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Java Service 接口返回的应该是大类型还是小类型
elliotloststh
·
Jul 24, 2020
· 1175 views
This topic created in 2150 days ago, the information mentioned may be changed or developed.
如题,本人新程序员,前辈说都该用大类型( Integer ),我觉得用小类型(基本类型 int ),不然岂不是判空等都要到 controller 层判断?望各位解惑
类型
判空
integer
int
2 replies
•
2020-07-25 00:02:21 +08:00
1
HuHui
Jul 24, 2020 via Android
看业务
2
wdlth
Jul 25, 2020
VO 要用包装类型,Controller 判断可以用 JSR-303,在 VO 上加注解。
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