From db8bd443faa40789e3b82a75ccebeb744d55a5ae Mon Sep 17 00:00:00 2001
From: liurunyu <lry9898@163.com>
Date: 星期四, 12 十二月 2024 11:45:59 +0800
Subject: [PATCH] 漏损日统计实现
---
pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/ByteUtil.java | 737 +++++++++++++++++++++++++++++++-------------------------
1 files changed, 406 insertions(+), 331 deletions(-)
diff --git a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/ByteUtil.java b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/ByteUtil.java
index 7b06e4d..5f05861 100644
--- a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/ByteUtil.java
+++ b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/ByteUtil.java
@@ -4,12 +4,55 @@
public class ByteUtil {
-
+
+ /**
+ * 灏嗗瓧鑺傛暟缁勫垎鍓�
+ * @param bytes 琚垎鍓叉暟缁�
+ * @param fromIndex 鍒嗗壊璧峰浣嶇疆
+ * @param len 鍒嗗壊闀垮害
+ * @return 杩斿洖 鍒嗗壊鍑烘潵鐨勬暟缁�
+ */
+ public static byte[] bytesSplit(byte[] bytes, int fromIndex, int len){
+ if(bytes == null){
+ return null ;
+ }else{
+ byte[] bs = new byte[len] ;
+ if(fromIndex + len > bytes.length){
+ System.arraycopy(bytes, fromIndex, bs, 0, bytes.length - fromIndex) ;
+ }else{
+ System.arraycopy(bytes, fromIndex, bs, 0, len) ;
+ }
+ return bs ;
+ }
+ }
+ /**
+ * 灏嗗瓧鑺傛暟缁勫垎鍓�
+ * @param bytes 琚垎鍓叉暟缁�
+ * @param fromIndex 鍒嗗壊璧峰浣嶇疆
+ * @param len 鍒嗗壊闀垮害
+ * @return 杩斿洖 鍒嗗壊鍑烘潵鐨勬暟缁�
+ */
+ public static Object[] bytesSplit_(byte[] bytes, int fromIndex, int len){
+ if(bytes == null){
+ return null ;
+ }else{
+ int realLen = len ;
+ byte[] bs = new byte[len] ;
+ if(fromIndex + len > bytes.length){
+ System.arraycopy(bytes, fromIndex, bs, 0, bytes.length - fromIndex) ;
+ realLen = bytes.length - fromIndex ;
+ }else{
+ System.arraycopy(bytes, fromIndex, bs, 0, len) ;
+ }
+ return new Object[]{bs, realLen} ;
+ }
+ }
+
/**
* 灏嗗瓧鑺傛暟缁勫悎骞跺埌瀛楄妭鏁扮粍涓�
* @param bGroup1 琚悎骞舵暟缁�
* @param bGroup2 鍚堝苟鏁扮粍
- * @return 鍚堝苟鍚庢暟缁�
+ * @return 杩斿洖 鍚堝苟鍚庢暟缁�
*/
public static byte[] bytesMerge(byte[] bGroup1, byte[] bGroup2){
if(bGroup1 == null && bGroup2 == null){
@@ -29,71 +72,47 @@
/**
* 鍒ゆ柇鎵�鏈夊瓧鑺傛槸鍚︿负0xFF
- * @param bs
- * @param index
- * @param len
- * @return
- * @throws Exception
+ * @param bs 瀛楄妭鏁扮粍
+ * @param index 涓嬫爣浣�
+ * @param len 闀垮害
+ * @return 杩斿洖 杩斿洖
*/
- public static boolean bytesIsAll0xFF(byte[] bs, int index, int len)throws Exception {
+ public static boolean bytesIsAll0xFF(byte[] bs, int index, int len){
int count = 0 ;
for(int i = index; i < index + len; i++){
if(bs[i] == (byte)0xFF){
count++ ;
}
}
- return count==len?true:false ;
+ return count == len;
}
-
+
/**
* 浜岃繘鍒惰浆鍗佽繘鍒舵暟
- * @param str
- * @return
- * @throws Exception
+ * @param str 浜岃繘鍒跺瓧绗︿覆
+ * @return 杩斿洖
*/
- public static int binary2Int(String str) throws Exception {
- int cnt=0;
- int sum=0;
- str=new StringBuilder(str).reverse().toString();//鍙嶈浆瀛楃涓�
- for(int i=0;i<str.length();i++){
- cnt++;
- if (str.charAt(i)=='1'){
- int mul=1;
- for (int j=1;j<cnt;j++){
- mul*=2;
- }
- sum+=mul;
- }
- else continue;
- }
- return sum;
+ public static int binary2Int(String str) {
+ return Integer.parseInt(str, 2);
}
-
+
/**
* 瀛楄妭杞瓨浜岃繘鍒�
- *
+ *
* @param b byte
- * @throws Exception
- * @return String
+ * @return 杩斿洖 String
*/
- public static String byte2Binary(byte b) throws Exception {
- int n = (b + 256) % 256 + 256;
- try {
- return Integer.toBinaryString(n).substring(1);
- } catch (Exception e) {
- throw new Exception("瀛楄妭杞崲鎴愪簩杩涘埗鐨勫瓧绗︿覆鍑洪敊锛�", null);
- }
+ public static String byte2Binary(byte b) {
+ return Integer.toBinaryString(b & 0xFF) ;
}
/**
* 瀛楄妭杞瓨8浣嶄簩杩涘埗
- *
- * @param b
- * byte
- * @throws Exception
- * @return String
+ *
+ * @param b byte
+ * @return 杩斿洖 String
*/
- public static String byte2bit8Binary(byte b) throws Exception {
+ public static String byte2bit8Binary(byte b) {
String s = byte2Binary(b);
