def bytes_to_human(n):
symbols = ('K','M','G','T','P','E','Z','Y')
prefix = {}
for i,s in enumerate(symbols):
prefix[s] = 1 (i + 1) * 10
for s in reversed(symbols):
if n >= prefix[s]:
value = float(n) / prefix[s]
return '%.1f%s' % (value,s)
return '%sB' % n
python编写的储存单位转换代码（以字节(B)为单位）
def bytes(bytes):
if bytes 1024: #比特
bytes = str(round(bytes, 2)) + ' B' #字节
elif bytes >= 1024 and bytes 1024 * 1024:
bytes = str(round(bytes / 1024, 2)) + ' KB' #千字节
elif bytes >= 1024 * 1024 and bytes 1024 * 1024 * 1024:
bytes = str(round(bytes / 1024 / 1024, 2)) + ' MB' #兆字节
elif bytes >= 1024 * 1024 * 1024 and bytes 1024 * 1024 * 1024 * 1024:
bytes = str(round(bytes / 1024 / 1024 / 1024, 2)) + ' GB' #千兆字节
elif bytes >= 1024 * 1024 * 1024 * 1024 and bytes 1024 * 1024 * 1024 * 1024 * 1024:
bytes = str(round(bytes / 1024 / 1024 / 1024 / 1024, 2)) + ' TB' #太字节
elif bytes >= 1024 * 1024 * 1024 * 1024 * 1024 and bytes 1024 * 1024 * 1024 * 1024 * 1024 * 1024:
bytes = str(round(bytes / 1024 / 1024 / 1024 / 1024 / 1024, 2)) + ' PB' #拍字节
elif bytes >= 1024 * 1024 * 1024 * 1024 * 1024 * 1024 and bytes 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024:
bytes = str(round(bytes / 1024 / 1024 / 1024 / 1024 / 1024 /1024, 2)) + ' EB' #艾字节
return bytes
if __name__ == '__main__':
print('0：' + bytes(0))
print('1：' + bytes(1))
print('2：' + bytes(10))
print('3：' + bytes(100))
print('4：' + bytes(1000))
print('5：' + bytes(10000))
print('6：' + bytes(100000))
print('7：' + bytes(1000000))
print('8：' + bytes(10000000))
print('9：' + bytes(100000000))
print('10：' + bytes(1000000000))
print('11：' + bytes(10000000000))
print('12：' + bytes(100000000000))
print('13：' + bytes(1000000000000))
print('14：' + bytes(10000000000000))
print('15：' + bytes(100000000000000))
print('16：' + bytes(1000000000000000))
print('17：' + bytes(10000000000000000))
print('18：' + bytes(100000000000000000))
print('19：' + bytes(1000000000000000000))
print('20：' + bytes(10000000000000000000))
print('20：' + bytes(100000000000000000000))
print('20：' + bytes(1000000000000000000000))
测试：
"D:\Program Files\Python\Python36\python.exe" C:/Users/Jochen/PycharmProjects/mysite/bytes.py
0：0 B
1：1 B
2：10 B
3：100 B
4：1000 B
5：9.77 KB
6：97.66 KB
7：976.56 KB
8：9.54 MB
9：95.37 MB
10：953.67 MB
11：9.31 GB
12：93.13 GB
13：931.32 GB
14：9.09 TB
15：90.95 TB
16：909.49 TB
17：8.88 PB
18：88.82 PB
19：888.18 PB
20：8.67 EB
20：86.74 EB
20：867.36 EB
Process finished with exit code 0
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