Flask development records

Source: Internet
Author: User

From flask import request

Method Determination

Request. Method 'post', 'get'

 

Get Form Content

Request. Form ['form _ name']

 

Obtain URL parameters

(? Key = value) request. args. Get ('key ','')

Request. ARGs ["url"]

 

Obtain uploaded files

Make sure to set the 'enctype = "multipart/form-Data" 'attribute in the HTML form, F = request. files ['the _ file'], from werkzeug import secure_filename, file_name = secure_filename (F. filename)

 

Retrieve cookies

Request. Cookies. Get ('cook _ name ')

Request. Cookies ['cook _ name']

 

Set cookies

Resp = make_response (render_template (...), rep. set_cookie ('key', 'value ')

---------------------------------------------------

Res = app. make_response ('Hello LG ')
Res. set_cookie ('username', value = 'lgphp', max_age = 20000)

----------------------------------------------------------------------

Delete cooikes

Res = app. make_response (render_template (...))

Res. delete_cookie ('username') is optional.

Res. set_cookie ('username', value = 'lgphp', expires = 0)

 

 

Determine whether a cookie exists?

If (request. Cookies ):

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