Interface test practice | Detailed explanation of the difference between GET / POST requests

1. The method of the request line is different;
2. POST can attach body, and can support various data formats such as form, json, xml, binary, etc.;
3. From the perspective of general industry specifications,GET request is recommended for no state change, and POST request is recommended for data writing and status;
In order to avoid the interference of other factors, use Flask to write a simple Demo Server.
4. Install flask
5. Create a hello.py file
hello.py
6. Start the service
If the following information is prompted, the build is successful.
Initiate a GET request, send the a and b parameters into the URL, and save them in the get file:
Initiate a POST request, send the a and b parameters in form-data format, and save them in the post file:
Note: The right side of the > is the request content, and the left side of the < is the response content.
GET request process
POST request process
Compare the two files:

It can be clearly seen from the figure that the method of the GET request is GET, and the method of the POST request is POST. In addition, the GET request does not have the fields Content-Type and Content-Length, and the URL in the request line contains queryparameter, which is a format allowed for both requests.(End)

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