int len = s.length();
for (int i = 0; i < 8 - len; i++) {
@@ -101,15 +120,13 @@
}
return s;
}
-
+
/**
- * 瀛楄妭鍙朾it
- * @param b
- * @param index
- * @throws Exception
- * @return String
+ * 瀛楄妭鏁� 鍙栧嚭8涓猙it
+ * @param b 瀛楄妭鏁�
+ * @return 杩斿洖 String
*/
- public static byte[] getBit(byte b) throws Exception {
+ public static byte[] getBit(byte b) {
byte[] bs = new byte[8] ;
bs[0] = (byte)(b & 1) ;
bs[1] = (byte)((b & 2) >> 1) ;
@@ -123,11 +140,11 @@
}
/**
- * 瀛楄妭鍙朾it
- * @param b
- * @param index
- * @throws Exception
- * @return String
+ * 瀛楄妭鏁� 鍙栧嚭bit
+ * @param b 瀛楄妭鏁�
+ * @param index 涓嬫爣浣�
+ * @throws Exception 寮傚父
+ * @return 杩斿洖 String
*/
public static byte getBit(byte b, byte index) throws Exception {
if(index == 0){
@@ -153,11 +170,11 @@
/**
* 涓�涓瓧鑺傝浆姝ｆ暣鏁�
- *
+ *
* @param b
* byte
- * @throws Exception
- * @return String
+ * @throws Exception 寮傚父
+ * @return 杩斿洖 String
*/
public static Short byte2PlusInt(byte b) throws Exception {
short v = b ;
@@ -167,19 +184,18 @@
return v ;
}
-
+
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* double杞崲byte
- * @param bs byte[]
+ * @param bs 瀛楄妭鏁扮粍 byte[]
* @param value double double绫诲瀷鐨勫弬鏁�
- * @param from int
+ * @param from 寮�濮嬩綅 int
*/
public static void double2Bytes_BE(byte[] bs, double value, int from)throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 8);
if (b) {
- Long l = Double.doubleToLongBits(value);
- long2Bytes_BE(bs, l, from);
+ long2Bytes_BE(bs, Double.doubleToLongBits(value), from);
} else {
throw new Exception("double2Bytes鏃舵暟缁勮秺鐣�");
}
@@ -188,15 +204,14 @@
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* double杞崲byte锛屽瓧鑺傞『搴忔槸鍊掔殑
- * @param bs byte[]
+ * @param bs 瀛楄妭鏁扮粍 byte[]
* @param value double double绫诲瀷鐨勫弬鏁�
- * @param from int
+ * @param from 寮�濮嬩綅 int
*/
public static void double2Bytes_LE(byte[] bs, double value, int from)throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 8);
if (b) {
- Long l = Double.doubleToLongBits(value);
- long2Bytes_LE(bs, l, from);
+ long2Bytes_LE(bs, Double.doubleToLongBits(value), from);
} else {
throw new Exception("double2Bytes鏃舵暟缁勮秺鐣�");
}
@@ -205,8 +220,8 @@
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* byte杞崲double
- * @param bs byte[]
- * @param from int
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @param from 寮�濮嬩綅 int
*/
public static double bytes2Double_BE(byte[] bs, int from) throws Exception {
long l = bytes2Long_BE(bs, from);
@@ -216,8 +231,8 @@
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* byte杞崲double锛屽瓧鑺傞『搴忔槸鍊掔殑
- * @param bs byte[]
- * @param from int
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @param from 寮�濮嬩綅 int
*/
public static double bytes2Double_LE(byte[] bs, int from) throws Exception {
long l = bytes2Long_LE(bs, from);
@@ -306,7 +321,7 @@
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
- * 杞崲long鍨嬩负byte鏁扮粍
+ * 杞崲long鍨嬩负byte鏁扮粍
* @value bs byte[]
* @value value long
* @value from int
@@ -315,8 +330,8 @@
boolean b = isOutOfArrLength(bs.length, (from - 1) + 8);
if (b) {
for (int i = 0; i < 8; i++) {
- bs[from + i] = Long.valueOf(value & 0xff).byteValue();
- value = value >> 8;
+ bs[from + i] = Long.valueOf(value & 0xff).byteValue();
+ value = value >> 8;
if(value == 0){
break ;
}
@@ -325,12 +340,12 @@
throw new Exception("long2Bytes鏃舵暟缁勮秺鐣�");
}
}
-
+
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
- * @param bs byte[]
- * @return
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @return 杩斿洖
*/
public static long bytes2Long_BE(byte[] bs) {
int len = bs.length ;
@@ -338,7 +353,7 @@
long l = 0;
long[] ls = new long[len] ;
for(int i = 0 ; i < len; i++){
- ls[i] = bs[i] ;
+ ls[i] = bs[i] & 0xFF ;
}
for(int i = len-1 ; i >= 0; i--){
ls[(len - 1) - i] <<= 8 * i ;
@@ -347,29 +362,29 @@
l = l | ls[i] ;
}
