鉴权

src/main/java/cn/van/business/util/JwtUtils.java

@@ -14,7 +14,7 @@ import java.util.Date;
 @Component
 public class JwtUtils {
 
-    private final String secret = "your-secret-key"; // 应配置在 application.yml 中
+    private final String secret = "7b78f5cc9735091442361c78b863607d"; // 应配置在 application.yml 中
     private final long expiration = 86400000 * 7; // 24小时
 
     /**

src/main/java/cn/van/business/util/Util.java

@@ -13,6 +13,8 @@ import org.springframework.web.util.HtmlUtils;
 
 import java.io.*;
 import java.math.BigDecimal;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.*;
 
 /**
@@ -23,6 +25,36 @@ Util {
 
     private static final Logger log = LoggerFactory.getLogger(Util.class);
 
+    /**
+     * 将字符串转换为 MD5 摘要
+     *
+     * @param input 原始字符串
+     * @return MD5 加密后的十六进制字符串
+     */
+    public static String md5(String input) {
+        try {
+            // 创建 MessageDigest 实例，指定 MD5 算法
+            MessageDigest md = MessageDigest.getInstance("MD5");
+
+            // 将输入字符串转换为字节数组并进行哈希计算
+            byte[] messageDigest = md.digest(input.getBytes());
+
+            // 将字节数组转换为十六进制字符串
+            StringBuilder hexString = new StringBuilder();
+            for (byte b : messageDigest) {
+                String hex = Integer.toHexString(0xff & b);
+                if (hex.length() == 1)
+                    hexString.append('0'); // 补零
+                hexString.append(hex);
+            }
+
+            return hexString.toString();
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("MD5加密失败", e);
+        }
+    }
+
+
     /**
      * byte数组倒序
      *