From 60bd6a383b3f7c0d4922517974da9525a0166b68 Mon Sep 17 00:00:00 2001
From: liurunyu <lry9898@163.com>
Date: 星期四, 07 十二月 2023 10:45:36 +0800
Subject: [PATCH] 文件误删除后，本地重新找回后提交
---
pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/ByteUtil.java | 446 +++++++++++++++++++++++++++++--------------------------
1 files changed, 236 insertions(+), 210 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..ce00ba0 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
@@ -9,7 +9,7 @@
* 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){
@@ -29,11 +29,11 @@
/**
* 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
+ * @throws Exception 寮傚父
*/
public static boolean bytesIsAll0xFF(byte[] bs, int index, int len)throws Exception {
int count = 0 ;
@@ -42,14 +42,14 @@
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
+ * @return 杩斿洖
+ * @throws Exception 寮傚父
*/
public static int binary2Int(String str) throws Exception {
int cnt=0;
@@ -69,13 +69,13 @@
return sum;
}
-
+
/**
* 瀛楄妭杞瓨浜岃繘鍒�
- *
+ *
* @param b byte
- * @throws Exception
- * @return String
+ * @throws Exception 寮傚父
+ * @return 杩斿洖 String
*/
public static String byte2Binary(byte b) throws Exception {
int n = (b + 256) % 256 + 256;
@@ -87,11 +87,11 @@
}
/**
* 瀛楄妭杞瓨8浣嶄簩杩涘埗
- *
+ *
* @param b
* byte
- * @throws Exception
- * @return String
+ * @throws Exception 寮傚父
+ * @return 杩斿洖 String
*/
public static String byte2bit8Binary(byte b) throws Exception {
String s = byte2Binary(b);
@@ -101,13 +101,13 @@
}
return s;
}
-
+
/**
* 瀛楄妭鍙朾it
* @param b
- * @param index
- * @throws Exception
- * @return String
+ * @param b
+ * @throws Exception 寮傚父
+ * @return 杩斿洖 String
*/
public static byte[] getBit(byte b) throws Exception {
byte[] bs = new byte[8] ;
@@ -125,9 +125,9 @@
/**
* 瀛楄妭鍙朾it
* @param b
- * @param index
- * @throws Exception
- * @return String
+ * @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 +153,11 @@
/**
* 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 ;
@@ -167,13 +167,13 @@
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);
@@ -188,9 +188,9 @@
/**
* 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);
@@ -205,8 +205,8 @@
/**
* 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 +216,8 @@
/**
* 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 +306,7 @@
/**
* 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 +315,8 @@
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 +325,12 @@
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 ;
@@ -347,16 +347,16 @@
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);
@@ -388,10 +388,10 @@
/**
* 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);
@@ -414,13 +414,13 @@
}
}
-
-
+
+
/**
* 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 ;
@@ -437,16 +437,16 @@
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);
@@ -479,10 +479,10 @@
/**
* 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);
@@ -551,8 +551,9 @@
/**
* 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);
@@ -573,13 +574,13 @@
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);
@@ -600,7 +601,7 @@
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��
@@ -674,14 +675,14 @@
/**
* 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 s0 = bs[from + 0] ;
int s1 = bs[from + 1] ;
// s1涓嶅彉
@@ -697,14 +698,14 @@
/**
* 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 s0 = bs[from + 0] ;
int s1 = bs[from + 1] ;
// s0涓嶅彉
@@ -718,11 +719,11 @@
}
/**
* 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 +736,9 @@
/**
* 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 +751,13 @@
/**
* 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 +772,7 @@
* @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 +798,7 @@
* @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 +824,7 @@
* @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 +846,7 @@
* @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 +898,10 @@
/**
* 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) {
@@ -911,104 +911,104 @@
}
}
-
+
/**
- * 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) {
+ 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);
+ stringBuilder.append(str);
} else {
- stringBuilder.append(" " + str);
+ stringBuilder.append(" " + str);
}
} else {
- stringBuilder.append(str);
+ 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 src 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[] src, boolean hasBlank, int from, int len){
+ if (src == null || src.length <= 0 || src.length < from + len) {
+ return null;
+ }
byte[] bb = new byte[len];
for (int i = 0 ; i < len; i++) {
bb[i] = src[from + i];
}
return bytes2Hex(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 ;
- }
+ 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�
+ * @return 杩斿洖 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�
@@ -1027,12 +1027,40 @@
}
return new String(buf);
}
+ /**
+ * 灏哹yte[]杞崲涓�16杩涘埗瀛楃涓�
+ *
+ * @param bytes 寰呰浆鎹yte[]
+ * @return 杩斿洖 杞崲鍚庣殑瀛楃涓�
+ */
+ public static String bytesToHex(byte[] bytes, int startIndex, int endIndex) {
+ byte[] bs = new byte[endIndex - startIndex + 1] ;
+ byte j = 0 ;
+ for(int i = startIndex; i <= endIndex; i++){
+ bs[j++] = bytes[i] ;
+ }
+ //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[bs.length * 2];
+ int a = 0;
+ int index = 0;
+ for (byte b : bs) { // 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);
+ }
/**
* 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[]
+ * @return 杩斿洖 杞崲鍚庣殑byte[]
*/
public static byte[] hexToBytes(String str) {
if (str == null || "".equals(str.trim())) {
@@ -1051,18 +1079,18 @@
/**
* 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 +1107,8 @@
/**
* 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;
@@ -1099,7 +1127,7 @@
* 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 +1146,7 @@
* 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 +1165,30 @@
* 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 +1207,8 @@
* 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 +1221,15 @@
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_LE(byte[] bs, String str, int fromIndex)throws Exception {
byte[] bb = string2BCD_LE(str);
@@ -1221,10 +1249,8 @@
* 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 +1263,8 @@
* 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 +1279,8 @@
* @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 +1295,8 @@
* @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 +1311,8 @@
* @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 = "";
@@ -1304,8 +1328,8 @@
* @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 = "";
@@ -1320,8 +1344,8 @@
* @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 +1357,8 @@
* @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 +1366,17 @@
/**
* 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 +1386,20 @@
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 +1417,8 @@
* 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 +1439,8 @@
* 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 +1486,7 @@
// 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 +1500,6 @@
}
System.out.println(v);
}
-
+ */
+
}
--
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