From d5adf9f2e2b02baaebf1c5c673ca4a4899f1db5f Mon Sep 17 00:00:00 2001
From: zuoxiao <470321431@qq.com>
Date: 星期二, 14 五月 2024 14:01:14 +0800
Subject: [PATCH] 1.隐藏一些不需要的信息 2.将卡号倒序显示，但是制作管理卡时正序写入。
---
baselibrary/src/main/java/com/dayu/baselibrary/tools/HexUtil.java | 70 +++++++++++++++++++----------------
1 files changed, 38 insertions(+), 32 deletions(-)
diff --git a/baselibrary/src/main/java/com/dayu/baselibrary/tools/HexUtil.java b/baselibrary/src/main/java/com/dayu/baselibrary/tools/HexUtil.java
index 189af92..19f3ca7 100644
--- a/baselibrary/src/main/java/com/dayu/baselibrary/tools/HexUtil.java
+++ b/baselibrary/src/main/java/com/dayu/baselibrary/tools/HexUtil.java
@@ -48,23 +48,11 @@
for (int i = 0; i < byteList.size(); i++) {
byteArray[i] = byteList.get(i);
}
- String hex = bytesToHexNoAppen(byteArray);
+ String hex = bytesToHex(byteArray);
return Integer.parseInt(hex, 16);
}
- /**
- * byte 鏁扮粍杞�16杩涘埗瀛楃涓� 涓嶅姞0鍓嶇紑
- * @param bytes
- * @return
- */
- public static String bytesToHexNoAppen(byte[] bytes) {
- StringBuffer sb = new StringBuffer();
- for (int i = 0; i < bytes.length; i++) {
- String hex = Integer.toHexString(bytes[i] & 0xFF);
- sb.append(hex);
- }
- return sb.toString();
- }
+
public static int getBcdToInt(byte data) {
return ((data & 0xF0) >> 4) * 10 + ((data & 0x0F));
@@ -104,20 +92,6 @@
return bufferLittleEndian.getFloat();
}
- /**
- * 灏嗗甫绗﹀彿鐨�32浣嶆诞鐐规暟瑁呮崲byte鏁扮粍
- * 浣庝綅鍦ㄥ墠楂樹綅鍦ㄥ悗
- *
- * @param value
- * @return
- */
- public static byte[] folatToByte(Float value) {
- ByteBuffer buffer = ByteBuffer.allocate(4); // 4涓瓧鑺�
- buffer.order(ByteOrder.LITTLE_ENDIAN);
- buffer.putFloat(value);
- byte[] byteArray = buffer.array();
- return byteArray;
- }
/**
* hex瀛楃涓茶浆byte鏁扮粍
@@ -190,9 +164,6 @@
}
-
-
-
/**
* 灏� 4瀛楄妭鐨�16杩涘埗瀛楃涓诧紝杞崲涓�32浣嶅甫绗﹀彿鐨勫崄杩涘埗娴偣鍨�
*
@@ -211,6 +182,37 @@
*/
public static String folatToHexString(Float value) {
return Integer.toHexString(Float.floatToIntBits(value));
+ }
+
+
+ /**
+ * float杞琀ex浣庝綅鍦ㄥ墠楂樹綅鍦ㄥ悗
+ *
+ * @param value
+ * @return
+ */
+ public static String floatToHexLowHigh(Float value) {
+ String hexString = Integer.toHexString(Float.floatToIntBits(value));
+ hexString = spaceHex(hexString);
+ hexString = HighLowHex(hexString);
+ return hexString;
+ }
+
+
+ public static float hexToFloatLowHigh(byte[] data) {
+ List<Byte> byteList = new ArrayList<>();
+ for (byte b : data) {
+ byteList.add(b);
+ }
+ Collections.reverse(byteList);
+ byte[] byteArray = new byte[byteList.size()];
+ for (int i = 0; i < byteList.size(); i++) {
+ byteArray[i] = byteList.get(i);
+ }
+ String hex = bytesToHex(byteArray);
+ int intValue = Integer.parseInt(hex, 16); // 灏嗗崄鍏繘鍒跺瓧绗︿覆杞崲涓烘暣鏁拌〃绀�
+ float floatValue = Float.intBitsToFloat(intValue); // 灏嗘暣鏁拌〃绀鸿浆鎹负娴偣鏁�
+ return floatValue;
}
/**
@@ -282,6 +284,10 @@
* @return
*/
public static String spaceHex(String str) {
+ if (str.length() % 2 != 0) {
+ //濂囨暟鏃跺墠闈㈠姞0琛ラ綈绉颁负鍋舵暟
+ str = "0" + str;
+ }
char[] array = str.toCharArray();
if (str.length() <= 2) return str;
StringBuffer bufferHex = new StringBuffer();
@@ -302,7 +308,7 @@
* @param str
* @return
*/
- private static String HighLowHex(String str) {
+ public static String HighLowHex(String str) {
if (str.trim().length() <= 2) return str;
List<String> list = Arrays.asList(str.split(" "));
Collections.reverse(list);
--
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