这条语句有多表联查(join)、别名(alias)、字段(field)、数据限制(limit)、按序(order) 方法使用实例
$data = $this->alias(‘a‘)->field(‘a.*,a.create_time as au_create_time,a.status as au_status,a.project_id as au_project_id,p.*,r.*‘)->join(‘__PROJECT__ as p ON a.project_id = p.id‘)->join(‘__PROJECT_ROLE__ as r ON a.role_id = r.id‘)->where(array(‘a.uid‘=>$uid,‘a.is_delete‘=>0,‘a.status‘=>$s))->order(‘a.create_time DESC‘)->limit(6)->select();
原文:http://my.oschina.net/Majw/blog/512029