請問一個月中有多少天是星期幾? |
答題得分者是:richtop
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irvinehing
初階會員 發表:77 回覆:79 積分:31 註冊:2003-11-12 發送簡訊給我 |
void __fastcall TForm1::Button1Click(TObject *Sender) { int CurWeek = DayOfWeek(DateTimePicker1->Date) - 1; int EndDay = DayOf(EndOfTheMonth(DateTimePicker1->Date)); int Week = 0, Count = 0; for(int i = 0; i < EndDay; i ) { Week = CurWeek - (DayOfWeek(StartOfTheMonth(DateTimePicker1->Date) i) - 1); if(Week == 0) { Count ; } } Caption = Count; }請問有其他辦法找出一個月內有幾天是星期日或一或二或三或四或五或六? |
richtop
資深會員 發表:122 回覆:646 積分:468 註冊:2003-06-10 發送簡訊給我 |
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irvinehing
初階會員 發表:77 回覆:79 積分:31 註冊:2003-11-12 發送簡訊給我 |
謝謝你的方法,至少不用迴圈跑30次左右。
以下是我寫的程式碼:
void __fastcall TForm1::BitBtn1Click(TObject *Sender) { int LastDay = DayOf(EndOfTheMonth(DateTimePicker1->Date)); int FirstWeek = DayOfWeek(StartOfTheMonth(DateTimePicker1->Date)) - 1; int NowWeek = DayOfWeek(DateTimePicker1->Date) - 1; int Week = NowWeek - FirstWeek; if(Week == 0) { Week = 1; } else if(Week > 0) { Week = 1 Week; } else { Week = 1 (7 - abs(Week)); } ShowMessage(((LastDay - Week) / 7 ) 1); } |
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