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 avatar commented on July 4, 2024

{"workerBits":23,"timeBits":31,"seqBits":9}

int workerIdShift = 9;//seqBits=9
int workerId = 52;//work node id
int timestampShift = 32;// protected int workerBits = 23; seqBits = 9; workerBits + seqBits
long beginId = 1672416000000L;//当前时间
while (true) {
long currentSeconds = TimeUnit.MILLISECONDS.toSeconds(beginId);
long epochSeconds = TimeUnit.MILLISECONDS.toSeconds(1545667200000L);//2018/12/25 0:0:0
long deltaSeconds = currentSeconds - epochSeconds;
long id = deltaSeconds << timestampShift | (workerId << workerIdShift) | 0L;
System.out.println("时间:" + beginId);
System.out.println("id" + id);
if (id <= 9223372036854775807L && id > 0) {
System.out.println("继续");
beginId += 1000 * 60 * 60 * 24;
} else {
System.out.println("停止");
break;
}
}

可用时间:3693139200000 (2087/1/13 0:0:0)ID = 9223322009075738624

from uid-generator.

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