需生成如下ID:
56d7ade1-87d1-4f54-8dc8-13611c8c2545
27181ad4-4214-4e12-af3a-911a0103a12f
24cafdfb-eac3-4567-80c0-70d21d096b19
c92046a0-3d94-4d72-ba8f-cdac30ed69e8
1e607dde-eef6-49ac-a3b1-16ba1475d293
在java里可以这样使用:
UUID uuid = UUID.randomUUID();
System.out.println(uuid.toString());