【.Net 学习系列】-- Windows服务定时运行，判断当前时间是否在配置时间段内

        /// <summary>
        /// 判断程序是否在设置运行时间内
        /// </summary>
        /// <param name="startTime">开始执行时间</param>
        /// <param name="overTime">执行结束时间</param>
        /// <returns>true：在执行时间内，false：在执行时间外</returns>
        private bool IsRunTime(string startTime, string overTime)
        {
            var flag = false;

            var beginTime = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd") + " " + startTime);
            var endTime = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd") + " " + overTime);

            if (beginTime <= endTime)   // 当天
            {
                flag = beginTime <= DateTime.Now && DateTime.Now <= endTime;
            }
            else    // 跨天
            {
                var zeroTime = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd") + " 00:00");
                flag = (beginTime <= DateTime.Now && DateTime.Now <= zeroTime.AddDays(1)) || (zeroTime <= DateTime.Now && DateTime.Now <= endTime);
            }

            return flag;
        }