python str字符串转uuid实例

uuid str int 之间的转换

import uudi #str 转 uuiduuid.UUID(’12345678123456781234567812345678’)uuid.UUID(hex=’12345678123456781234567812345678’)uuid.UUID(’{12345678-1234-5678-1234-567812345678}’)uuid.UUID(’urn:uuid:12345678-1234-5678-1234-567812345678’)#Out：UUID(’12345678-1234-5678-1234-567812345678’) uuid.UUID(fields=(0x12345678, 0x1234, 0x5678, 0x12, 0x34, 0x567812345678))#Out：UUID(’12345678-1234-5678-1234-567812345678’) #int 转 uuiduuid.UUID(int=0x12345678123456781234567812345678)#Out：UUID(’12345678-1234-5678-1234-567812345678’) #uuid 转 strstr(uuid.uuid4())#Out：’a0565f88-b20a-4cc1-a6de-11f046bb7100’type(str(uuid.uuid4()))#Out：strpython的uuid模块提供UUID类和函数uuid1(), uuid3(), uuid4(), uuid5() 来生成1, 3, 4, 5各个版本的UUIDuuid.uuid1([node[, clock_seq]]) : 主机ID, 序列号, 和时间戳来生成UUID, 可保证全球范围的唯一性uuid.uuid3(namespace, name) : 基于命名空间和名字的MD5散列值uuid.uuid4() : 基于随机数uuid.uuid5(namespace, name) : 基于命名空间和名字的SHA-1散列值，同uuid3

补充拓展：python字符串和time互转与时间的加减另加uuid

咱们看代码吧！

# -*-coding:utf-8 -*-__author__ = 'ZJL' import uuid,time,datetime #uuid4产生32位随机字母加数字print(str(uuid.uuid4()).replace('-',''))#uuid3产生基于名字的MD5散列值print(str(uuid.uuid3(uuid.NAMESPACE_DNS,'username')).replace('-','')) #time转字符串time_num = time.strftime(’%Y-%m-%d %H:%M:%S’,time.localtime(time.time()))print(time_num) #字符串转timet = time.strptime(time_num, ’%Y-%m-%d %H:%M:%S’)y,m,d,H,M,S = t[:6]print(t)print(datetime.datetime(y,m,d,H,M,S)) #时间的加减now_time = datetime.datetime.now()#当前时间加半小时yes_time = now_time + datetime.timedelta(hours=+0.5)#比较时间大小if now_time>yes_time: print('ok')else: print('no')#当前时间减一天# yes_time = now_time + datetime.timedelta(days=-1)yes_time_nyr = yes_time.strftime(’%Y-%m-%d %H:%M:%S’)print(yes_time_nyr)

结果：

import time, datetime#一个月前today1 = datetime.datetime.today()astmonth = datetime.datetime(today1.year, (today1.month - 1), today1.day, today1.hour, today1.minute,today1.second)

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