return l;
- }
+ }
return 0L ;
}
-
+
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
- * @param bs byte[]
- * @param from int
- * @return
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @param from 寮�濮嬩綅 int
+ * @return 杩斿洖
*/
public static long bytes2Long_BE(byte[] bs, int from) throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 8);
if (b) {
long s = 0;
- long s0 = bs[from + 0] ;// 鏈�浣庝綅
- long s1 = bs[from + 1] ;
- long s2 = bs[from + 2] ;
- long s3 = bs[from + 3] ;
- long s4 = bs[from + 4] ;
- long s5 = bs[from + 5] ;
- long s6 = bs[from + 6] ;
- long s7 = bs[from + 7] ;
+ long s0 = bs[from + 0] & 0xFF ;// 鏈�浣庝綅
+ long s1 = bs[from + 1] & 0xFF ;
+ long s2 = bs[from + 2] & 0xFF ;
+ long s3 = bs[from + 3] & 0xFF ;
+ long s4 = bs[from + 4] & 0xFF ;
+ long s5 = bs[from + 5] & 0xFF ;
+ long s6 = bs[from + 6] & 0xFF ;
+ long s7 = bs[from + 7] & 0xFF ;
// s7涓嶅彉
s6 <<= 8;
@@ -388,10 +403,10 @@
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
- * @param bs byte[]
- * @param from int
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @param from 寮�濮嬩綅 int
* @param end int
- * @return
+ * @return 杩斿洖
*/
public static long bytes2Long_BE(byte[] bs, int from, int end) throws Exception {
boolean b = isOutOfArrLength(bs.length, end);
@@ -399,7 +414,7 @@
short len = (short)(end - from + 1) ;
long[] ls = new long[len] ;
for(short i = 0 ; i < len; i++){
- ls[i] = bs[from + i] ;
+ ls[i] = bs[from + i] & 0xFF ;
}
for(short i = (short)(len-1) ; i >= 0; i--){
ls[i] <<= 8 * (len - (i + 1)) ;
@@ -414,13 +429,13 @@
}
}
-
-
+
+
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
- * @param bs byte[]
- * @return
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @return 杩斿洖
*/
public static long bytes2Long_LE(byte[] bs) {
int len = bs.length ;
@@ -428,7 +443,7 @@
long l = 0;
long[] ls = new long[len] ;
for(int i = 0 ; i < len; i++){
- ls[i] = bs[i] ;
+ ls[i] = bs[i] & 0xFF ;
}
for(int i = 0 ; i < len; i++){
ls[(len - 1) - i] <<= 8 * i ;
@@ -437,29 +452,29 @@
l = l | ls[i] ;
}
return l;
- }
+ }
return 0L ;
}
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
- * 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
- * @param bs byte[]
- * @param from int
- * @return
+ * 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @param from 寮�濮嬩綅 int
+ * @return 杩斿洖
*/
public static long bytes2Long_LE(byte[] bs, int from) throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 8);
if (b) {
long s = 0;
- long s0 = bs[from + 0] ;// 鏈�浣庝綅
- long s1 = bs[from + 1] ;
- long s2 = bs[from + 2] ;
- long s3 = bs[from + 3] ;
- long s4 = bs[from + 4] ;
- long s5 = bs[from + 5] ;
- long s6 = bs[from + 6] ;
- long s7 = bs[from + 7] ;
+ long s0 = bs[from] & 0xFF ;// 鏈�浣庝綅
+ long s1 = bs[from + 1] & 0xFF ;
+ long s2 = bs[from + 2] & 0xFF ;
+ long s3 = bs[from + 3] & 0xFF ;
+ long s4 = bs[from + 4] & 0xFF ;
+ long s5 = bs[from + 5] & 0xFF ;
+ long s6 = bs[from + 6] & 0xFF ;
+ long s7 = bs[from + 7] & 0xFF ;
// s0涓嶅彉
s1 <<= 8;
@@ -479,10 +494,10 @@
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 8浣嶅瓧鑺傛暟缁勮浆鎹负闀挎暣鍨�
- * @param bs byte[]
- * @param from int
+ * @param bs 瀛楄妭鏁扮粍 byte[]
+ * @param from 寮�濮嬩綅 int
* @param end int
- * @return
+ * @return 杩斿洖
*/
public static long bytes2Long_LE(byte[] bs, int from, int end) throws Exception {
boolean b = isOutOfArrLength(bs.length, end);
@@ -490,7 +505,7 @@
short len = (short)(end - from + 1) ;
long[] ls = new long[len] ;
for(short i = 0 ; i < len; i++){
- ls[i] = bs[from + i] ;
+ ls[i] = bs[from + i] & 0xFF ;
}
for(short i = 0 ; i < len; i++){
ls[i] <<= 8 * i ;
@@ -539,9 +554,9 @@
for (int i = 0; i < 4; i++) {
bs[from + i] = Integer.valueOf(value & 0xff).byteValue();// 灏嗘渶浣庝綅淇濆瓨鍦ㄤ綆瀛楄妭
value = value >> 8; // 鍚戝彸绉�8浣�
- if(value == 0){
- break ;
- }
+ if(value == 0){
