【Drupal简易模块hello】
hello.info.yml：
```
name: Hello
type: module
description: Hello demo module.
core: 8.x
```
hello.routing.yml：
```
hello.url:
path: '/say_hello'
defaults:
_title: 'Hello Title'
_controller: '\Drupal\hello\Controller\HelloController::content'
requirements:
_permission: 'access content'
```
src/Controller/HelloController.php:
```
<?php
/**
* @file
* Contains \Drupal\hello\Controller.
*/
namespace Drupal\hello\Controller;
use Drupal\Core\Controller\ControllerBase;
class HelloController extends ControllerBase {
public function content() {
return array(
'#markup' => '' . t('Hello there!') . '',
);
}
}
```
【有Configure和Permissions的Drupal简易模块demo】
hello.info.yml：
```
name: Hello
type: module
description: Hello demo module.
configure: hello.url
core: 8.x
```
hello.routing.yml：
```
hello.url:
path: '/say_hello'
defaults:
_title: 'Hello Title'
_controller: '\Drupal\hello\Controller\HelloController::content'
requirements:
_permission: 'access content'
```
hello.permissions.yml：
```
permission demo 1:
title: 'permission demo 1'
permission demo 2:
title: 'permission demo 2'
permission demo 3:
title: 'permission demo 3'
```
src/Controller/HelloController.php:
```
<?php
/**
* @file
* Contains \Drupal\hello\Controller.
*/
namespace Drupal\hello\Controller;
use Drupal\Core\Controller\ControllerBase;
class HelloController extends ControllerBase {
public function content() {
return array(
'#markup' => '' . t('Hello there!') . '',
);
}
}
```
123
