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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