//表连接，查询出学生、班级、校区、记录表的所有数据
		$data=Jf_record::find()
		->join('join','jf_stu','jf_record.sid=jf_stu.sid')
		->join('join','jf_class','jf_stu.cid=jf_class.cid')
		->join('join','jf_school','jf_class.xid=jf_school.xid')
		->select('*')
		->where(['jf_record.re_id'=>$re_id])
		->asArray()
		->one();
		echo $data['sname'].'<br>';
		echo $data['sex'].'<br>';
		echo $data['rtime'].'<br>';
		echo $data['cname'].'<br>';
		echo $data['school'].'<br>';
		die;