+ break ;
+ }
}
} else {
throw new Exception("int2Bytes鏃舵暟缁勮秺鐣�");
@@ -551,17 +566,18 @@
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 4浣嶅瓧鑺傛暟缁勮浆鎹负鏁村瀷
- * @param b
- * @return
+ * @param bs 瀛楄妭鏁扮粍
+ * @param from 寮�濮嬩綅
+ * @return 杩斿洖
*/
public static int bytes2Int_BE(byte[] bs, int from) throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 4);
if (b) {
int s = 0;
- int s0 = bs[from + 0] ;// 鏈�浣庝綅
- int s1 = bs[from + 1] ;
- int s2 = bs[from + 2] ;
- int s3 = bs[from + 3] ;
+ int s0 = bs[from + 0] & 0xFF ;// 鏈�浣庝綅
+ int s1 = bs[from + 1] & 0xFF ;
+ int s2 = bs[from + 2] & 0xFF ;
+ int s3 = bs[from + 3] & 0xFF ;
// s3涓嶅彉
s2 <<= 8;
@@ -573,22 +589,22 @@
throw new Exception("byte2Int鏃舵暟缁勮秺鐣�");
}
}
-
+
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 4浣嶅瓧鑺傛暟缁勮浆鎹负鏁村瀷锛屽瓧鑺傞『搴忔槸鍊掔殑
- * @param b
- * @return
+ * @param bs 瀛楄妭鏁扮粍 瀛楄妭鏁扮粍
+ * @return 杩斿洖
*/
public static int bytes2Int_LE(byte[] bs, int from) throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 4);
if (b) {
int s = 0;
- int s0 = bs[from + 0] ;// 鏈�浣庝綅
- int s1 = bs[from + 1] ;
- int s2 = bs[from + 2] ;
- int s3 = bs[from + 3] ;
+ int s0 = bs[from + 0] & 0xFF ;// 鏈�浣庝綅
+ int s1 = bs[from + 1] & 0xFF ;
+ int s2 = bs[from + 2] & 0xFF ;
+ int s3 = bs[from + 3] & 0xFF ;
// s0涓嶅彉
s1 <<= 8;
@@ -600,7 +616,7 @@
throw new Exception("byte2Int鏃舵暟缁勮秺鐣�");
}
}
-
+
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
@@ -674,21 +690,20 @@
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 2浣嶅瓧鑺傛暟缁勮浆鎹负鐭暣鍨�
- * @param b
- * @return
+ * @param bs 瀛楄妭鏁扮粍 瀛楄妭鏁扮粍
+ * @return 杩斿洖
*/
public static short bytes2Short_BE(byte[] bs, int from) throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 2);
if (b) {
int s = 0;
- int s0 = bs[from + 0] ;
- int s1 = bs[from + 1] ;
+ int s0 = bs[from + 0] & 0xFF ;
+ int s1 = bs[from + 1] & 0xFF ;
// s1涓嶅彉
s0 <<= 8;
s = s0 | s1;
- return (short) s;
-
+ return (short)s ;
} else {
throw new Exception("byte2Short鏃舵暟缁勮秺鐣�");
}
@@ -697,15 +712,15 @@
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 2浣嶅瓧鑺傛暟缁勮浆鎹负鐭暣鍨嬶紝瀛楄妭椤哄簭鏄�掔殑
- * @param b
- * @return
+ * @param bs 瀛楄妭鏁扮粍 瀛楄妭鏁扮粍
+ * @return 杩斿洖
*/
public static short bytes2Short_LE(byte[] bs, int from) throws Exception {
boolean b = isOutOfArrLength(bs.length, (from - 1) + 2);
if (b) {
int s = 0;
- int s0 = bs[from + 0] ;
- int s1 = bs[from + 1] ;
+ int s0 = bs[from + 0] & 0xFF ;
+ int s1 = bs[from + 1] & 0xFF ;
// s0涓嶅彉
s1 <<= 8;
@@ -718,11 +733,11 @@
}
/**
* 瀛楃鍒颁竴瀛楄妭杞崲
- *
+ *
* @value bs byte[]
* @value ch char char绫诲瀷鐨勫弬鏁�
* @value index int
- * @return
+ * @return 杩斿洖
*/
public static void char2Bytes(byte[] bs, char ch, int index)throws Exception {
boolean b = isOutOfArrLength(bs.length, index);
@@ -735,10 +750,9 @@
/**
* 涓�瀛楄妭杞崲涓哄瓧绗�
- *
- * @param b
+ * @param bs 瀛楄妭鏁扮粍 瀛楄妭鏁扮粍
* @value index int
- * @return
+ * @return 杩斿洖
*/
public static char bytes2Char(byte[] bs, int index) throws Exception {
boolean b = isOutOfArrLength(bs.length, index);
@@ -751,13 +765,13 @@
/**
* 瀛楃涓插瀷鏁板瓧杞垚byte
- *
+ *
* @param s
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static byte string2byte(String s) throws Exception {
- int n = 0;
+ int n ;
try {
n = Integer.parseInt(s);
} catch (Exception e) {
@@ -772,7 +786,7 @@
* @value bs byte[]
* @value str String
* @value from int
- * @return
+ * @return 杩斿洖
* @throws java.io.UnsupportedEncodingException
*/
public static int string2Bytes_BE(byte[] bs, String str, int from, int end)throws Exception {
@@ -798,7 +812,7 @@
* @value bs byte[]
* @value str String
* @value from int
- * @return
+ * @return 杩斿洖
* @throws java.io.UnsupportedEncodingException
*/
public static int string2Bytes_LE(byte[] bs, String str, int from, int end)throws Exception {
@@ -824,7 +838,7 @@
* @value bs byte[]
* @value str String
* @value from int
