Python-flask Foundation

Get Request:

Usage Scenario: If you only get data for the server and do not have any impact on the server, then use a GET request at this time .

parameter:The Get request is placed in the URL , and is passed '? ' To specify key and value in the form of the

Post Request:

Usage Scenario: If you want to have an impact on the server, use the post request

Reference:the post request parameter is not placed in the URL , it is sent to the server via ' form data '

Get and post requests get parameters:

Get requests are obtained through ' Flask.request.args '

The POST request is obtained by ' Flask.request.form '

hook function (hook):

Befor_request:

1. Executed before the request
2. is performed before the view function.
3. is an adorner that can put the code that needs to be set as a hook function before the view function executes

Python-flask Foundation