HTTP协议语法（转）
BNF表示的HTTP协议语法 Request = Request-Line *(( general-header | request-header | entity-header ) CRLF) CRLF [ message-body ] Request-Line = Method SP Request-URI SP HTTP-Version CRLF Method = “OPTIONS” | “GET” | “HEAD” | “POST” | “PUT” | “DELETE” | “TRACE” | “CONNECT” | extension-method extension-method = token Request-URI = “*” | absoluteURI | abs_path | authority [...]