- * @return
+ * @return 杩斿洖
* @throws java.io.UnsupportedEncodingException
*/
public static int string2Bytes_BE(byte[] bs, String str, int from)throws Exception {
@@ -846,7 +860,7 @@
* @value bs byte[]
* @value str String
* @value from int
- * @return
+ * @return 杩斿洖
* @throws java.io.UnsupportedEncodingException
*/
public static int string2Bytes_LE(byte[] bs, String str, int from)throws Exception {
@@ -898,10 +912,10 @@
/**
* 鍒ゆ柇鏁扮粍涓嬫爣鏄惁瓒婄晫
- *
+ *
* @value bsLength 鏁扮粍鎬婚暱搴�
* @value toSite 鏁扮粍鍋忕Щ閲�
- * @return
+ * @return 杩斿洖
*/
private static boolean isOutOfArrLength(int bsLength, int toSite) {
if (bsLength > toSite) {
@@ -911,158 +925,197 @@
}
}
-
+
/**
- * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
- *
- * @param b byte[]
+ * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
+ *
+ * @param src byte[]
* @param hasBlank 16杩涘埗鏄惁鐢ㄧ┖鏍煎垎闅�
- * @return String
+ * @return 杩斿洖 String
*/
- public static String bytes2Hex(byte[] src, boolean hasBlank){
- StringBuilder stringBuilder = new StringBuilder("");
- if (src == null || src.length <= 0) {
- return null;
- }
- for (int i = 0; i < src.length; i++) {
- int v = src[i] & 0xFF;
- String str = Integer.toHexString(v);
- if (str.length() < 2) {
- str = "0" + str;
- }
- if (hasBlank) {
- if (i == 0) {
- stringBuilder.append(str);
- } else {
- stringBuilder.append(" " + str);
- }
- } else {
- stringBuilder.append(str);
- }
- }
- return stringBuilder.toString().toUpperCase(Locale.US);
- }
+ public static String bytes2Hex(byte[] src, boolean hasBlank){
+ return bytes2Hex_BE(src, hasBlank) ;
+ }
+
+ /**
+ * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
+ *
+ * @param src byte[]
+ * @param hasBlank 16杩涘埗鏄惁鐢ㄧ┖鏍煎垎闅�
+ * @return 杩斿洖 String
+ */
+ public static String bytes2Hex_BE(byte[] src, boolean hasBlank){
+ StringBuilder stringBuilder = new StringBuilder("");
+ if (src == null || src.length <= 0) {
+ return null;
+ }
+ for (int i = 0; i < src.length; i++) {
+ int v = src[i] & 0xFF;
+ String str = Integer.toHexString(v);
+ if (str.length() < 2) {
+ str = "0" + str;
+ }
+ if (hasBlank) {
+ if (i == 0) {
+ stringBuilder.append(str);
+ } else {
+ stringBuilder.append(" " + str);
+ }
+ } else {
+ stringBuilder.append(str);
+ }
+ }
+ return stringBuilder.toString().toUpperCase(Locale.US);
+ }
+ /**
+ * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
+ *
+ * @param src byte[]
+ * @param hasBlank 16杩涘埗鏄惁鐢ㄧ┖鏍煎垎闅�
+ * @return 杩斿洖 String
+ */
+ public static String bytes2Hex_LE(byte[] src, boolean hasBlank){
+ StringBuilder stringBuilder = new StringBuilder("");
+ if (src == null || src.length <= 0) {
+ return null;
+ }
+ for (int i = src.length - 1 ; i >= 0; i--) {
+ int v = src[i] & 0xFF;
+ String str = Integer.toHexString(v);
+ if (str.length() < 2) {
+ str = "0" + str;
+ }
+ if (hasBlank) {
+ if (i == 0) {
+ stringBuilder.append(str);
+ } else {
+ stringBuilder.append(" " + str);
+ }
+ } else {
+ stringBuilder.append(str);
+ }
+ }
+ return stringBuilder.toString().toUpperCase(Locale.US);
+ }
/**
- * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
- *
- * @param b byte[]
+ * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
+ *
+ * @param bs byte[]
* @param hasBlank 16杩涘埗鏄惁鐢ㄧ┖鏍煎垎闅�
- * @param from
- * @param len
- * @return String
+ * @param from 寮�濮嬩綅
+ * @param len 闀垮害
+ * @return 杩斿洖 String
*/
- public static String bytes2Hex(byte[] src, boolean hasBlank, int from, int len){
- if (src == null || src.length <= 0 || src.length < from + len) {
- return null;
- }
+ public static String bytes2Hex(byte[] bs, boolean hasBlank, int from, int len){
+ if (bs == null || bs.length <= 0 || bs.length < from + len) {
+ return null;
+ }
byte[] bb = new byte[len];
for (int i = 0 ; i < len; i++) {
- bb[i] = src[from + i];
+ bb[i] = bs[from + i];
