HTTP响应码有那些呢?

 202: Accepted (HTTP/1.0 - RFC 1945)
 502: Bad Gateway (HTTP/1.0 - RFC 1945)
 400: Bad Request (HTTP/1.1 - RFC 2616)
 409: Conflict (HTTP/1.1 - RFC 2616)
 100: Continue (HTTP/1.1 - RFC 2616)
 201: Created (HTTP/1.0 - RFC 1945)
 417: Expectation Failed (HTTP/1.1 - RFC 2616)
 424: Failed Dependency (WebDAV - RFC 2518)
 403: Forbidden (HTTP/1.0 - RFC 1945)
 504: Gateway Timeout (HTTP/1.1 - RFC 2616)
  410: Gone (HTTP/1.1 - RFC 2616)
 505: HTTP Version Not Supported (HTTP/1.1 - RFC 2616)
 Static constant for a 419 error.
 507: Insufficient Storage (WebDAV - RFC 2518)
 500: Server Error (HTTP/1.0 - RFC 1945)
 411: Length Required (HTTP/1.1 - RFC 2616)
 423: Locked (WebDAV - RFC 2518)
 Static constant for a 420 error.
 405: Method Not Allowed (HTTP/1.1 - RFC 2616)
 301: Moved Permanently (HTTP/1.0 - RFC 1945)
 302: Moved Temporarily (Sometimes Found) (HTTP/1.0 - RFC 1945)
 207: Multi-Status (WebDAV - RFC 2518) 
     or 207 Partial Update OK (HTTP/1.1 - draft-ietf-http-v11-spec-rev-01?)
 300: Mutliple Choices (HTTP/1.1 - RFC 2616)
 204: No Content (HTTP/1.0 - RFC 1945)
 203: Non Authoritative Information (HTTP/1.1 - RFC 2616)
 406: Not Acceptable (HTTP/1.1 - RFC 2616)
 404: Not Found (HTTP/1.0 - RFC 1945)
 501: Not Implemented (HTTP/1.0 - RFC 1945)
 304: Not Modified (HTTP/1.0 - RFC 1945)
 200: OK (HTTP/1.0 - RFC 1945)
 206: Partial Content (HTTP/1.1 - RFC 2616)
 402: Payment Required (HTTP/1.1 - RFC 2616)
 412: Precondition Failed (HTTP/1.1 - RFC 2616)
 102: Processing (WebDAV - RFC 2518)
 407: Proxy Authentication Required (HTTP/1.1 - RFC 2616)
 408: Request Timeout (HTTP/1.1 - RFC 2616)
 413: Request Entity Too Large (HTTP/1.1 - RFC 2616)
 414: Request-URI Too Long (HTTP/1.1 - RFC 2616)
 416: Requested Range Not Satisfiable (HTTP/1.1 - RFC 2616)
 205: Reset Content (HTTP/1.1 - RFC 2616)
 303: See Other (HTTP/1.1 - RFC 2616)
 503: Service Unavailable (HTTP/1.0 - RFC 1945)
 101: Switching Protocols (HTTP/1.1 - RFC 2616)
 307: Temporary Redirect (HTTP/1.1 - RFC 2616)
 401: Unauthorized (HTTP/1.0 - RFC 1945)
 422: Unprocessable Entity (WebDAV - RFC 2518)
 415: Unsupported Media Type (HTTP/1.1 - RFC 2616)
 305: Use Proxy (HTTP/1.1 - RFC 2616)