復制代碼 代碼如下:

select a.man_id,man_name,d.sex_name,zw_name,c.money
from man as a
left join zw as b on a.zw_id=b.zw_id
left join zw as c on a.man_id=c.man_id -- 同時關聯zw字段，通過表別名區別開
left join xb as d on c.sex_id=d.sex_id