日历输出

private static void Main()
       {

           var cur = System.DateTime.Now;


           for (var i = 0; i < 12; i++)
           {
               pp(cur.AddMonths(i), 0);

               Console.WriteLine("*********************************************************");
           }

       }


       private static void pp(DateTime now, int offset)
       {
           var current = now.AddMonths(offset);

           var curMoth = current.Month;

           var curYear = current.Year;

           var calendarbegin = new DateTime(curYear, curMoth, 1);
           var calendarend = calendarbegin.AddMonths(1).AddDays(-1);

           var listd = new List<int>();

           int week1 = (int)calendarbegin.DayOfWeek;//获取当年当月1号的星期
           if (week1 > 0)
           {
               calendarbegin = calendarbegin.AddDays(-week1);
           }

           int week30 = (int)calendarend.DayOfWeek;

           if (week30 < 6)
           {
               calendarend = calendarend.AddDays(6 - week30);
           }


           var days = (calendarend - calendarbegin).Days + 1;

           Console.WriteLine(now.ToString() + "=>" + days);

           Console.WriteLine("日\t一\t二\t三\t四\t五\t六\t");

           for (int i = 0; i < days; i++)
           {
               if (i % 7 == 0)
                   Console.WriteLine();

               var output = calendarbegin.AddDays(i);
               string format = "{0}";
               if (output.Month != curMoth)
               {
                   format = "({0})";
               }

               Console.Write(string.Format(format, calendarbegin.AddDays(i).Day) + "\t");
           }

           Console.WriteLine();
       }