用户新增，删除.

src/main/java/com/xuxd/kafka/console/utils/UUIDStrUtil.java

@@ -0,0 +1,22 @@
+package com.xuxd.kafka.console.utils;
+
+import java.util.UUID;
+
+/**
+ * @author: xuxd
+ * @date: 2023/5/6 13:30
+ **/
+public class UUIDStrUtil {
+
+    public static String random() {
+        return UUID.randomUUID().toString();
+    }
+
+    public static String generate(String ... strs) {
+        StringBuilder sb = new StringBuilder();
+        for (String str : strs) {
+            sb.append(str);
+        }
+        return UUID.nameUUIDFromBytes(sb.toString().getBytes()).toString();
+    }
+}