1:          public static byte[] int2Byte(int intValue)

   2:          {

   3:              byte[] b = new byte[4];

   4:              for (int i = 0; i < 4; i++)

   5:              {

   6:                  b[i] = (byte)(intValue >> 8 * (i) & 0xFF);

   7:              }

   8:              return b;

   9:          }

  10:   

  11:          // 将iSource转为长度为iArrayLen的byte数组，字节数组的低位是整型的低字节位

  12:          public static byte[] int2Byte(int iSource, int len)

  13:          {

  14:              byte[] b = new byte[len];

  15:              for (int i = 0; (i < 4) && (i < len); i++)

  16:              {

  17:                  b[i] = (byte)(iSource >> 8 * i & 0xFF);

  18:              }

  19:              return b;

  20:          }

  21:   

  22:          // 将byte数组bRefArr转为一个整数,字节数组的低位是整型的低字节位

  23:          public static int byte2Int(byte[] b)

  24:          {

  25:              int iOutcome = 0;

  26:              byte bLoop;

  27:              for (int i = 0; i < 4; i++)

  28:              {

  29:                  bLoop = b[i];

  30:                  iOutcome += (bLoop & 0xFF) << (8 * i);

  31:              }

  32:              return iOutcome;

  33:          }