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This article introduces the relevant knowledge of "what are the basic methods of using STTP". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1) define request.

The request is represented by an immutable data structure RequestT, and its value can be represented by sttp.client.clientRequest and through the various methods it provides (cookie, body, responseAs...) To fine-tune the data of the reqeust object (including the returned response format).

2) send the request.

To send the request, you need an implicit object, backend. Most of the core work takes place in backend. Such as converting the request to a specific backend format, opening a HTTP connection, sending and receiving data, converting the received data to the response format of STTP, and so on.

Backend manages connection pooling, thread pooling that processes response, and supports streaming and websockets, depending on backend.

Requests can be sent synchronously with a return type of Response [T].

Requests can also be sent asynchronously with a return type of FutureResponse [T]. The return value of Monix backend is Task [Resonse [T]].

3) Responses

Response is an instance of case class Response [T], where T is the type of response body.

If there is a problem with connection, exception will be returned in the case of synchronous backend, which is failed future for async.

Use the .body: t method to get the response body.

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