}
return bytes2Hex(bb, hasBlank) ;
- }
- /**
+ }
+ /**
+ * 瀛楄妭鏁扮粍杞崲鎴愬崄鍏繘鍒剁殑瀛楃涓�
+ *
+ * @param bs byte[]
+ * @param hasBlank 16杩涘埗鏄惁鐢ㄧ┖鏍煎垎闅�
+ * @param from 寮�濮嬩綅
+ * @param len 闀垮害
+ * @return 杩斿洖 String
+ */
+ public static String bytes2Hex_LE(byte[] bs, boolean hasBlank, int from, int len){
+ if (bs == null || bs.length <= 0 || bs.length < from + len) {
+ return null;
+ }
+ byte[] bb = new byte[len];
+ for (int i = 0 ; i < len; i++) {
+ bb[i] = bs[from + i];
+ }
+ return bytes2Hex_LE(bb, hasBlank) ;
+ }
+ /**
* 鍗佸叚杩涘埗杞瓧鑺傛暟缁�
- * @param hexString the hex string
- * @return byte[]
- */
- public static byte[] hex2Bytes(String hex) {
- if (hex == null || hex.equals("")) {
- return null;
- }
- hex = hex.toUpperCase(Locale.ENGLISH);
- int length = hex.length() / 2;
- char[] hexChars = hex.toCharArray();
- byte[] d = new byte[length];
- for (int i = 0; i < length; i++) {
- int pos = i * 2;
- d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
- }
- return d;
- }
- /**
+ * @param hex the hex string
+ * @return 杩斿洖 byte[]
+ */
+ public static byte[] hex2Bytes(String hex) {
+ if (hex == null || hex.equals("")) {
+ return null;
+ }
+ hex = hex.toUpperCase(Locale.ENGLISH);
+ int length = hex.length() / 2;
+ char[] hexChars = hex.toCharArray();
+ byte[] d = new byte[length];
+ for (int i = 0; i < length; i++) {
+ int pos = i * 2;
+ d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
+ }
+ return d;
+ }
+ /**
* 鍗佸叚杩涘埗杞瓧鑺傛暟缁�
- * @param hexString the hex string
- * @return byte[]
- */
- public static int hex2Bytes(String hex, byte[] bs, int fromIndex) {
- if (hex == null || hex.equals("")) {
- return fromIndex;
- }
- hex = hex.toUpperCase(Locale.ENGLISH);
- int length = hex.length() / 2;
- char[] hexChars = hex.toCharArray();
- byte[] d = new byte[length];
- for (int i = 0; i < length; i++) {
- int pos = i * 2;
- d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
+ * @param hex the hex string
+ * @return 杩斿洖 byte[]
+ */
+ public static int hex2Bytes(String hex, byte[] bs, int fromIndex) {
+ if (hex == null || hex.equals("")) {
+ return fromIndex;
+ }
+ hex = hex.toUpperCase(Locale.ENGLISH);
+ int length = hex.length() / 2;
+ char[] hexChars = hex.toCharArray();
+ byte[] d = new byte[length];
+ for (int i = 0; i < length; i++) {
+ int pos = i * 2;
+ d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
}
for(int i = 0 ; i < d.length; i++){
bs[fromIndex++] = d[i] ;
}
- return fromIndex ;
- }
-
- private static final char[] HEX_CHAR = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
- /**
- * 灏哹yte[]杞崲涓�16杩涘埗瀛楃涓�
- *
- * @param bytes 寰呰浆鎹yte[]
- * @return 杞崲鍚庣殑瀛楃涓�
- */
- public static String bytesToHex(byte[] bytes) {
- //涓�涓猙yte涓�8浣嶏紝鍙敤涓や釜鍗佸叚杩涘埗浣嶆爣璇�
- char[] buf = new char[bytes.length * 2];
- int a = 0;
- int index = 0;
- for (byte b : bytes) { // 浣跨敤闄や笌鍙栦綑杩涜杞崲
- if (b < 0) {
- a = 256 + b;
- } else {
- a = b;
- }
-
- buf[index++] = HEX_CHAR[a / 16];
- buf[index++] = HEX_CHAR[a % 16];
- }
- return new String(buf);
+ return fromIndex ;
}
/**
- * 灏�16杩涘埗瀛楃涓茶浆鎹负byte[]
- *
- * @param str 寰呰浆鎹㈠瓧绗︿覆
- * @return 杞崲鍚庣殑byte[]
+ * 鍗佸叚杩涘埗杞瓧鑺傛暟缁�
+ * @param hex the hex string
+ * @return 杩斿洖 byte[]
*/
- public static byte[] hexToBytes(String str) {
- if (str == null || "".equals(str.trim())) {
- return new byte[0];
+ public static int hex2Bytes_LE(String hex, byte[] bs, int fromIndex) {
+ if (hex == null || hex.equals("")) {
+ return fromIndex;
}
-
- byte[] bytes = new byte[str.length() / 2];
- for (int i = 0; i < str.length() / 2; i++) {
- String subStr = str.substring(i * 2, i * 2 + 2);
- bytes[i] = (byte) Integer.parseInt(subStr, 16);
+ hex = hex.toUpperCase(Locale.ENGLISH);
+ int length = hex.length() / 2;
+ char[] hexChars = hex.toCharArray();
+ byte[] d = new byte[length];
