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tutorials: update vweb

pull/7764/head
Alexander Medvednikov 2020-12-31 17:31:17 +01:00
parent 2533c706ae
commit fa00f157ad
2 changed files with 13 additions and 11 deletions
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1
CHANGELOG.md
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@ -1,5 +1,6 @@
## V 0.2.2 ## V 0.2.2
*Not yet released* *Not yet released*
- `vweb` now uses struct embedding: `app.vweb.text('hello') => app.text('hello')`.
- Consts can now be declared outside of `const()` blocks: `const x = 0`. - Consts can now be declared outside of `const()` blocks: `const x = 0`.
## V 0.2.1 ## V 0.2.1

23
tutorials/building-a-simple-web-blog-with-vweb.md
View File

@ -62,8 +62,7 @@ module main
import vweb import vweb
struct App { struct App {
pub mut: vweb.Context
vweb vweb.Context
} }
fn main() { fn main() {
@ -71,7 +70,7 @@ fn main() {
} }
pub fn (mut app App) index() vweb.Result { pub fn (mut app App) index() vweb.Result {
app.vweb.text('Hello, world from vweb!') app.text('Hello, world from vweb!')
return vweb.Result{} return vweb.Result{}
} }
@ -98,7 +97,9 @@ Vweb helpfully provided a link, open http://localhost:8081/ in your browser:
The `App` struct is an entry point of our web application. If you have experience The `App` struct is an entry point of our web application. If you have experience
with an MVC web framework, you can think of it as a controller. (Vweb is with an MVC web framework, you can think of it as a controller. (Vweb is
not an MVC framework however.) not an MVC framework however.) It embeds the vweb Context object, that's why we get access
to methods like `.text()`.
As you can see, there are no routing rules. The `index()` action handles the `/` request by default. As you can see, there are no routing rules. The `index()` action handles the `/` request by default.
Vweb often uses convention over configuration and adding a new action requires Vweb often uses convention over configuration and adding a new action requires
@ -109,7 +110,7 @@ import vweb
import time import time
fn (mut app App) time() vweb.Result { fn (mut app App) time() vweb.Result {
app.vweb.text(time.now().format()) app.text(time.now().format())
return vweb.Result{} return vweb.Result{}
} }
``` ```
@ -319,7 +320,7 @@ bad queries will always be handled by the developer:
```v oksyntax ```v oksyntax
article := app.retrieve_article(10) or { article := app.retrieve_article(10) or {
app.vweb.text('Article not found') app.text('Article not found')
return return
} }
``` ```
@ -348,10 +349,10 @@ Create `new.html`:
import vweb import vweb
pub fn (mut app App) new_article() vweb.Result { pub fn (mut app App) new_article() vweb.Result {
title := app.vweb.form['title'] title := app.form['title']
text := app.vweb.form['text'] text := app.form['text']
if title == '' || text == '' { if title == '' || text == '' {
app.vweb.text('Empty text/title') app.text('Empty text/title')
return vweb.Result{} return vweb.Result{}
} }
article := Article{ article := Article{
@ -362,7 +363,7 @@ pub fn (mut app App) new_article() vweb.Result {
sql app.db { sql app.db {
insert article into Article insert article into Article
} }
app.vweb.redirect('/') app.redirect('/')
return vweb.Result{} return vweb.Result{}
} }
``` ```
@ -390,7 +391,7 @@ import json
pub fn (mut app App) articles() vweb.Result { pub fn (mut app App) articles() vweb.Result {
articles := app.find_all_articles() articles := app.find_all_articles()
app.vweb.json(json.encode(articles)) app.json(json.encode(articles))
return vweb.Result{} return vweb.Result{}
} }
``` ```