网站开发一键上架淘宝,网站服务器买了后怎么做的,万网的成品网站,国际设计师网站java整数与byte数组的转换实现代码这里对java中整数与byte数组的转换进行了实现#xff0c;平时的项目中很少用的到#xff0c;但是特定需求的时候还是需要的#xff0c;这里就记录下#xff0c;亲测可用#xff0c;实现代码#xff1a;public class NumberUtil {/*** in…java整数与byte数组的转换实现代码这里对java中整数与byte数组的转换进行了实现平时的项目中很少用的到但是特定需求的时候还是需要的这里就记录下亲测可用实现代码public class NumberUtil {/*** int整数转换为4字节的byte数组** param i* 整数* return byte数组*/public static byte[] intToByte4(int i) {byte[] targets new byte[4];targets[3] (byte) (i 0xFF);targets[2] (byte) (i 8 0xFF);targets[1] (byte) (i 16 0xFF);targets[0] (byte) (i 24 0xFF);return targets;}/*** long整数转换为8字节的byte数组** param lo* long整数* return byte数组*/public static byte[] longToByte8(long lo) {byte[] targets new byte[8];for (int i 0; i 8; i) {int offset (targets.length - 1 - i) * 8;targets[i] (byte) ((lo offset) 0xFF);}return targets;}/*** short整数转换为2字节的byte数组** param s* short整数* return byte数组*/public static byte[] unsignedShortToByte2(int s) {byte[] targets new byte[2];targets[0] (byte) (s 8 0xFF);targets[1] (byte) (s 0xFF);return targets;}/*** byte数组转换为无符号short整数** param bytes* byte数组* return short整数*/public static int byte2ToUnsignedShort(byte[] bytes) {return byte2ToUnsignedShort(bytes, 0);}/*** byte数组转换为无符号short整数** param bytes* byte数组* param off* 开始位置* return short整数*/public static int byte2ToUnsignedShort(byte[] bytes, int off) {int high bytes[off];int low bytes[off 1];return (high 8 0xFF00) | (low 0xFF);}/*** byte数组转换为int整数** param bytes* byte数组* param off* 开始位置* return int整数*/public static int byte4ToInt(byte[] bytes, int off) {int b0 bytes[off] 0xFF;int b1 bytes[off 1] 0xFF;int b2 bytes[off 2] 0xFF;int b3 bytes[off 3] 0xFF;return (b0 24) | (b1 16) | (b2 8) | b3;}}感谢阅读希望能帮助到大家谢谢大家对本站的支持
