HTTP

0x00 HTTP Method Definitions

HTTP请求方法在1.1中定义如下，具体可以查看协议，go

0x01 OPTIONS

The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI
OPTIONS方法用于获取指定URI请求或响应通信链上的有关通信选项信息。

0x02 GET

The GET method means retrieve whatever information (in the form of an entity) is identified by the Request-URI
GET方法用于检索或获取服务器上的指定的资源。

0x03 HEAD

The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response.
HEAD方法和GET方法的区别在于，请求的响应中不保护消息体，只返回请求响应头。

0x04 POST

The POST method is used to request that the origin server accept the entity enclosed in the request as a new subordinate of the resource identified by the Request-URI in the Request-Line.
POST方法用于请求源服务器接收到的请求实体中URL指定资源标识的下一级资源。
相当于请求一个更具体的数据，比如说，你的URI代表了资源的一个集合，POST就会根据请求体中的数据去取这个集合中的数据／部分数据。

0x05 PUT

The PUT method requests that the enclosed entity be stored under the supplied Request-URI.
PUT方法用于通过指定的URI去存储请求中携带的数据

0X06 DELETE

The DELETE method requests that the origin server delete the resource identified by the Request-URI.
DELETE方法用于删除服务器指定URI的资源。

0x07 TRACR

The TRACE method is used to invoke a remote, application-layer loop- back of the request message.
TRACE方法用于诊断指定的URI请求原始报文是否被修改，或损坏。

0x08 CONNECT

CONNECT方法是用于保留与可动态切换为隧道的代理一起使用的链接。

另附上一篇解释比较好的文章，传送门