数据库在中显示1或2，在程序中代表不同状态

Posted 2020-10-02 都一样

select case when H=1 then ‘在售‘
when H=2 then ‘售完‘ end
as H from HH



select * from HH
--case when then end


select HID，case H when 1 then  ‘在售‘
when 2 then ‘售完‘ end as HHu from HH