thinkPHP多表联合查询

1、原生查询示例：

1	$Model = new Model();

2	$sql = 'select a.id,a.title,b.content from think_test1 as a, think_test2 as b where a.id=b.id '.$map.' order by a.id '.$sort.' limit '.$p->firstRow.','.$p->listRows;

3	$voList = $Model->query($sql);

2、join()方法示例：

1	$user = new Model('user');

2	$list = $user->join('RIGHT JOIN user_profile ON user_stats.id = user_profile.typeid' );

3、table()方法示例：

1	$list = $user->table('user_status stats, user_profile profile')->where('stats.id = profile.typeid')->field('stats.id as id, stats.display as display, profile.title as title,profile.content as content')->order('stats.id desc' )->select();