先转2进制,再转十进制
def bit_to_int(bits):
ret = ''
for bit in bits:
tp = '{:08b}'.format(ord(bit))
ret += tp
return int(ret, 2)
print(bit_to_int('\x00\x03')) # 3
print(bit_to_int('\x04\x01')) # 1025
print(bit_to_int('\x00\xff')) # 255