+ for (int i = 0; i < length; i++) {
+ int pos = i * 2;
+ d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
}
-
- return bytes;
+ for(int i = 0 ; i < d.length; i++){
+ bs[fromIndex++] = d[(d.length - 1) - i] ;
+ }
+ return fromIndex ;
}
+
/**
* Convert char to byte
* @param c char
- * @return byte
+ * @return 杩斿洖 byte
*/
private static byte charToByte(char c) {
return (byte) "0123456789ABCDEF".indexOf(c);
- }
-
+ }
+
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 鏁村舰杞垚BCD缂栫爜
- * @param l
- * @return
+ * @param i
+ * @return 杩斿洖
*/
public static byte[] int2BCD_BE(int i)throws Exception {
String str = "" + i;
@@ -1079,8 +1132,8 @@
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 鏁村舰杞垚BCD缂栫爜锛屽瓧鑺傞『搴忔槸鍊掔殑
- * @param l
- * @return
+ * @param i
+ * @return 杩斿洖
*/
public static byte[] int2BCD_LE(int i)throws Exception {
String str = "" + i;
@@ -1096,10 +1149,35 @@
}
/**
+ * 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
+ * 鏁村舰杞垚BCD缂栫爜锛屽瓧鑺傞『搴忔槸鍊掔殑
+ * @param i
+ * @param bs
+ * @param from
+ * @return 杩斿洖
+ */
+ public static void int2BCD_LE(int i, byte[] bs, int from)throws Exception {
+ String str = "" + i;
+ byte[] b = null;
+ if (str.length() % 2 == 0) {
+ b = new byte[str.length() / 2];
+ } else {
+ b = new byte[(str.length() / 2) + 1];
+ }
+ encodeBCD_LE(str, b, 0, b.length);
+
+ int len = bs.length ;
+ int bLen = b.length ;
+ for(int j = 0; (j < len && j < bLen); j++){
+ bs[from + j] = b[j] ;
+ }
+ }
+
+ /**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 闀挎暣褰㈣浆鎴怋CD缂栫爜
* @param l
- * @return
+ * @return 杩斿洖
*/
public static byte[] long2BCD_BE(long l)throws Exception {
String str = "" + l;
@@ -1118,7 +1196,7 @@
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 闀挎暣褰㈣浆鎴怋CD缂栫爜锛屽瓧鑺傞『搴忔槸鍊掔殑
* @param l
- * @return
+ * @return 杩斿洖
*/
public static byte[] long2BCD_LE(long l) throws Exception {
String str = "" + l;
@@ -1137,30 +1215,30 @@
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 瀛楃涓插瀷鏁板瓧杞垚BCD缂栫爜
* @param s
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static byte[] string2BCD_BE(String s) throws Exception {
- byte[] b = null;
+ byte[] b ;
if (s.length() % 2 == 0) {
b = new byte[s.length() / 2];
} else {
b = new byte[(s.length() / 2) + 1];
}
-
+
encodeBCD_BE(s, b, 0, b.length);
return b ;
}
-
+
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 瀛楃涓茶浆鎹㈡垚byte鏁扮粍
* @value bs byte[]
* @value str String
* @value fromIndex int
- * @return
- * @throws java.io.Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父 寮傚父
*/
public static int string2BCD_BE(byte[] bs, String str, int fromIndex)throws Exception {
byte[] bb = string2BCD_BE(str);
@@ -1179,8 +1257,8 @@
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* 瀛楃涓插瀷鏁板瓧杞垚BCD缂栫爜锛屽瓧鑺傞『搴忔槸鍊掔殑
* @param s
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static byte[] string2BCD_LE(String s) throws Exception {
byte[] b = null;
@@ -1193,15 +1271,15 @@
return b;
}
-
+
/**
- * 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
+ * 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* 瀛楃涓茶浆鎹㈡垚byte鏁扮粍
* @value bs byte[]
* @value str String
* @value fromIndex int
- * @return
- * @throws java.io.Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父 寮傚父
*/
public static int string2BCD_LE(byte[] bs, String str, int fromIndex)throws Exception {
byte[] bb = string2BCD_LE(str);
@@ -1221,10 +1299,8 @@
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
* BCD缂栫爜杞垚鏁村瀷
* @param b
- * @param startIndex
- * @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static int BCD2Int_BE(byte b) throws Exception {
String str = "";
@@ -1237,10 +1313,8 @@
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
* BCD缂栫爜杞垚鏁村瀷锛屽瓧鑺傞『搴忔槸鍊掔殑
* @param b
- * @param startIndex
- * @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static int BCD2Int_LE(byte b) throws Exception {
