From b3b17b231e2f2840332ce6eb96f791865fdec6d5 Mon Sep 17 00:00:00 2001
From: zhubaomin <zhubaomin>
Date: 星期一, 14 四月 2025 16:38:16 +0800
Subject: [PATCH] 代码优化
---
pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/BCDUtil.java | 273 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 273 insertions(+), 0 deletions(-)
diff --git a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/BCDUtil.java b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/BCDUtil.java
new file mode 100644
index 0000000..dfd7591
--- /dev/null
+++ b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/BCDUtil.java
@@ -0,0 +1,273 @@
+package com.dy.common.util;
+
+/**
+ * @Author: liurunyu
+ * @Date: 2024/7/27 15:50
+ * @Description
+ */
+public class BCDUtil {
+
+ /**
+ *
+ * @param num
+ * @return
+ */
+ public static byte[] int2BCD_LE(int num){
+ int len = (int) Math.log10(num) + 1 ;
+ byte[] bs = null ;
+ if(len % 2 == 0){
+ bs = new byte[len / 2] ;
+ }else{
+ bs = new byte[len / 2 + 1] ;
+ }
+ int index = 0 ;
+ while(num > 0){
+ int yu = num % 100 ;
+ bs[index++] = (byte)(((yu/10) << 4) + (yu%10)) ;
+ num = num / 100 ;
+ }
+ return bs ;
+ }
+
+ /**
+ *
+ * @param num
+ * @return
+ */
+ public static byte[] int2BCD_BE(int num){
+ int len = (int) Math.log10(num) + 1 ;
+ byte[] bs = null ;
+ if(len % 2 == 0){
+ bs = new byte[len / 2] ;
+ }else{
+ bs = new byte[len / 2 + 1] ;
+ }
+ int index = bs.length - 1 ;
+ while(num > 0){
+ int yu = num % 100 ;
+ bs[index--] = (byte)(((yu/10) << 4) + (yu%10)) ;
+ num = num / 100 ;
+ }
+ return bs ;
+ }
+
+ /**
+ *
+ * @param num
+ * @return
+ */
+ public static byte[] long2BCD_LE(long num){
+ int len = (int) Math.log10(num) + 1 ;
+ byte[] bs = null ;
+ if(len % 2 == 0){
+ bs = new byte[len / 2] ;
+ }else{
+ bs = new byte[len / 2 + 1] ;
+ }
+ int index = 0 ;
+ while(num > 0){
+ long yu = num % 100 ;
+ bs[index++] = (byte)(((yu/10) << 4) + (yu%10)) ;
+ num = num / 100 ;
+ }
+ return bs ;
+ }
+
+ /**
+ *
+ * @param num
+ * @return
+ */
+ public static byte[] long2BCD_BE(long num){
+ int len = (int) Math.log10(num) + 1 ;
+ byte[] bs = null ;
+ if(len % 2 == 0){
+ bs = new byte[len / 2] ;
+ }else{
+ bs = new byte[len / 2 + 1] ;
+ }
+ int index = bs.length - 1 ;
+ while(num > 0){
+ long yu = num % 100 ;
+ bs[index--] = (byte)(((yu/10) << 4) + (yu%10)) ;
+ num = num / 100 ;
+ }
+ return bs ;
+ }
+
+ /**
+ *
+ * @param numStr
+ * @return
+ */
+ public static byte[] string2BCD_LE(String numStr) throws Exception{
+ if (numStr == null || !numStr.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:" + numStr, null);
+ }
+ int numLen = numStr.length() ;
+ int byteLen = 0 ;
+ if(numLen % 2 == 0){
+ byteLen = numLen / 2 ;
+ }else{
+ byteLen = numLen / 2 + 1 ;
+ }
+
+ int[] tmpInts = new int[byteLen * 2];
+ int index = numStr.length() - 1;
+ for (int i = 0; i <= tmpInts.length - 1 && index >= 0; i++, index--) {
+ tmpInts[i] = numStr.charAt(index) - '0';
+ }
+ byte[] bs = new byte[byteLen] ;
+ for (int i = 0, j = 0; i < byteLen; i++, j++) {
+ bs[i] = (byte) (tmpInts[2 * j + 1] * 16 + tmpInts[2 * j]);
+ }
+
+ return bs ;
+ }
+
+ /**
+ *
+ * @param numStr
+ * @return
+ */
+ public static byte[] string2BCD_BE(String numStr) throws Exception{
