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 |  |  | import org.springframework.test.context.junit4.SpringRunner; | 
 |  |  |  | 
 |  |  | import javax.annotation.Resource; | 
 |  |  | import java.time.Instant; | 
 |  |  | import java.time.LocalDateTime; | 
 |  |  | import java.time.ZoneOffset; | 
 |  |  | import java.time.temporal.TemporalAccessor; | 
 |  |  | import java.util.Date; | 
 |  |  |  | 
 |  |  |  | 
 |  |  | 
 |  |  |              *     * 7其他报警;可以为直接组合如12为电话报警或 设备报警- | 
 |  |  |              */ | 
 |  |  |             deviceAlarm.setAlarmMethod((int)(Math.random()*7 + 1) + ""); | 
 |  |  |             Date date = randomDate("2021-01-01 00:00:00", "2021-06-01 00:00:00"); | 
 |  |  |             deviceAlarm.setAlarmTime(DateUtil.format.format(date)); | 
 |  |  |             Instant date = randomDate("2021-01-01 00:00:00", "2021-06-01 00:00:00"); | 
 |  |  |             deviceAlarm.setAlarmTime(DateUtil.formatter.format(date)); | 
 |  |  |             /** | 
 |  |  |              * 报警级别, 1为一级警情, 2为二级警情, 3为三级警情, 4为四级 警情- | 
 |  |  |              */ | 
 |  |  | 
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 |  |  |  | 
 |  |  |  | 
 |  |  |     private Date randomDate(String beginDate, String endDate) { | 
 |  |  |     private Instant randomDate(String beginDate, String endDate) { | 
 |  |  |         try { | 
 |  |  |  | 
 |  |  |             Date start = DateUtil.format.parse(beginDate);//构造开始日期 | 
 |  |  |             Date end = DateUtil.format.parse(endDate);//构造结束日期 | 
 |  |  |             //构造开始日期 | 
 |  |  |             LocalDateTime start = LocalDateTime.parse(beginDate, DateUtil.formatter); | 
 |  |  |  | 
 |  |  |             //构造结束日期 | 
 |  |  |             LocalDateTime end = LocalDateTime.parse(endDate, DateUtil.formatter); | 
 |  |  |             //getTime()表示返回自 1970 年 1 月 1 日 00:00:00 GMT 以来此 Date 对象表示的毫秒数。 | 
 |  |  |             if (start.getTime() >= end.getTime()) { | 
 |  |  |             if (start.isAfter(end)) { | 
 |  |  |                 return null; | 
 |  |  |             } | 
 |  |  |             long date = random(start.getTime(), end.getTime()); | 
 |  |  |             return new Date(date); | 
 |  |  |             long date = random(start.toInstant(ZoneOffset.of("+8")).toEpochMilli(), end.toInstant(ZoneOffset.of("+8")).toEpochMilli()); | 
 |  |  |             return Instant.ofEpochMilli(date); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } |