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This article is to share with you about the difference between GET and POST in the Http message format. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

HTTP is a protocol based on TCP/IP about how data communicates on the World wide Web.

The HTTP message consists of four parts: the request line, the request header, the blank line and the request data.

Request line: including request method field (POST, GET, etc.) URL field, HTTP version protocol field. For example, GET / index.html HTTP/1.1

Request header: consists of keyword / key-value pairs, mainly the header notifies the server of the information about the customer request.

Blank line: there is a blank line after the request header, notifying the server that there is no more request header below.

Request data: request data is no longer used in the GET method but is used in the POST method. POST is suitable for situations where the customer is required to fill out the form.

The request method includes: GET, POST, HEAD, PUT, DELETE, OPTIONS, TRACE, CONNECT.

The difference between GET and POST?

GET is a request to get the specified resource, the get method is secure and cacheable, and the body of the get message does not have any semantics.

POST processes the specified data according to the body of the message. POST is not secure and cannot be cached.

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