|
|
|
@ -126,7 +126,7 @@ Modern web applications have beautiful URLs. This helps people remember
|
|
|
|
|
the URLs which is especially handy for applications that are used from |
|
|
|
|
mobile devices with slower network connections. If the user can directly |
|
|
|
|
go to the desired page without having to hit the index page it is more |
|
|
|
|
likely he will like the page and come back next time. |
|
|
|
|
likely he or she will like the page and come back next time. |
|
|
|
|
|
|
|
|
|
As you have seen above, the :meth:`~flask.Flask.route` decorator is used |
|
|
|
|
to bind a function to a URL. Here are some basic examples:: |
|
|
|
@ -615,7 +615,7 @@ code use the :func:`~flask.abort` function. Here an example how this works::
|
|
|
|
|
this_is_never_executed() |
|
|
|
|
|
|
|
|
|
This is a rather pointless example because a user will be redirected from |
|
|
|
|
the index to a page he cannot access (401 means access denied) but it |
|
|
|
|
the index to a page he or she cannot access (401 means access denied) but it |
|
|
|
|
shows how that works. |
|
|
|
|
|
|
|
|
|
By default a black and white error page is shown for each error code. If |
|
|
|
@ -642,7 +642,7 @@ Besides the request object there is also a second object called
|
|
|
|
|
user from one request to the next. This is implemented on top of cookies |
|
|
|
|
for you and signs the cookies cryptographically. What this means is that |
|
|
|
|
the user could look at the contents of your cookie but not modify it, |
|
|
|
|
unless he knows the secret key used for signing. |
|
|
|
|
unless he or she knows the secret key used for signing. |
|
|
|
|
|
|
|
|
|
In order to use sessions you have to set a secret key. Here is how |
|
|
|
|
sessions work:: |
|
|
|
@ -698,7 +698,7 @@ Message Flashing
|
|
|
|
|
---------------- |
|
|
|
|
|
|
|
|
|
Good applications and user interfaces are all about feedback. If the user |
|
|
|
|
does not get enough feedback he will probably end up hating the |
|
|
|
|
does not get enough feedback he or she will probably end up hating the |
|
|
|
|
application. Flask provides a really simple way to give feedback to a |
|
|
|
|
user with the flashing system. The flashing system basically makes it |
|
|
|
|
possible to record a message at the end of a request and access it next |
|
|
|
|