- 小飞机和蓝奏优享规则修改 #40

- 支持移动云云空间加密分享

parser/src/main/java/cn/qaiu/util/UUIDUtil.java

@@ -0,0 +1,35 @@
+package cn.qaiu.util;
+
+import java.security.SecureRandom;
+
+/**
+ * @author <a href="https://qaiu.top">QAIU</a>
+ * @date 2024/5/13 4:10
+ */
+public class UUIDUtil {
+
+    public static String fjUuid() {
+        return generateRandomString(21);
+    }
+
+    public static String generateRandomString(int length) {
+        SecureRandom random = new SecureRandom();
+        byte[] randomBytes = new byte[length];
+        random.nextBytes(randomBytes);
+
+        StringBuilder sb = new StringBuilder();
+        for (byte b : randomBytes) {
+            int value = b & 0x3F; // 63 in hexadecimal
+            if (value < 36) {
+                sb.append(Integer.toString(value, 36));
+            } else if (value < 62) {
+                sb.append(Character.toUpperCase(Integer.toString(value - 26, 36).charAt(0)));
+            } else if (value > 62) {
+                sb.append("-");
+            } else { // value == 62 or 63
+                sb.append("_");
+            }
+        }
+        return sb.toString();
+    }
+}