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自定义注解

现有a，b两表 a表数据 b表数据 a表数据 b表数据sql：// 1SELECT a.* FROM a aLEFT JOIN b b ON (b...

/** * @Description 获取串的hashcode * @Param UUID * @author zxc * @date 2021/4/30 10:51 上午 */ public Long getId(String UUID){ Integer userId=UUID.toString().hashCode(); //String.hashCode()可能会是负数，如果为负数需要转换为正数 .

public Integer getAge(Date birthday){ LocalDate now = LocalDate.now(); int nowYear = now.getYear(); int nowMonth = now.getMonthValue(); int nowDayOfMonth = now.getDayOfMonth(); LocalDate birth = birthday.toInstant().