摘要： 第一种方法:CTime 和CTimeSpan ，例如： // example for CTime::operator +, - CTime t1( 1999, 3, 19, 22, 15, 0 ); // 10:15PM March 19, 1999 CTime t2( 1999, 3, 20, 22, 15, 0 ); // 10:15PM March 20, 1999 CTimeSpan ts = t2 - t1; // Subtract 2 CTimes ASSERT( ts.GetTotalSeconds() == 86400L ); ASSERT( ( t1 + ts ) == t2 阅读全文