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autumn.g@foxmail.com
2024-02-20 16:05:54 +08:00
parent fd51d1a357
commit 055a55cda1
7 changed files with 60 additions and 47 deletions
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17
jsowell-common/src/main/java/com/jsowell/common/util/BytesUtil.java
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@@ -1,9 +1,9 @@
package com.jsowell.common.util;
import com.google.common.primitives.Bytes;
import com.jsowell.common.constant.Constants;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.util.Date;
@@ -563,6 +563,9 @@ public class BytesUtil {
* @Description 16进制字符串转字节数组
*/
public static byte[] hexString2Bytes(String src) {
if (src.startsWith(Constants.HEX_PREFIX)) {
src = StringUtils.replace(src, Constants.HEX_PREFIX, "");
}
int l = src.length() / 2;
byte[] ret = new byte[l];
for (int i = 0; i < l; i++) {
@@ -631,12 +634,12 @@ public class BytesUtil {
* @param bigDecimal
* @return
*/
public static byte[] bigDecimal2Bcd(BigDecimal bigDecimal) {
int i = Float.floatToIntBits(bigDecimal.floatValue());
String hexString = Integer.toHexString(i);
return hexString2Bytes(hexString);
}
// public static byte[] bigDecimal2Bcd(BigDecimal bigDecimal) {
// int i = Float.floatToIntBits(bigDecimal.floatValue());
// String hexString = Integer.toHexString(i);
// return hexString2Bytes(hexString);
//
// }
/**
* int 转 byte[]

52
jsowell-common/src/main/java/com/jsowell/common/util/YKCUtils.java
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@@ -1,6 +1,7 @@
package com.jsowell.common.util;
import com.google.common.primitives.Bytes;
import com.jsowell.common.constant.Constants;
import com.jsowell.common.core.domain.ykc.YKCFrameTypeCode;
import lombok.extern.slf4j.Slf4j;
@@ -112,16 +113,27 @@ public class YKCUtils {
}
/**
* byte转帧类型字符串
* byte转帧类型字符串 如："01"--> "0x01"
* @param bytes
* @return
*/
public static String frameType2Str(byte[] bytes) {
String s = BytesUtil.bin2HexStr(bytes);
return "0x" + s;
return Constants.HEX_PREFIX + s;
}
public static byte[] frameTypeStr2Bytes(String frameTypeStr) {
byte[] bytes = BytesUtil.hexString2Bytes(frameTypeStr);
return bytes;
}
public static void main(String[] args) {
String frameTypeStr = "0x01";
byte[] bytes = frameTypeStr2Bytes(frameTypeStr);
System.out.println("转为byte数组:" + Arrays.toString(bytes));
String frameType2Str = frameType2Str(bytes);
System.out.println("转为Str:" + frameType2Str);
// String hexString = "681E0000003388000000000027012302081602434533880000000000270101008361";
// byte[] byteArray = new byte[hexString.length() / 2];
// for (int i = 0; i < byteArray.length; i++) {
@@ -135,24 +147,24 @@ public class YKCUtils {
// System.out.println(binary);
// System.out.println(aaa);
String targetCRC = "0abb";
String substring = StringUtils.substring(targetCRC, 0, 2);
String substring1 = StringUtils.substring(targetCRC, 2, 4);
String crc = substring1 + substring;
String hexString = "4f";
byte[] bytes = new byte[]{0x4f};
String s = transitionTemperature(bytes);
System.out.println(s);
byte[] bytess = new byte[]{(byte) 0x80, (byte) 0x1A, 0x06, 0x00};
String s1 = convertDecimalPoint(bytess, 5);
System.out.println(s1);
String amount = "1000";
byte[] priceByte = getPriceByte(amount, 2);
System.out.println(BytesUtil.bin2HexStr(priceByte));
// String targetCRC = "0abb";
// String substring = StringUtils.substring(targetCRC, 0, 2);
// String substring1 = StringUtils.substring(targetCRC, 2, 4);
// String crc = substring1 + substring;
//
// String hexString = "4f";
// byte[] bytes = new byte[]{0x4f};
//
// String s = transitionTemperature(bytes);
// System.out.println(s);
//
// byte[] bytess = new byte[]{(byte) 0x80, (byte) 0x1A, 0x06, 0x00};
// String s1 = convertDecimalPoint(bytess, 5);
// System.out.println(s1);
//
// String amount = "1000";
// byte[] priceByte = getPriceByte(amount, 2);
// System.out.println(BytesUtil.bin2HexStr(priceByte));
}
/**