摘要:
## 分组检验 场景: 如新增id必需为空(数据库自增id), 修改id必需不为空 ### 1.在实体类中新建接口作为分组,字段添加分组注解 ```java public class Employee { public interface Add{} public interface Update{ 阅读全文
摘要:
The Properties class represents a persistent set of properties. The Properties can be saved to a stream or loaded from a stream. Each key and its corr 阅读全文