The difference and use between get request and post request

As a front-end development , HTTP Medium POST Request and GET Requests are often used , Some people may know , But its principle and how to use it are not particularly clear , Today, let's talk about the difference between the two and how to use them .

GET Request and POST Differences in requests

1、 GET request ： GET As the name suggests, requests are used to obtain information . Its essence is to send a request to get a resource on the server . Resources go through a set of HTTP Header and render data （ Such as HTML Text , Or pictures or videos ） Return to the client .

2、 POST request ： POST The request is similar to a letter, and the parameters are transmitted in an envelope . Its essence is to transmit data like a server . It is used to send data to the server to create or update resources .

How to use GET Request and POST request

Here we use Eolink Let me show you how to use GET Request and POST request .

1、 GET Use of request choice GET request , Input url , Add parameters to the request parameters , url This information will be automatically supplemented , Click Send , When the return parameter is 200 , It indicates that the interface operation is successful , You can view the returned results in the returned results .

In fact for GET request , The browser will http header and data Send along , Server response 200 ( Return the data ), But the operation will not show , The page will only display the response data and return results .

Tips: , stay POST Throughout the request , Including the browser sending first header , Server response 100 continue , The browser sends data , Server response 200 ok （ Return the data ）, Although the display page will not be displayed , But the request process includes the above steps .

The interface management tool used in the figure is Eolink , It supports HTTP 、 HTTPS 、 WS 、 WSS And other commonly used protocols , If you are interested, you can use it by yourself ：www.eolink.com