yii模块下面的组件

模块的定义就不写了，直接进入主题看目录和文件：

application/modules/client/controllers/UserController.php

<?php

class UserController extends ClientController
{
    public function init()
    {
        parent::init();
    }

    public function actionIndex()
    {
        $userid = $this->user->userid;
        $test = $this->user->test;
        $test1 = $this->user->test();
        exit('xx');
    }

$this->user找不到，它会去ClientController中找

application/modules/client/components/ClientController.php

<?php
class ClientController extends CController
{ 
    public function init()
    {
        header('Content-type:text/html;charset=utf-8');
        Yii::import('ext.functions', true); //加载公共函数
        //$this->getUserId();   
    }
    public function __get($name)
    {
        return Yii::app()->client->$name;
    }

找到__get（$name）方法，返回的是全局的client组件

application/config/main.php

<?php

……

'components'=>array(
            'client' => array(
                   'class' => 'application.modules.client.components.Client',
            ),
……
),

配置好client组件，然后指定到

application/modules/client/components/Client.php

<?php

use Yii;

class Client extends ApiComponent
{
    
    private static $_params;
    
    private $_components;
    
    private $_propertys;
    
    private static $instance;
    
    public function __construct()
    {
        self::$instance =& $this;
    }
    
    public static function &getInstance()
    {
        return self::$instance;
    }
    
    public function init()
    {

    }
    
    
    /**
     * 是否是组件
     * 
     * @param string $id
     * @return bool
     */
    public function hasComponent($id)
    {
        return isset(self::$_coreComponents[$id]);
    }
    
    /**
     * 获取组件
     * @param string $id
     */
    public function getComponent($id)
    {
        if (isset($this->_components[$id]))
        {
            return $this->_components[$id];
        }
        
        if (isset(self::$_coreComponents[$id]))
        {
            $component = Yii::createComponent(self::$_coreComponents[$id]);
            $component->owner = $this;
            $component->init();
            $this->_components[$id] = $component;
            return $component;
        }
    }
    
    /**
     * 
     * @param integer $id
     */
    public function HasProperty($id)
    {
        return isset(self::$_propertysMap[$id]);
    }
    
    /**
     * 获取属性
     * @param string $id
     */
    public function getProperty($id)
    {
        if (isset($this->_propertys[$id]))
        {
            return $this->_propertys[$id];
        }
    
        if (isset(self::$_propertysMap[$id]))
        {
            list($component, $key) = explode('.', self::$_propertysMap[$id]);
            $this->_propertys[$id] = $this->$component->$key;
        }
        return $this->_propertys[$id];
    }
    
    /**
     * 设置属性
     */
    public function setProperty($id, $value)
    {
        if (isset(self::$_propertysMap[$id]))
        {
            list($component, $key) = explode('.', self::$_propertysMap[$id]);
            $this->$component->$key = $value;
        }
    }
    
    /**
     * 清除缓存
     * @param string $id
     */
    public function clearProperty($id)
    {
        unset($this->_propertys[$id]);
    }
    
    /**
     * (non-PHPdoc)
     * @see companycomponents.CompanyComponent::__get()
     */
    public function __get($name)
    {
        //组件
        if ($this->hasComponent($name))
        {
            return $this->getComponent($name);
        }
    
        //属性
        if ($this->HasProperty($name))
        {
            return $this->getProperty($name);
        }
    
        return parent::__get($name);
    }
    
    /**
     * 
     * @param unknown_type $name
     * @param unknown_type $value
     */
    public function __set($name, $value)
    {
        //属性
        if ($this->HasProperty($name))
        {
            return $this->setProperty($name, $value);
        }
        
        return parent::__set($name, $value);
    }
    
    public function __call($name, $parameters)
    {
        return parent::__call($name, $parameters);
    }
    
    private static $_coreComponents = array(
        'user' => array(
            'class' => 'application.modules.client.components.User'
        ),
    );
    
    private static $_propertysMap = array(
        'userid'            => 'user.userid',
    );
    
}

可以从中看到定义好的user组件以及快捷获取user组件下面的userid属性

application/modules/client/components/user.php

<?php

class User extends ApiComponent
{
    function getXzcoin()
    {
        
    }
    
    function getTest()
    {
        var_dump('safafaf');
        return '1';
        
    }
    
    function Test($name = 0){
        echo $name;19         return 'test';
    }
    
    function getUserid(){
        echo '222';
        return '2';
    }
}

以及用到的application/modules/client/components/ApiComponent.php

<?php

use CComponent;

abstract class ApiComponent extends CComponent
{
    
    public $owner;
    
    protected $_is;
    
    protected $_g;
    
    protected $_cacheGetter    = TRUE;
    
    public function init()
    {
        
    }
    
    /**
     * 
     * @param unknown_type $name
     */
    public function __get($name)
    {
        if (strncasecmp($name, 'is', 2) === 0 && method_exists($this, $name))
        {
            $name = strtolower($name);
            if ( ! isset($this->_is[$name]))
            {
                $this->_is[$name] = $this->$name();
            }
            return $this->_is[$name];
        }
        
        $getter = 'get' . ucfirst($name);
        
        if (method_exists($this, $getter))
        {
            if ($this->_cacheGetter)
            {
                if (isset($this->_g[$name]))
                {
                    return $this->_g[$name];
                }
                $this->_g[$name] = $this->$getter();
                return $this->_g[$name];
            }
            
            return $this->$getter();
        }
            
        return parent::__get($name);
    }
    
    /**
     * 
     * @throws Exception
     */
    public function throwException($message, $code = 0)
    {
        throw new Exception($message, $code);
    }
    
}

完毕。