wget / curl 是两个比较方便的测试http功能的命令行工具,大多数情况下,测试http功能主要是查看请求响应 头信息 ,而给这两个工具加上适当的命令行参数即可轻易做到,其实查man手册就能找到对应的参数选项,不过这里仍然mark一下。
wget --debug
Turn on debug output, meaning various information important to the developers of
Wget if it does not work properly. Your system administrator may have chosen to
compile Wget without debug support, in which case -d will not work. Please note
that compiling with debug support is always safe—Wget compiled with the debug
support will not print any debug info unless requested with -d.
实例(可以看到,wget链接请求默认采用的是HTTP/1.0协议):
[root@localhost ~]# wget 127.0.0.1 --debug
DEBUG output created by Wget 1.12 on linux-gnu. --2012-05-26 12:32:08-- http://127.0.0.1/
Connecting to 127.0.0.1:80... connected.
Created socket 3.
Releasing 0x09cdfb18 (new refcount 0).
Deleting unused 0x09cdfb18. ---request begin---
GET / HTTP/1.0
User-Agent: Wget/1.12 (linux-gnu)
Accept: */*
Host: 127.0.0.1
Connection: Keep-Alive ---request end---
HTTP request sent, awaiting response...
---response begin---
HTTP/1.1 200 OK
Server: nginx/1.2.0
Date: Sat, 26 May 2012 04:32:08 GMT
Content-Type: text/html
Content-Length: 186
Last-Modified: Fri, 25 May 2012 02:41:59 GMT
Connection: keep-alive
Accept-Ranges: bytes ---response end---
200 OK
Registered socket 3 for persistent reuse.
Length: 186 1
Saving to: “index.html.42” 100%[================================================================>] 186 --.-K/s in 0s 2012-05-26 12:32:08 (4.72 MB/s) - “index.html.42” saved [186/186] [root@localhost ~]#
如果wget不带--debug选项,则可以使用-S、--save-headers选项,不过此时只能查看响应头部信息:
-S
–server-response
Print the headers sent by HTTP servers and responses sent by FTP servers.
–save-headers
Save the headers sent by the HTTP server to the file, preceding the actual contents,
with an empty line as the separator.
实例:
[root@localhost ~]# wget -S 127.0.0.1
--2012-05-26 12:38:32-- http://127.0.0.1/
Connecting to 127.0.0.1:80... connected.
HTTP request sent, awaiting response...
HTTP/1.1 200 OK
Server: nginx/1.2.0
Date: Sat, 26 May 2012 04:38:32 GMT
Content-Type: text/html
Content-Length: 186
Last-Modified: Fri, 25 May 2012 02:41:59 GMT
Connection: keep-alive
Accept-Ranges: bytes
Length: 186 1
Saving to: “index.html.44” 100%[================================================================>] 186 --.-K/s in 0s 2012-05-26 12:38:32 (4.52 MB/s) - “index.html.44” saved [186/186] [root@localhost ~]#
利用curl的-v查看请求响应头部信息:
-v/–verbose
Makes the fetching more verbose/talkative. Mostly useful for debugging. A line
starting with ’>’ means “header data” sent by curl, ’
<
’ means "header data"
received by curl that is hidden in normal cases, and a line starting with ’*’
means additional info provided by curl.
Note that if you only want HTTP headers in the output, -i/--include might be the
option you’re looking for.
If you think this option still doesn’t give you enough details, consider using
--trace or --trace-ascii instead.
This option overrides previous uses of --trace-ascii or --trace.
Use -s/--silent to make curl quiet.
实例(可以看到,wget链接请求默认采用的是HTTP/1.1协议):
[root@localhost aa]# curl -v 127.0.0.1
* About to connect() to 127.0.0.1 port 80 (#0)
* Trying 127.0.0.1… connected
* Connected to 127.0.0.1 (127.0.0.1) port 80 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.19.7 (i686-pc-linux-gnu) libcurl/7.19.7 NSS/3.12.7.0 zlib/1.2.3 libidn/1.18 libssh2/1.2.2
> Host: 127.0.0.1
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.2.0
< Date: Sat, 26 May 2012 04:45:12 GMT
< Content-Type: text/html
< Content-Length: 186
< Last-Modified: Fri, 25 May 2012 02:41:59 GMT
< Connection: keep-alive
< Accept-Ranges: bytes
<
<html>
<head>
<title>Welcome to nginx!</title>
</head>
<body bgcolor="white" text="black">
<center><h1>Welcome to nginx!</h1></center>
<center><h1>root:web</h1></center>
</body>
</html>
* Connection #0 to host 127.0.0.1 left intact
* Closing connection #0
[root@localhost aa]#
利用curl的-I选项仅查看响应头部信息:
-I/--head
(HTTP/FTP/FILE) Fetch the HTTP-header only! HTTP-servers feature the command HEAD
which this uses to get nothing but the header of a document. When used on a FTP
or FILE file, curl displays the file size and last modification time only.
