Cactiveform DropDownList linkage effect in the YII framework of PHP

On the view side:

 <?php echo  $form->labelex ($model,  ' test '); ?>         <?php echo chtml::d ropdownlist (' Province ', ', ', Array (' Province ', 1=> ' Guangdong ',  2=> ' Guangxi '),      array (         ' ajax ' = >array (             ' type ' = ' POST ',              ' URL ' =>yii::app ()->createurl (' site/ Getcity '),             ' update ' = ' #city ',               ' data ' =>array (' province ' = ' js:$ ' ( "#province"). Val () '),        )     ); ?>         <?phpecho chtml::d ropdownlist (' City ', ' ", Array (' City ')) ;? >

On the controller side

Public Function actiongetcity () {if (!        Yii::app ()->request->isajaxrequest) throw new chttpexception (404);        $province = (int) $_post[' province '];        $data =array (1=>array (1=> ' Guangzhou ', ' Shenzhen ', ' Dongguan ', ' Foshan '), 2=>array (1=> ' Guilin ', ' nanning ', ' Yulin ')); if (Isset ($data [$province])) {foreach ($data [$province]as$value=> $name) {echo chtml::tag (' option ', Array (' value ' =    > $value), Chtml::encode ($name), true);    }}else{Echo chtml::tag (' option ', Array (' value ' = = '), ' city ', true); }    }

This article is from the "Java White Battlefield" blog, be sure to keep this source http://8023java.blog.51cto.com/10117207/1748803

Cactiveform DropDownList linkage effect in the YII framework of PHP