create custom module

发表于

理解

Examples module, Symfony, Controllers, and the Menu
Blocks, Configuration, and Forms
Configuration forms and management
Entities, Content Entities, and Configuration Entities
Entity queries , loading entities , editing fields
Services, dependency injection, and service containers

hooks

hook_help

修改输出帮助信息。

  1. module help
  2. 指定页面help

hook_toolbar

添加item到toolbar容器。

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$items['commerce'] = array(
 '#type' => 'toolbar_item',
 'tab' => array(
   '#type' => 'link',
   '#title' => t('Shopping cart'),
   '#url' => Url::fromRoute('cart'),
   '#options' => array(
     'attributes' => array(
       'title' => t('Shopping cart'),
     ),
   ),
 ),
 'tray' => array(
   '#heading' => t('Shopping cart actions'),
   'shopping_cart' => array(
     '#theme' => 'item_list',
     '#items' => array(/* An item list renderable array */),
   ),
 ),
 '#weight' => 150,
);

hook_mail

根据参数构建mail内容

hook_mail_alter

根据条件不发送mail等