Python生成短uuid的方法实例详解
python的uuid都是32位的,比较长,处理起来效率比较低,
本算法利用62个可打印字符,通过随机生成32位UUID,由于UUID都为十六进制,所以将UUID分成8组,每4个为一组,然后通过模62操作,结果作为索引取出字符,
最后生成的Uuid,只有8位,代码如下:
uuid4,可以换成uuid1
fromuuidimportuuid4 uuidChars=("a","b","c","d","e","f", "g","h","i","j","k","l","m","n","o","p","q","r","s", "t","u","v","w","x","y","z","0","1","2","3","4","5", "6","7","8","9","A","B","C","D","E","F","G","H","I", "J","K","L","M","N","O","P","Q","R","S","T","U","V", "W","X","Y","Z") defshort_uuid(): uuid=str(uuid4()).replace('-','') result='' foriinrange(0,8): sub=uuid[i*4:i*4+4] x=int(sub,16) result+=uuidChars[x%0x3E] returnresult print(short_uuid()) print(short_uuid()) print(short_uuid())
运行结果如下:
6vT7sxFK
F802Fj8C
s7E3qzmD
总结
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