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tutorials: update the vweb tutorial with the new form parsing syntax

pull/12154/head
Alexander Medvednikov 2021-10-12 07:17:49 +03:00
parent da58ba0d5c
commit 555e8cada6
1 changed files with 8 additions and 9 deletions
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17
tutorials/building_a_simple_web_blog_with_vweb/README.md
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@ -1,4 +1,4 @@
## Building a 150 KB web blog in V with 0 dependencies
## Building a 150 KB web blog in V & SQLite
Hello,
@ -348,10 +348,9 @@ Create `new.html`:
```v ignore
// article.v
import vweb
['/new_article'; post]
pub fn (mut app App) new_article() vweb.Result {
title := app.form['title']
text := app.form['text']
[post]
pub fn (mut app App) new_article(title string, text form) vweb.Result {
if title == '' || text == '' {
return app.text('Empty text/title')
}
@ -367,11 +366,11 @@ pub fn (mut app App) new_article() vweb.Result {
}
```
> Untyped `form['key']` is temporary. Very soon Vweb will accept query and form
parameters via function arguments: `new_article(title, text string) {`.
The decorator on our function tells vweb that it is an HTTP POST type operation.
The decorator on our function tells vweb the path to our endpoint, `/new_article`,
and that it is an HTTP POST type operation.
This time Vweb parses the HTTP form and assigns correct values with correct types to
function arguments, which saves a lot of typing (e.g. `title := app.form['title']` is
not necessary).
We need to update `index.html` to add a link to the "new article" page: