使用spring框架的md5进行优化可以直接效验字符串 字节 文件流 方便又卫生

ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Md5Utils.java

@@ -1,67 +1,42 @@
 package com.ruoyi.common.utils.sign;
 
-import java.nio.charset.StandardCharsets;
-import java.security.MessageDigest;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.util.DigestUtils;
+import java.io.IOException;
+import java.io.InputStream;
 
 /**
  * Md5加密方法
- * 
+ *
  * @author ruoyi
  */
-public class Md5Utils
-{
-    private static final Logger log = LoggerFactory.getLogger(Md5Utils.class);
+public class Md5Utils {
 
-    private static byte[] md5(String s)
-    {
-        MessageDigest algorithm;
-        try
-        {
-            algorithm = MessageDigest.getInstance("MD5");
-            algorithm.reset();
-            algorithm.update(s.getBytes("UTF-8"));
-            byte[] messageDigest = algorithm.digest();
-            return messageDigest;
-        }
-        catch (Exception e)
-        {
-            log.error("MD5 Error...", e);
-        }
-        return null;
+    /**
+     * 效验MD5
+     * @param s 任意字符串
+     * @return md5的值
+     */
+    public static String hash(String s) {
+        return hash(s.getBytes());
     }
 
-    private static final String toHex(byte hash[])
-    {
-        if (hash == null)
-        {
-            return null;
-        }
-        StringBuffer buf = new StringBuffer(hash.length * 2);
-        int i;
-
-        for (i = 0; i < hash.length; i++)
-        {
-            if ((hash[i] & 0xff) < 0x10)
-            {
-                buf.append("0");
-            }
-            buf.append(Long.toString(hash[i] & 0xff, 16));
-        }
-        return buf.toString();
+    /**
+     * 效验MD5
+     * @param s 字节
+     * @return md5的值
+     */
+    public static String hash(byte s[]) {
+        return DigestUtils.md5DigestAsHex(s);
     }
 
-    public static String hash(String s)
-    {
-        try
-        {
-            return new String(toHex(md5(s)).getBytes(StandardCharsets.UTF_8), StandardCharsets.UTF_8);
-        }
-        catch (Exception e)
-        {
-            log.error("not supported charset...{}", e);
-            return s;
-        }
+    /**
+     * 效验MD5
+     * @param s 文件流
+     * @return md5的值
+     */
+    public static String hash(InputStream s) throws IOException {
+        return DigestUtils.md5DigestAsHex(s);
     }
+
+
 }