Measuring open the road to one hundred twenty-eight: flask of 404 redirects and

 

 

a, b two views, respectively, of the page to return a page and b

 

 

 

 

Redirect: redirect

Route redirection to: request / a /, the redirected to / b /

 

 

 

Redirect to view function: url_for ( "function"), access to / a /, the redirect to function B ()

 

 

Voluntary Return 404: abort

 

 

 

Coding #: UTF-. 8 
from the Flask Flask Import, the render_template, the redirect, the url_for, ABORT 

App = the Flask (__ name__) 


active return visit # 404 / help / time 
@ app.route ( '/ help /') 
DEF req_help (): 
    ABORT (404) 


@ app.route ( "/ A /") 
DEF A (): 
    # return the render_template ( "a.html") 
    # return the redirect ( '/ B /') 
    return the redirect (the url_for ( 'B')) # The view routing address binding function name 


@ app.route ( "/ B /") 
DEF B (): 
    return the render_template ( "b.html") 


IF the __name__ == '__main__': 
    app.run (Debug = True)