高并发id生产策略

Posted 2022-07-30 xjatj

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<!-- 顺序UUID -->
      <dependency>
         <groupId>com.fasterxml.uuid</groupId>
         <artifactId>java-uuid-generator</artifactId>
         <version>3.1.4</version>
      </dependency>


import com.fasterxml.uuid.EthernetAddress;
import com.fasterxml.uuid.Generators;
import com.fasterxml.uuid.impl.TimeBasedGenerator;

public class KeyUtil 

    public static String generatorUUID()
        TimeBasedGenerator timeBasedGenerator = Generators.timeBasedGenerator(EthernetAddress.fromInterface());
        return timeBasedGenerator.generate().toString();
    
    
    public static void main(String[] args) 
        System.err.println(KeyUtil.generatorUUID());
        System.err.println(KeyUtil.generatorUUID());