From 8efb5a8cd2c8a6b40e58f4f3fb851d54cf415af9 Mon Sep 17 00:00:00 2001
From: jiazx0107@163.com <jiazx0107@163.com>
Date: 星期日, 24 十二月 2023 01:23:55 +0800
Subject: [PATCH] 游仙协议解析-1
---
src/main/java/com/fzzy/api/utils/BytesUtil.java | 92 ++++++++++++++++++++++++++++++++++-----------
1 files changed, 69 insertions(+), 23 deletions(-)
diff --git a/src/main/java/com/fzzy/api/utils/BytesUtil.java b/src/main/java/com/fzzy/api/utils/BytesUtil.java
index af40a1d..af4348e 100644
--- a/src/main/java/com/fzzy/api/utils/BytesUtil.java
+++ b/src/main/java/com/fzzy/api/utils/BytesUtil.java
@@ -320,29 +320,6 @@
return String.format("%04x", num).toUpperCase();
}
- // 璁＄畻16杩涘埗瀵瑰簲鐨勬暟鍊�
- public static int GetHex(char ch) throws Exception {
- if (ch >= '0' && ch <= '9')
- return (int) (ch - '0');
- if (ch >= 'a' && ch <= 'f')
- return (int) (ch - 'a' + 10);
- if (ch >= 'A' && ch <= 'F')
- return (int) (ch - 'A' + 10);
- throw new Exception("error param");
- }
-
- // 璁＄畻骞�
- public static int GetPower(int nValue, int nCount) throws Exception {
- if (nCount < 0)
- throw new Exception("nCount can't small than 1!");
- if (nCount == 0)
- return 1;
- int nSum = 1;
- for (int i = 0; i < nCount; ++i) {
- nSum = nSum * nValue;
- }
- return nSum;
- }
public static void main(String[] args) {
@@ -353,6 +330,7 @@
System.out.println(d2);
System.out.println(d1 + d2);
+
}
@@ -401,4 +379,72 @@
public static String folatToHexString(Float value) {
return Integer.toHexString(Float.floatToIntBits(value));
}
+
+ /**
+ * int杞�16杩涘埗瀛楃涓� 1浣嶇疆 00
+ *
+ * @param num
+ * @return
+ */
+ public static String intToHexStr1(int num) {
+ // 闇�瑕佷娇鐢�2瀛楄妭琛ㄧずb
+ return String.format("%02x", num).toUpperCase();
+ }
+
+ public static String hexString2binaryString(String hexString, int num) {
+ //16杩涘埗杞�10杩涘埗
+ BigInteger sint = new BigInteger(hexString, num);
+ //10杩涘埗杞�2杩涘埗
+ String str = sint.toString(2);
+ if(str.length() < num){
+ for (int i = str.length(); i < num; i++) {
+ str = "0" + str;
+ }
+ }
+ return str;
+ }
+
+ /**
+ * 灏嗕簩杩涘埗杞崲涓�10杩涘埗
+ * @param binStr
+ * @return
+ */
+ public static Integer biannary2Decimal(String binStr){
+
+ Integer sum = 0;
+ int len = binStr.length();
+
+ for (int i=1;i<=len;i++){
+ //绗琲浣� 鐨勬暟瀛椾负锛�
+ int dt = Integer.parseInt(binStr.substring(i-1,i));
+ sum+=(int)Math.pow(2,len-i)*dt;
+ }
+ return sum;
+ }
+
+ /**
+ * 浜岃繘鍒惰ˉ鐮侊細鍙栧弽鍙ｅ姞1
+ * @param str
+ * @return
+ */
+ public static Integer twoToString(String str) {
+ String two = "";
+ String[] split = str.split("");
+ for (int i = 0;i< split.length;i++){
+ if("1".equals(split[i])){
+ two += "0";
+ }else if("0".equals(split[i])){
+ two += "1";
+ }
+ }
+ return biannary2Decimal(two) + 1;
+ }
+
+ public static String byteToHex(byte b) {
+ String hex = Integer.toHexString(b & 0xFF);
+ if (hex.length() < 2) {
+ hex = "0" + hex;
+ }
+ return hex;
+ }
}
--
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