First, the test object: v2ex of api
Documentation: https: www.v2ex.com/p/7vpTEc53
api：https://www.v2ex.com/api/topic/hot.json
The hottest topic: the equivalent of the contents of each of the 10 on the right side of the home page
Method：GET
Authentication：None
Two, http request
Is the HTTP message exchange of data between server and client
There are two types of messages
- Request - by the client operation starting on a server for transmitting
- Response - a response from the server
Reference: https: //developer.mozilla.org/zh-CN/docs/Web/HTTP/Messages
Third, constitute http request
1, the start line (line containing starting components 3) POST / HTTP / 1.1
- An HTTP method, a verb (as GET, PUT or POST) or a noun (like the OPTIONS or HEAD), describe the action to be performed
- Request destination (request target), typically a URL, protocol or an absolute path, and the domain name of the port, to request the environment generally characterized
- HTTP version (HTTP Version), defines the structure of the remaining messages, as desired influence indicator version
2、Headers
- HTTP headers from the request follows the same header and HTTP basic structure: a case-insensitive string, followed by a colon (:) and a value dependent on the structure of the header. The entire header (including the value) by a single line, the line can be quite long
3、Body
- The last part of the request is its body
- Not all requests have a body: for example, access to resources request, GET, HEAD, DELETE and OPTIONS, usually they do not need body
- Some requests to the server to send data to the update data: often the case that a POST request (containing HTML form data)