excel = new QAxObject( "Excel.Application",this );
excel->dynamicCall("SetVisible(bool)",true);
workbooks = excel->querySubObject( "Workbooks" );
workbook = workbooks->querySubObject( "Open(const QString&)",
"d:\\mysheet.xls" );
sheets = workbook->querySubObject( "Sheets" );
StatSheet = sheets->querySubObject( "Item(const QVariant&)",
QVariant(QString::fromLocal8Bit("sheet1"))
);
StatSheet->dynamicCall( "Select()" );
请问如何执行删除sheet1,新建sheet1的操作?