java int和byte[]互转

决定改变命运

于 2025-04-19 10:53:34 发布

阅读量282

点赞数 1

CC 4.0 BY-SA版权

文章标签： java 前端服务器

本文链接：https://blog.youkuaiyun.com/2301_76651262/article/details/147347399

public static byte[] int2ByteArray(int data) {
    byte[] buf = new byte[4];
    buf[3] = (byte) ((data >> 24) & 0xff);
    buf[2] = (byte) ((data >> 16) & 0xff);
    buf[1] = (byte) ((data >> 8) & 0xff);
    buf[0] = (byte) (data & 0xff);
    return buf;
}

public static int byteArray2Int(byte[] data) {
    return ((data[0] & 0xff) << 24) | ((data[1] & 0xff) << 16) | ((data[2] & 0xff) << 8) | (data[3] & 0xff);
}