python3 uuid1.py

"""
uuid -> session_id。
参考：https://blog.csdn.net/liyingke112/article/details/78187888
"""
import uuid

# 根据主机id和当前时间创建UUID
session_id = uuid.uuid1()
print("session_id:", session_id)
# session_id: b93faf5c-26f1-11ea-9b07-b4840d90cda6
print(type(session_id))
# <class 'uuid.UUID'>

uuidStr = str(session_id)
print("uuidStr:", uuidStr)
# uuidStr: b93faf5c-26f1-11ea-9b07-b4840d90cda6
print(type(uuidStr))
# <class 'str'>
print(len(uuidStr))
# 36