iBATIS多表查询的问题

2025-03-05 23:56:49
推荐回答(2个)
回答(1):

resultMap = "java.util.HashMap"

sql这么写:
select sum(odd_price) sumoddprice,odr_customer_id custid
from sal_order join orders_line
on odd_order_id=odr_id
group by odd_order_id

然后用hashMap。get*** 取值

回答(2):

下面写的可对?我也求此问题答案