int2Bytes:
arr[0]=(byte)((int)(id>>0*8)&0xff);
bytes2int:
int rs0=(int)((arr[0]&0xff)<<0*8);
arr[0]=(byte)((int)(id>>0*8)&0xff);
bytes2int:
int rs0=(int)((arr[0]&0xff)<<0*8);
2016-10-17