using System;

namespace HK
{
    public static class GuidGenerator
    {
        /// <summary>
        /// 生成标准格式的唯一GUID（带连字符）
        /// 格式示例：f81d4fae-7dec-11d0-a765-00a0c91e6bf6
        /// </summary>
        public static string GenerateStandardGuid()
        {
            return Guid.NewGuid().ToString();
        }

        /// <summary>
        /// 生成无连字符的GUID
        /// 格式示例：f81d4fae7dec11d0a76500a0c91e6bf6
        /// </summary>
        public static string GenerateGuidWithoutHyphens()
        {
            return Guid.NewGuid().ToString("N");
        }

        /// <summary>
        /// 生成带大括号的GUID
        /// 格式示例：{f81d4fae-7dec-11d0-a765-00a0c91e6bf6}
        /// </summary>
        public static string GenerateGuidWithBraces()
        {
            return Guid.NewGuid().ToString("B");
        }

        /// <summary>
        /// 生成带引号的GUID
        /// 格式示例："f81d4fae-7dec-11d0-a765-00a0c91e6bf6"
        /// </summary>
        public static string GenerateGuidWithQuotes()
        {
            return Guid.NewGuid().ToString("X");
        }

        // 使用示例
        public static void ExampleUsage()
        {
            string standardGuid = GenerateStandardGuid();
            Console.WriteLine("标准格式GUID: " + standardGuid);

            string noHyphens = GenerateGuidWithoutHyphens();
            Console.WriteLine("无连字符GUID: " + noHyphens);

            string withBraces = GenerateGuidWithBraces();
            Console.WriteLine("带大括号GUID: " + withBraces);
        }
    }

}