大小端模式的int和byte相互轉換

/**

 * 以大端模式將int轉成byte[]

 */

public static byte[] intToBytesBig(int value) {

    byte[] src = new byte[4];

    src[0] = (byte) ((value >> 24) & 0xFF);

    src[1] = (byte) ((value >> 16) & 0xFF);

    src[2] = (byte) ((value >> 8) & 0xFF);

    src[3] = (byte) (value & 0xFF);

    return src;

}

/**

 * 以小端模式將int轉成byte[]

 *

 * @param value

 * @return

 */

public static byte[] intToBytesLittle(int value) {

    byte[] src = new byte[4];

    src[3] = (byte) ((value >> 24) & 0xFF);

    src[2] = (byte) ((value >> 16) & 0xFF);

    src[1] = (byte) ((value >> 8) & 0xFF);

    src[0] = (byte) (value & 0xFF);

    return src;

}

/**

 * 以大端模式將byte[]轉成int

 */

public static int bytesToIntBig(byte[] src, int offset) {

    int value;

    value = (int) (((src[offset] & 0xFF) << 24)

            | ((src[offset + 1] & 0xFF) << 16)

            | ((src[offset + 2] & 0xFF) << 8)

            | (src[offset + 3] & 0xFF));

    return value;

}

/**

 * 以小端模式將byte[]轉成int

 */

public static int bytesToIntLittle(byte[] src, int offset) {

    int value;

    value = (int) ((src[offset] & 0xFF)

            | ((src[offset + 1] & 0xFF) << 8)

            | ((src[offset + 2] & 0xFF) << 16)

            | ((src[offset + 3] & 0xFF) << 24));

    return value;

}

??

————————————————

                            版權聲明：本文為博主原創(chuàng )文章，遵循 CC 4.0 BY-SA 版權協(xié)議，轉載請附上原文出處鏈接和本聲明。

原文鏈接：https://blog.csdn.net/a22422931/article/details/64929815