tp 中左连接

[php]代码库

<?php

class ListAction extends Action{

    public function index(){
		import('Class.Category',APP_PATH);
		import('Class.Page',APP_PATH);
		
		$id = I('id');
		$cate = M('cate')->order('sort')->select();
		$cids = Category::getChildrenID($cate, $id);
		$cids[] = $id;
		
		$where = array('del' => 0, 'cid' => array('IN',$cids));
		$count = M('blog')->where($where)->count();
		$page = new Page($count,10);
		$limit = $page->firstRow . ',' .$page->listRows;

		$blog = D('BlogView')->getData($where,$limit);
	
		$this->blog = $blog;
		$this->page = $page->show();
		$this->display();
    }
}
?>


//自己编写的model

<?php

Class BlogViewModel extends ViewModel {

	Protected $viewFields= array(
		'blog' => array(
			'id', 'title', 'time', 'hits', 'notes',
			'_type' => 'LEFT'  //关联方式
			),
		'cate' => array(
			'name','_on' =>'blog.cid=cate.id'  //关联条件
			)
	);

	Public function getData($where, $limit) {
		return $this->where($where)->limit($limit)->order('time DESC')->select();
	}

}

?>