字节数转为人类易读大小和单位
def bit2humanView(bit_val): ''' 文件大小bit转为人类易读大小bit、KB、MB :param bit_val:字节数值 :return:人类易读大小和单位 ''' is2kb = int(bit_val / 1042) # 转换为kb取整 is2mb = int(bit_val / 1024 / 1024) # 转为mb取整 is2gb = int(bit_val / 1024 / 1024 / 1024) # 转为gb取整 if is2gb is not 0: gb_val = bit_val / 1024 / 1024 / 1024 return "%.2f GB" % gb_val if is2mb is not 0: mb_val = bit_val / 1024 / 1024 return "%.2f MB" % mb_val if is2kb is not 0: kb_val = bit_val / 1024 return "%.2f KB" % kb_val return "%s bit" % bit_val