实例:
[root@localhost aa]# curl -I 127.0.0.1
HTTP/1.1 200 OK
Server: nginx/1.2.0
Date: Sat, 26 May 2012 04:43:12 GMT
Content-Type: text/html
Content-Length: 186
Last-Modified: Fri, 25 May 2012 02:41:59 GMT
Connection: keep-alive
Accept-Ranges: bytes [root@localhost aa]#
wget/curl查看请求响应头信息的更多相关文章
-
curl 查看HTTP 响应头信息
curl -I "http://baidu.com" 加大写的i参数
-
HTTP请求响应头信息
HTTP请求响应头信息 请求:(request) 组成部分: 请求行 请求头 请求体 请求行:请求信息的第一行 格式:请求方式 访问的资源 协议/版本 例如:GET /day0801/1.html H ...
-
js获取http请求响应头信息
var req = new XMLHttpRequest(); req.open('GET', document.location, false); req.send(null); var heade ...
-
HTTP入门(一):在Bash中curl查看请求与响应
HTTP入门(一):在Bash中curl查看请求与响应 本文简单总结HTTP的请求与响应. 本文主要目的是对学习内容进行总结以及方便日后查阅. 详细教程和原理可以参考HTTP文档(MDN). 本文版权 ...
-
HTTP状态码、请求方法、响应头信息
HTTP状态码 当浏览者访问一个网页时,浏览者的浏览器会向网页所在服务器发出请求.当浏览器接收并显示网页前,此网页所在的服务器会返回一个包含HTTP状态码的信息头(server header)用以响应 ...
-
php设置http请求头信息和响应头信息
php设置http请求头信息和响应头信息 设置请求服务器的头信息可以用fsockopen,curl组件,header函数只能用来设置客户端响应的头信息,不能设置服务器的头信息. 例子; 一.head ...
-
动手学servlet(三) 请求头和响应头信息
获取请求头信息 package servletdemo; import java.io.IOException; import java.util.Enumeration; import javax. ...
-
HTTP协议请求头信息和响应头信息
阅读目录 http的请求部分 常用请头信息 常用响应头信息 http的请求部分 基本结构 请求行 GET /test/hello.html HTTP/1.1 消息头(并不是每一次请求都一样) 空行 ...
-
HTTP详解教程 / HTTP 响应头信息 HTTP 响应头信息
HTTP请求头提供了关于请求,响应或者其他的发送实体的信息. 在本章节中我们将具体来介绍HTTP响应头信息.直线电机哪家好 应答头 说明 Allow 服务器支持哪些请求方法(如GET.POST等). ...
随机推荐
-
c#批量插入数据库Demo
using System; using System.Collections.Generic; using System.Configuration; using System.Data; using ...
-
JS禁止选中文本方法
if (typeof(element.onselectstart) != "undefined") { // IE下禁止元素被选取 element.onselectstart = ...
-
(3)JSTL的fn方法库
fn:functions,fn之所以称之为方法库,是因为fn使用不像core,fmt标签那样遵循<prefix:tagName>的格式,而是遵循fn:methodName()的格式 < ...
-
欧拉工程第74题:Digit factorial chains
题目链接:https://projecteuler.net/problem=74 数字145有一个著名的性质:其所有位上数字的阶乘和等于它本身. 1! + 4! + 5! = 1 + 24 + 120 ...
-
RequireJs 深入理解
原文 http://www.tuicool.com/articles/jam2Anv RequireJs已经流行很久了,我们在项目中也打算使用它.它提供了以下功能: 声明不同js文件之间的依赖 可 ...
-
eclipse不能进入debug
首先说明一下.我肯定是以debug模式启动的.断点程序肯定能走到. 可是一点页面,程序就跳到class文件,而不是Java文件. 解决的方法是:window---preferences---tomca ...
-
PAT1097:Deduplication on a Linked List
1097. Deduplication on a Linked List (25) 时间限制 300 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 ...
-
Python并发编程
进程 相关概念 进程 进程(Process)是计算机中的程序关于某数据集合上的一次运行活动,是系统进行资源分配和调度的基本单位,是操作系统结构的基础.在早期面向进程设计的计算机结构中,进程是程序的基本 ...
-
Android的 EditText的inputType类型
android开发过程中突然发现的warning EditText 报出 “This text field does not specify an inputType or a hint” 原因: ...
-
mysql ERROR 1045 (28000): Access denied for user 可能解决方法分析
在实际登录redmine的过程中,我们遇到了如下的error ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using ...