serverlicense.cs

这是可以加密&解密字符串

using System;

namespace GTT
{
    public class ServerLicense
    {
        private long _startTicks;
        private long _endTicks;

        public ServerLicense(long startTicks, long endTicks)
        {
            this._endTicks = endTicks;
            this._startTicks = startTicks;
        }

        /// <summary>
        /// 是否有效。
        /// </summary>
        public bool IsExpired
        {
            get
            {
                if (DateTime.Today.Ticks <= this._endTicks)
                {
                    return (DateTime.Now.Ticks < this._startTicks);
                }
                return true;
            }
        }

        /// <summary>
        /// 开始时间。
        /// </summary>
        public long StartTicks
        {
            get
            {
                return this._startTicks;
            }
        }

        /// <summary>
        /// 有效时间。
        /// </summary>
        public long EndTicks
        {
            get
            {
                return this._endTicks;
            }
        }
    }
}