zhong_bao的博客

**全局异常处理**（1）异常定义GlobalException：@Datapublic class GlobalException extends Exception { private int code; public GlobalException(String message, int code) { super(message); this.code = code; } public GlobalEx...

不可取写法（正常在切面不要轻易去捕获异常，不然全局异常捕获不了）：@Component@Aspectpublic class MethodTimeAspect { private Logger logger = LoggerFactory.getLogger(MethodTimeAspect.class); @Around("execution(* com.zhongbao.controller.*Controller.*(..))") public Object arou

自从接触了JPA，就对立面的级联操作很费解，特此做一下学习。JPA提供的Entity级联可以建立一对一、一对多、多对多的关系，覆盖查询、保存、刷新、删除等操作。（1）一对一，@OneToOneTUser与TGender成一对一关系@Entity@Data@Table(name = "user",schema = "hr")@JsonIgnoreProperties(value = {"handler","hibernateLazyInitializer","fieldHandler"})@Js