String str = "";
@@ -1255,8 +1329,8 @@
* @param b
* @param startIndex
* @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static int BCD2Int_BE(byte[] b, int startIndex, int endIndex)throws Exception {
String str = "";
@@ -1271,8 +1345,8 @@
* @param b
* @param startIndex
* @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static int BCD2Int_LE(byte[] b, int startIndex, int endIndex)throws Exception {
String str = "";
@@ -1287,8 +1361,8 @@
* @param b
* @param startIndex
* @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static long BCD2Long_BE(byte[] b, int startIndex, int endIndex)throws Exception {
String str = "";
@@ -1304,14 +1378,13 @@
* @param b
* @param startIndex
* @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static long BCD2Long_LE(byte[] b, int startIndex, int endIndex)throws Exception {
String str = "";
str = decodeBCD_LE(b, startIndex, endIndex - startIndex + 1);
- long n = Long.parseLong(str);
- return n;
+ return Long.parseLong(str);
}
/**
@@ -1320,8 +1393,8 @@
* @param b
* @param startIndex
* @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static String BCD2String_BE(byte[] b, int startIndex, int endIndex) throws Exception {
return decodeBCD_BE(b, startIndex, endIndex - startIndex + 1);
@@ -1333,8 +1406,8 @@
* @param b
* @param startIndex
* @param endIndex
- * @return
- * @throws Exception
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static String BCD2String_LE(byte[] b, int startIndex, int endIndex) throws Exception {
return decodeBCD_LE(b, startIndex, endIndex - startIndex + 1);
@@ -1342,17 +1415,17 @@
/**
* 澶х妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍楂樺瓧鑺傘��
- * 缂栫爜BCD锛屼緥濡�1387缂栫爜鎴� 13 87锛岄『搴忔槸姝ｇ殑
+ * 缂栫爜BCD锛屼緥濡�1387缂栫爜鎴� 13 87锛岄『搴忔槸姝ｇ殑
* @param value
* @param dest
* @param startIndex
- * @param length
+ * @param length 闀垮害
*/
private static void encodeBCD_BE(String value, byte[] dest, int startIndex, int length)throws Exception {
if (value == null || !value.matches("\\d*")) {
throw new Exception("鏁板瓧杞垚BCD缂栫爜鏃跺嚭閿欙紝涓嶆槸鍚堟硶鏁板瓧:" + value, null);
}
-
+
int[] tmpInts = new int[2 * length];
int index = value.length() - 1;
for (int i = tmpInts.length - 1; i >= 0 && index >= 0; i--, index--) {
@@ -1362,20 +1435,20 @@
dest[i] = (byte) (tmpInts[2 * j] * 16 + tmpInts[2 * j + 1]);
}
}
-
+
/**
* 灏忕妯″紡銆婃暟鎹綆浣嶅湪鏁扮粍浣庡瓧鑺傘��
- * 缂栫爜BCD锛屼緥濡�1387缂栫爜鎴� 87 13锛岄『搴忔槸鍊掔殑
+ * 缂栫爜BCD锛屼緥濡�1387缂栫爜鎴� 87 13锛岄『搴忔槸鍊掔殑
* @param value
* @param dest
* @param startIndex
- * @param length
+ * @param length 闀垮害
*/
private static void encodeBCD_LE(String value, byte[] dest, int startIndex, int length)throws Exception {
if (value == null || !value.matches("\\d*")) {
throw new Exception("鏁板瓧杞垚BCD缂栫爜鏃跺嚭閿欙紝涓嶆槸鍚堟硶鏁板瓧:" + value, null);
}
-
+
int[] tmpInts = new int[2 * length];
int index = value.length() - 1;
for (int i = 0; i <= tmpInts.length - 1 && index >= 0; i++, index--) {
@@ -1393,8 +1466,8 @@
* 瑙ｇ爜BCD锛岄『搴忔槸姝ｇ殑
* @param src
* @param startIndex
- * @param length
- * @return
+ * @param length 闀垮害
+ * @return 杩斿洖
*/
private static String decodeBCD_BE(byte[] src, int startIndex, int length)throws Exception {
StringBuilder sb = new StringBuilder();
@@ -1415,8 +1488,8 @@
* 缂栫爜BCD锛岄『搴忔槸鍊掔殑
* @param src
* @param startIndex
- * @param length
- * @return
+ * @param length 闀垮害
+ * @return 杩斿洖
*/
private static String decodeBCD_LE(byte[] src, int startIndex, int length)throws Exception {
StringBuilder sb = new StringBuilder();
@@ -1462,6 +1535,7 @@
// System.out.println(v5);
//
// }
+ /*
public static void main(String[] args) throws Exception {
byte[] bs = new byte[]{0x38, 0x36, 0x39, 0x31} ;
String s = bytes2String_BE(bs, 0, 3) ;
@@ -1475,5 +1549,6 @@
}
System.out.println(v);
}
-
+ */
+
}
--
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