yyg1107

TDateTime?startTime? = ? . ; // 開始時間
TDateTime?endTime? = ? . ; // 結束時間
//計算天數
TDateTime?dDate? = ?endTime - startTime;
int?dDay? = ?(int)dDate;

// 得到小時分鐘
Variant?eHour = ??endTime . FormatString( " hh " );
Variant?eMin? = ??endTime . FormatString( " nn " );
Variant?sHour = ??startTime . FormatString( " hh " );
Variant?sMin? = ??startTime . FormatString( " nn " );
int?dHour? = ?(int)eHour? - ?(int)sHour;
int?dMin? = ?(int)eMin? - ?(int)sMin;

// 得到時間（分鐘）
int?countMin? = ?dDay * 24 * 60 + dHour * 60 + dMin;