IP地址与Bigint转换，IP地址Bigint转换,import sysde

IP地址与Bigint转换，IP地址Bigint转换,import sysde

import sysdef ipToBigint(ipaddr):    ipStrs = ipaddr.split(".")    return str(int(ipStrs[3]) + int(ipStrs[2])*256 + int(ipStrs[1])*256*256 + int(ipStrs[0])*256*256*256) def bigintToIp(intStr):    bigint = int(intStr)    first = bigint/(256*256*256)    rest = bigint - (first*256*256*256)    second = rest/(256*256)    rest -= second*256*256    third = rest/256       fourth = rest - third * 256    return "%d.%d.%d.%d"%(first,second,third,fourth)if __name__ == "__main__":    while 1:        if len(sys.argv) > 1:            ipOrInt = sys.argv[1]        else:            ipOrInt = raw_input("Please input the IP/Int ->")        if ipOrInt.find(".") > 0 :            print "%s <-> %s"%(ipOrInt,ipToBigint(ipOrInt))        else:            print "%s <-> %s"%(ipOrInt,bigintToIp(ipOrInt))#该片段来自于http://byrx.net