HelloWorld ?? ? ??? ??

??? HelloWorld ??? ???? ?? ???? ?????:

1. ?? ?? XML:

   • app/modules? MyCompanyName_HelloWorld.xml??? XML ??? ?????.
   • ??? ?? ??? ?????.

   <config>
       <modules>
           <MyCompanyName_HelloWorld>
               <active>true</active>
               <codePool>local</codePool>
           </MyCompanyName_HelloWorld>
       </modules>
   </config>

2. ?? ???:

   • ??? etc/config.xml ??? ?? ??? ?????.

   <config>
       <frontend>
           <routers>
               <helloworld>
                   <use>standard</use>
                   <args>
                       <module>MyCompanyName_HelloWorld</module>
                       <frontName>helloworld</frontName>
                   </args>
               </helloworld>
           </routers>
       </frontend>
   </config>

3. FrontName ???? ???:

   • In app/code/local/MyCompanyName/HelloWorld/controllers?? IndexController.php?? ??? ?????.
   • ??? ?? ??? ?????:

   class MyCompanyName_HelloWorld_IndexController extends Mage_Core_Controller_Front_Action {
       public function indexAction() {
           echo "Hello World";
       }
   }

4. ???? ??:

   • ??? >?? ?????. ?? ?? ?????? ??? ?? ????.

???? ? ?? ?? ?? ??

? ?????? ???? ??:

1. ???? ??:

   • app/code/local/MyCompanyName/? ShowRowController.php?? ? ??? ?????. HelloWorld/controllers.
   • ?? ??? ??:

   class MyCompanyName_HelloWorld_ShowRowController extends Mage_Core_Controller_Front_Action {
       public function indexAction() {
           $row = Mage::getModel('mymodel/mymodel')->load(10);
           echo $row->getData('id');
       }
   }

2. ??? ??(??? ??):

   • ?? ??? ??? ?????. etc/config.xml:

   <config>
       <frontend>
           <routers>
               <helloworld>
                   <use>standard</use>
                   <args>
                       <module>MyCompanyName_HelloWorld</module>
                       <frontName>helloworld</frontName>
                   </args>
               </helloworld>
               <show_row>
                   <use>standard</use>
                   <args>
                       <module>MyCompanyName_HelloWorld</module>
                       <frontName>show_row</frontName>
                   </args>
               </show_row>
           </routers>
       </frontend>
   </config>

3. ?? ??:

   • MyModel??? ? ??? ?????. app/code/local/MyCompanyName/HelloWorld/Model? php.
   • ?? ??? ?? ??:

   class MyCompanyName_HelloWorld_Model_MyModel extends Mage_Core_Model_Abstract {
       protected function _construct() {
           $this->_init('mymodel/mymodel');
       }
   }

4. ?? ?? ??:

   • ??? ?? ?????? ??? ?? ????.

SQL ?? ??

Magento??? ?? SQL ??? ???? ?? ????? ???? ??? ?? ??? ???? ? ????. ???? ?????. ?:

$articles = Mage::getModel('articles/articles')->getCollection();
foreach ($articles as $article) {
    if ($article->getId() == 10) {

? ??? Magento?? HelloWorld ??? ???? ??? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!