2.2 CURL 命令的讲解: 1.就是以命令的方式来执行HTTP 协议的请求的工具 2.可以通过CURL 操作HTTP的GET/POST/PUT/DELETE方法 jrhmpt01:/root# curl -i www.baidu.com HTTP/1.1 200 OK Server: bfe/1.0.8.14 Date: Mon, 05 Sep 2016 13:43:17 GMT Content-Type: text/html Content-Length: 2381 Last-Modified: Mon, 25 Jul 2016 11:11:32 GMT Connection: Keep-Alive ETag: "5795f3e4-94d" Cache-Control: private, no-cache, no-store, proxy-revalidate, no-transform Pragma: no-cache Accept-Ranges: bytes 响应头: -i/--include Include protocol headers in the output (H/F)