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PHP 基于Yii框架中使用smarty模板的方法详解_php技巧

May 17, 2016 am 09:01 AM
php yii framework

第一种方法
按照YII系统的办法生成视图觉得有点麻烦,觉得用smarty更省事。尝试着把smarty模板加进来了。
复制代码 代码如下:

date_default_timezone_set("PRC");
class PlaceController extends CController {
protected $_smarty;
function __construct(){
parent::__construct('place');//需要一个参数来调用父类的构造函数,该参数为控制器ID
$path = Yii::getPathOfAlias('application');//获得protected文件夹的绝对路径
include (dirname($path).DIRECTORY_SEPARATOR.'Smarty'.DIRECTORY_SEPARATOR.'Smarty.class.php');//smarty所在路径
$this->_smarty = new Smarty();
$this->_smarty->template_dir = dirname($path).DIRECTORY_SEPARATOR.'template'.DIRECTORY_SEPARATOR;//模板路径
}

主要一个问题是自动加载类执行冲突的问题
YII注册了一个自动加载类spl_autoload_register(array('YiiBase','autoload')),SMARTY也注册了一个自动加载类,spl_autoload_register('smartyAutoload'),YII 注册在前,这样在遇到一个类名的时候,先执行的是YII的自定义自动加载类的函数,对应SMARTY里的每个类名而言,也是先调用YII的自动加载类的函 数,但是如果不符合YII自动加载的条件的话,就会执行SMARTY的自动加载类的函数,然而,SMARTY的类名在自动加载类的时候,确符合了YII自 动加载类的逻辑语句,结果就是YII使用Include语句要包含的类肯定找不到。
解决的办法是:当SMARTY的类自动加载的时候,跳出在YII定义的自动加载函数,这样就会执行SMARTY的加载函数。
具体实现是,修改YIIBase类里面的autoload函数,增加如下代码
复制代码 代码如下:

public static function autoload($className)
{
// use include so that the error PHP file may appear
if(preg_match('/smarty/i', $className)){      //只要类名包含smarty的,无论大小写,都返回,这样就跳出了YII自动加载类而去执行                                                                                  SMARTY的自动加载类函数了
return;
}
             YII自动加载类代码
}

这样就可以在每个Action里使用smarty模板了。
复制代码 代码如下:

public function actionIndex(){
$this->_smarty->assign('test', '测试');
$this->_smarty->display('create.html');
}

第二种方法:
在protected下的extensions文件夹放入smarty模板插件,并建立CSmarty类文件,内容如下
复制代码 代码如下:

require_once(Yii::getPathOfAlias('application.extensions.smarty').DIRECTORY_SEPARATOR.'Smarty.class.php'); 
    define('SMARTY_VIEW_DIR', Yii::getPathOfAlias('application.views')); 

    class CSmarty extends Smarty { 
        const DIR_SEP = DIRECTORY_SEPARATOR; 
        function __construct() { 
            parent::__construct(); 

            $this->template_dir = SMARTY_VIEW_DIR; 
            $this->compile_dir = SMARTY_VIEW_DIR.self::DIR_SEP.'template_c'; 
            $this->caching = true; 
            $this->cache_dir = SMARTY_VIEW_DIR.self::DIR_SEP.'cache'; 
            $this->left_delimiter  =  ''; 
            $this->cache_lifetime = 3600; 
        } 
        function init() {} 
    } 
    ?>

然后建立samrty所需的template_c,cache等文件夹。
接下来是配置部分
打开protected/config/main.php在components数组中加入
复制代码 代码如下:

'smarty'=>array(
    'class'=>'application.extensions.CSmarty',
),

最后在action中直接用Yii::app()->smarty就可以试用smarty了。如果每次在action中使用Yii::app()->smarty比较麻烦的话,可以在components下的Controller中可以加入
复制代码 代码如下:

protected $smarty = '';
protected function init() {
       $this->smarty = Yii::app()->smarty;
 }

然后在action中就直接可以用$this->smarty使用smarty了。
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