Yesterday - C++ Builder

2022-07-13  本文已影响0人  玄坴

C++ Builder 参考手册System::DateutilsYesterday


获取昨天的日期

头文件:#include <System.DateUtils.hpp>
命名空间:System::Dateutils
函数原型:

System::TDateTime __fastcall Yesterday(void);

参数:

返回值:


例:测试和比较函数 NowDateTimeDateOfTimeOf、Today、Yesterday、Tomorrow:

#include <System.DateUtils.hpp>
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    Sysutils::FormatSettings.ShortDateFormat = L"yyyy'年'mm'月'dd'日'";
    Sysutils::FormatSettings.LongTimeFormat = L"hh:nn:ss";

    Memo1->Lines->Add(Sysutils::Now());
    Memo1->Lines->Add(Dateutils::DateOf(Sysutils::Now()));
    Memo1->Lines->Add(Sysutils::Date());
    Memo1->Lines->Add(Dateutils::TimeOf(Sysutils::Now()));
    Memo1->Lines->Add(Sysutils::Time());
    Memo1->Lines->Add(Dateutils::Today());
    Memo1->Lines->Add(Dateutils::Today()-1);
    Memo1->Lines->Add(Dateutils::Yesterday());
    Memo1->Lines->Add(Dateutils::Today()+1);
    Memo1->Lines->Add(Dateutils::Tomorrow());
}

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C++ Builder 参考手册System::DateutilsYesterday

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