From 4f3a98f19143865cdc1de4791e8a95d96bd40c65 Mon Sep 17 00:00:00 2001
From: maven <2163098428@qq.com>
Date: 星期五, 01 八月 2025 13:27:59 +0800
Subject: [PATCH] yys 密码已重置
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/Md5Util.java | 68 ++++++++++++++++++++++++++++++++++
1 files changed, 68 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/Md5Util.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/Md5Util.java
new file mode 100644
index 0000000..a56ecf1
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/Md5Util.java
@@ -0,0 +1,68 @@
+package com.ruoyi.common.utils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * @author cxf
+ */
+public class Md5Util {
+ /**
+ * 榛樿鐨勫瘑鐮佸瓧绗︿覆缁勫悎锛岀敤鏉ュ皢瀛楄妭杞崲鎴� 16 杩涘埗琛ㄧず鐨勫瓧绗�
+ */
+ protected static char hexDigits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+ protected static MessageDigest messagedigest = null;
+
+ static {
+ try {
+ messagedigest = MessageDigest.getInstance("MD5");
+ } catch (NoSuchAlgorithmException e) {
+ e.printStackTrace();
+ }
+ }
+
+ public static String getFileMd5String(File file) throws IOException {
+ InputStream fis;
+ fis = new FileInputStream(file);
+ byte[] buffer = new byte[1024];
+ int numRead = 0;
+ while ((numRead = fis.read(buffer)) > 0) {
+ messagedigest.update(buffer, 0, numRead);
+ }
+ fis.close();
+ return bufferToHex(messagedigest.digest());
+ }
+
+ public static String getStringMd5(String str) {
+ byte[] buffer = str.getBytes();
+ messagedigest.update(buffer);
+ return bufferToHex(messagedigest.digest());
+ }
+
+ public static String bufferToHex(byte bytes[]) {
+ return bufferToHex(bytes, 0, bytes.length);
+ }
+
+ private static String bufferToHex(byte bytes[], int m, int n) {
+ StringBuffer stringbuffer = new StringBuffer(2 * n);
+ int k = m + n;
+ for (int l = m; l < k; l++) {
+ appendHexPair(bytes[l], stringbuffer);
+ }
+ return stringbuffer.toString();
+ }
+
+ private static void appendHexPair(byte bt, StringBuffer stringbuffer) {
+ // 鍙栧瓧鑺備腑楂� 4 浣嶇殑鏁板瓧杞崲
+ char c0 = hexDigits[(bt & 0xf0) >> 4];
+ // 涓洪�昏緫鍙崇Щ锛屽皢绗﹀彿浣嶄竴璧峰彸绉�,姝ゅ鏈彂鐜颁袱绉嶇鍙锋湁浣曚笉鍚�
+ // 鍙栧瓧鑺備腑浣� 4 浣嶇殑鏁板瓧杞崲
+ char c1 = hexDigits[bt & 0xf];
+ stringbuffer.append(c0);
+ stringbuffer.append(c1);
+ }
+}
--
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