亲测实例：
1级排序：同城>异城
2级排序：未领养>以领养
3级排序：发布最新靠前
MYSQL语句如下：
SELECT ura.id,ura.city,ura.uid,ura.rescue_name,ura.address,pa.status as pet_adopt_status,pa.name as pet_adopt_name,pa.add_time as pet_adopt_add_time FROM pet_adopt AS pa LEFT JOIN user_rescue_auth AS
