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’ % npython編寫的儲存單位轉(zhuǎn)換代碼（以字節(jié)(B)為單位）

def bytes(bytes): if bytes < 1024: #比特 bytes = str(round(bytes, 2)) + ’ B’ #字節(jié) elif bytes >= 1024 and bytes < 1024 * 1024: bytes = str(round(bytes / 1024, 2)) + ’ KB’ #千字節(jié) elif bytes >= 1024 * 1024 and bytes < 1024 * 1024 * 1024: bytes = str(round(bytes / 1024 / 1024, 2)) + ’ MB’ #兆字節(jié) elif bytes >= 1024 * 1024 * 1024 and bytes < 1024 * 1024 * 1024 * 1024: bytes = str(round(bytes / 1024 / 1024 / 1024, 2)) + ’ GB’ #千兆字節(jié) elif bytes >= 1024 * 1024 * 1024 * 1024 and bytes < 1024 * 1024 * 1024 * 1024 * 1024: bytes = str(round(bytes / 1024 / 1024 / 1024 / 1024, 2)) + ’ TB’ #太字節(jié) 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’ #拍字節(jié) 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’ #艾字節(jié) 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))

測試：

'D:Program FilesPythonPython36python.exe' C:/Users/Jochen/PycharmProjects/mysite/bytes.py0：0 B1：1 B2：10 B3：100 B4：1000 B5：9.77 KB6：97.66 KB7：976.56 KB8：9.54 MB9：95.37 MB10：953.67 MB11：9.31 GB12：93.13 GB13：931.32 GB14：9.09 TB15：90.95 TB16：909.49 TB17：8.88 PB18：88.82 PB19：888.18 PB20：8.67 EB20：86.74 EB20：867.36 EB

Process finished with exit code 0

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