EndOfTheDay - C++ Builder

C++ Builder 参考手册 ➙ System::Dateutils ➙ EndOfTheDay

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这个日期时间所在天的结束时间，这一天的 23:59:59.999

头文件：#include
命名空间：System::Dateutils
函数原型：

System::TDateTime __fastcall EndOfTheDay(const System::TDateTime AValue);

参数：

• AValue：日期时间；

返回值：

• 这个日期时间所在天的结束时间，这一天的 23:59:59.999；
• 程序通常判断小于下一天的开始时间 00:00:00.000，而不是判断小于等于这一天的结束时间。

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例：

#include 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    TDateTime dt = Sysutils::Now();
    Memo1->Lines->Add(FormatDateTime(L"yyyy/mm/dd hh:nn:ss.zzz", dt));
    Memo1->Lines->Add(FormatDateTime(L"yyyy/mm/dd hh:nn:ss.zzz", StartOfTheDay(dt)));
    Memo1->Lines->Add(FormatDateTime(L"yyyy/mm/dd hh:nn:ss.zzz", EndOfTheDay(dt)));
}

运行结果：

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相关：

• System::Dateutils::StartOfTheYear
• System::Dateutils::EndOfTheYear
• System::Dateutils::StartOfTheMonth
• System::Dateutils::EndOfTheMonth
• System::Dateutils::StartOfTheWeek
• System::Dateutils::EndOfTheWeek
• System::Dateutils::StartOfTheDay
• System::Dateutils::EndOfTheDay
• System::Dateutils::StartOfAYear
• System::Dateutils::EndOfAYear
• System::Dateutils::StartOfAMonth
• System::Dateutils::EndOfAMonth
• System::Dateutils::StartOfAWeek
• System::Dateutils::EndOfAWeek
• System::Dateutils::StartOfADay
• System::Dateutils::EndOfADay
• System::Dateutils::StartOfADay
• System::Dateutils::EndOfADay
• System::Dateutils::DaysInYear
• System::Dateutils::DaysInAYear
• System::Dateutils::DaysInMonth
• System::Dateutils::DaysInAMonth
• System::Dateutils::WeeksInYear
• System::Dateutils::WeeksInAYear
• System::Dateutils

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C++ Builder 参考手册 ➙ System::Dateutils ➙ EndOfTheDay