+ if (numStr == null || !numStr.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:" + numStr, null);
+ }
+ int numLen = numStr.length() ;
+ int byteLen = 0 ;
+ if(numLen % 2 == 0){
+ byteLen = numLen / 2 ;
+ }else{
+ byteLen = numLen / 2 + 1 ;
+ }
+
+ int[] tmpInts = new int[byteLen * 2];
+ int index = numStr.length() - 1;
+ for (int i = tmpInts.length - 1; i >= 0 && index >= 0; i--, index--) {
+ tmpInts[i] = numStr.charAt(index) - '0';
+ }
+ byte[] bs = new byte[byteLen] ;
+ for (int i = 0, j = 0; i < byteLen; i++, j++) {
+ bs[i] = (byte) (tmpInts[2 * j] * 16 + tmpInts[2 * j + 1]);
+ }
+
+ return bs ;
+ }
+
+ /**
+ *
+ * @param bs
+ * @return
+ */
+ public static int BCD2Int_LE(byte[] bs){
+ int num = 0 ;
+ int multiple = 1 ;
+ for(int i = 0; i < bs.length; i++){
+ num += (((bs[i] >> 4) * 10) + (bs[i] & 0xF)) * multiple ;
+ multiple = multiple * 100 ;
+ }
+ return num ;
+ }
+
+ /**
+ *
+ * @param bs
+ * @return
+ */
+ public static int BCD2Int_BE(byte[] bs){
+ int num = 0 ;
+ int multiple = 1 ;
+ for(int i = bs.length-1; i >= 0 ; i--){
+ num += (((bs[i] >> 4) * 10) + (bs[i] & 0xF)) * multiple ;
+ multiple = multiple * 100 ;
+ }
+ return num ;
+ }
+
+ /**
+ *
+ * @param bs
+ * @return
+ */
+ public static long BCD2Long_LE(byte[] bs){
+ long num = 0 ;
+ long multiple = 1 ;
+ for(int i = 0; i < bs.length; i++){
+ num += (((bs[i] >> 4) * 10) + (bs[i] & 0xF)) * multiple ;
+ multiple = multiple * 100 ;
+ }
+ return num ;
+ }
+
+ /**
+ *
+ * @param bs
+ * @return
+ */
+ public static long BCD2Long_BE(byte[] bs){
+ long num = 0 ;
+ long multiple = 1 ;
+ for(int i = bs.length-1; i >= 0 ; i--){
+ num += (((bs[i] >> 4) * 10) + (bs[i] & 0xF)) * multiple ;
+ multiple = multiple * 100 ;
+ }
+ return num ;
+ }
+
+ /**
+ *
+ * @param bs
+ * @return
+ */
+ public static String BCD2String_LE(byte[] bs) throws Exception{
+ StringBuilder sb = new StringBuilder();
+ for (int i = (bs.length - 1); i >= 0; i--) {
+ int value = (bs[i] + 256) % 256;
+ sb.append((char) (value / 16 + '0')).append((char) (value % 16 + '0'));
+ }
+
+ String result = sb.toString();
+ if (!result.matches("\\d*")) {
+ throw new Exception("瑙ｇ爜BCD锛屼絾鏁版嵁闈濨CD鐮侊紒");
+ }
+ return result;
+ }
+
+ /**
+ *
+ * @param bs
+ * @return
+ */
+ public static String BCD2String_BE(byte[] bs) throws Exception{
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < bs.length ; i++) {
+ int value = (bs[i] + 256) % 256;
+ sb.append((char) (value / 16 + '0')).append((char) (value % 16 + '0'));
+ value++;
+ }
+ String result = sb.toString();
+ if (!result.matches("\\d*")) {
+ throw new Exception("瑙ｇ爜BCD锛屼絾鏁版嵁锛�" + result + "闈濨CD鐮侊紒");
+ }
+ return result;
+ }
+
+ public static void main(String[] args) throws Exception {
+ int num = 1234567;
+ byte[] bs = int2BCD_LE(num) ;
+ int num_ =BCD2Int_LE(bs) ;
+ System.out.println(num_);
+ bs = int2BCD_BE(num) ;
+ num_ = BCD2Int_BE(bs);
+ System.out.println(num_);
+
+ String str = "12345678901234567890" ;
+ bs = string2BCD_LE(str) ;
+ String str_ = BCD2String_LE(bs) ;
+ System.out.println(str_);
+ bs = string2BCD_BE(str) ;
+ str_ = BCD2String_BE(bs) ;
+ System.out.println(str_);
+ }
+}
--
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