Python字节单位转换(将字节转换为K M G T)

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 '%.1编程客栈f%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: HdhCmsTestcppcns测试数据 
    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 bytesHdhCmsTestcppcns测试数据 >= 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 &g编程客栈t;= 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 P编程客栈B 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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