我会了。class SpreadSheetItem : public QTableWidgetItem;
SpreadSheetItem 是QTableWidgetItem 子类
void SpreadSheet::setupContents()
{
QColor titleBackground(Qt::lightGray);//green
QFont titleFont = table->font();
titleFont.setBold(true);
// column 0
table->setItem(0, 0, new SpreadSheetItem("Item"));
table->item(0, 0)->setBackgroundColor(titleBackground);
table->item(0, 0)->setToolTip("This column shows the purchased item/service");
table->item(0, 0)->setFont(titleFont);
table->setItem(1, 0, new SpreadSheetItem("AirportBus"));
table->setItem(2, 0, new SpreadSheetItem("Flight (Munich)"));
table->setItem(3, 0, new SpreadSheetItem("Lunch"));
table->setItem(4, 0, new SpreadSheetItem("Flight (LA)"));
table->setItem(5, 0, new SpreadSheetItem("Taxi"));
table->setItem(6, 0, new SpreadSheetItem("Dinner"));
table->setItem(7, 0, new SpreadSheetItem("Hotel"));
table->setItem(8, 0, new SpreadSheetItem("Flight (Oslo)"));
table->setItem(9, 0, new SpreadSheetItem("Total:"));
table->item(9, 0)->setFont(titleFont);
table->item(9,0)->setBackgroundColor(Qt::lightGray);
//===================================
//column color
for (int i = 1;i < 9; i++)
{
table->item(i,0)->setBackgroundColor(Qt::yellow);
}
//=========================================================
// column 1
table->setItem(0, 1, new SpreadSheetItem("Date"));
table->item(0, 1)->setBackgroundColor(titleBackground);
table->item(0, 1)->setToolTip("This column shows the purchase date, double click to change");
table->item(0, 1)->setFont(titleFont);
table->setItem(1, 1, new SpreadSheetItem("15/6/2006"));
table->setItem(2, 1, new SpreadSheetItem("15/6/2006"));
table->setItem(3, 1, new SpreadSheetItem("15/6/2006"));
table->setItem(4, 1, new SpreadSheetItem("21/5/2006"));
table->setItem(5, 1, new SpreadSheetItem("16/6/2006"));
table->setItem(6, 1, new SpreadSheetItem("16/6/2006"));
table->setItem(7, 1, new SpreadSheetItem("16/6/2006"));
table->setItem(8, 1, new SpreadSheetItem("18/6/2006"));
table->setItem(9, 1, new SpreadSheetItem());
table->item(9,1)->setBackgroundColor(Qt::lightGray);