package Server; /** * * @author ghl */ public class ConvertG { public static void main(String args[]) { System.out.println(ConvertG.bytesToInt(ConvertG.intToByte(9001))); byte[] bytes3 = new byte[] { 122, 64, (byte) 168, (byte) 192 }; System.out.println(ConvertG.bytesToInt(bytes3));// -1062715270 System.out.println(ConvertG.intToByte(ConvertG.bytesToInt(bytes3)));// [122, 64, -88, -64] System.out.println(ConvertG.intToBytes(ConvertG.bytesToInt(bytes3)));// [-64, -88, 64, 122] } /** * @param nNum * @return */ public static byte[] intToBytes(int nNum) { byte[] bytesRet = new byte[4]; bytesRet[0] = (byte) ((nNum >> 24) & 0xFF); bytesRet[1] = (byte) ((nNum >> 16) & 0xFF); bytesRet[2] = (byte) ((nNum >> 8) & 0xFF); bytesRet[3] = (byte) (nNum & 0xFF); return bytesRet; } /** * add by ghl * * @param i * @return */ public static byte[] intToByte(int i) { byte[] abyte0 = new byte[4]; abyte0[0] = (byte) (0xff & i); abyte0[1] = (byte) ((0xff00 & i) >> 8); abyte0[2] = (byte) ((0xff0000 & i) >> 16); abyte0[3] = (byte) ((0xff000000 & i) >> 24); return abyte0; } /** * add by ghl * * @param bytes * @return */ public static int bytesToInt(byte[] bytes) { int addr = bytes[0] & 0xFF; addr |= ((bytes[1] << 8) & 0xFF00); addr |= ((bytes[2] << 16) & 0xFF0000); addr |= ((bytes[3] << 24) & 0xFF000000); return addr; } }
byte[]与int的转换
猜你喜欢
转载自yeweimian123.iteye.com/blog/1152048
今日推荐
周排行