using System.Text;

namespace utils
{
    /// <summary>
    /// 通用函数库
    /// </summary>
    public static class utilsFun
    {
        private const string ValidChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_+-=[]{}|;:',.<>?/`~";

        public static string GenerateRandomString(int length)
        {
            StringBuilder builder = new StringBuilder();
            Random random = new Random();

            for (int i = 0; i < length; i++)
            {
                int index = random.Next(ValidChars.Length);
                char randomChar = ValidChars[index];
                builder.Append(randomChar);
            }

            return builder.ToString();
        }
    }
}