获取当天距离指定星期字符串的时差

        /// 获取当天距离指定星期字符串的时差（以秒为单位）当天返回0，其他返回距离0点的时差
        public static int HowLangToSelWeeks(int CurWeek, int[] selWeeks)
        {            
            int[] intAllWeek = { 0, 1, 2, 3, 4, 5, 6 }; // 全部星期
            //int CurWeek = (int)DateTime.Now.DayOfWeek;// 获取当前星期
            //int[] selWeeks = { 1,2,3 };

            int nAllCount = intAllWeek.Length;
            int nSelCount = selWeeks.Length;

            int[] newSel =new int[nSelCount];
            int[] weeks =new int[nSelCount]; 
            for(int i =0;i<nSelCount;i++)
            {
                newSel[i] = selWeeks[i] + nAllCount;
                weeks[i] = (newSel[i] - CurWeek) % nAllCount;
            }
            return weeks.Min();
        }