时间（以秒计，非负Age: Allow: GET, Cache-Cache-Control: no-Content-Content-Encoding: Max-限制信息通Max-Forwards: Pragma: no-Proxy-连接Proxy-Authorization: Basic Range: bytes=500-

5、Referer: TE: 向服务器指定某种传输协议以便服务器进行转换（如果支持Upgrade: HTTP/2.0, SHTTP/1.3, IRC/6.9, User-User-Agent: Mozilla/5.0 (Linux; Via: 1.0 fred, Warn: 199 Miscellaneous Content-Content-Language: Content-Content-Length: Content-Content-Location: Content-Content-MD5: Content-Content-Range: bytes 21010-Content-Conten

6、t-Type: text/html; charset=utf-Date: Tue, 15 Nov 2010 08:12:31 ETag: Expires: Thu, 01 Dec 2010 16:00:00 Last-Last-Modified: Tue, 15 Nov 2010 12:45:26 Location: Pragma: no-Proxy-Content-Content-Language: Content-Content-Length: Content-Content-Location: Content-Content-MD5: Content-Content-Range: byt

7、es 21010-Content-Content-Type: text/html; charset=utf-Date: Tue, 15 Nov 2010 08:12:31 ETag: Expires: Thu, 01 Dec 2010 16:00:00 Last-Last-Modified: Tue, 15 Nov 2010 12:45:26 Location: Pragma: no-Proxy-Proxy-Authenticate: Refresh: 5; Retry-Retry-After: web服务Server: Apache/1.3.27 (Unix) (Red-:UserID=JohnDoe;Max-Age=3600; Trailer: Max-Transfer-Transfer-告诉下Vary: 告V