magento CURD操作

查询：

$model = Mage::getModel('mynews/mynews');
$collection = $model->getCollection();
$collection->addAttributeToSelect(array('name', 'image', 'url_key')) //选择要select的属性
　　->setPageSize(20)//获取的个数
　　->setCurPage(1)
　　->addAttributeToFilter('style', 'brass');//属性过滤 详细文档 http://justcoding.iteye.com/blog/1681318
　　->addAttributeToSort('name', 'ASC');//排序
$collection->getSize();
foreach($collection as $item){
   print_r($item->getData());
   print_r($item->getTitle());
}

创建：

$data = array('title'=>'hello there','content'=>'how are you? i am fine over here.','status'=>1);
$model = Mage::getModel('mynews/mynews')->setData($data);
try {
   $insertId = $model->save()->getId(); echo "Data successfully inserted. Insert ID:".$insertId;
} catch (Exception $e){
   echo $e->getMessage();
}

更新：

$id = 2;
$data = array('title'=>'hello test','content'=>'test how are you?','status'=>0);
$model = Mage::getModel('mynews/mynews')->load($id)->addData($data);
try {
   $model->save();
   echo "Data updated successfully.";
} catch (Exception $e){
   echo $e->getMessage();
}

删除：

$id = 3;
$model = Mage::getModel('mynews/mynews')->load($id);
try {
     $model->delete();
     echo "Data deleted successfully.";
} catch (Exception $e){
     echo $e->getMessage();
}