Qt::black);
itemA->setData(QBrush(linearGradient),Qt::BackgroundRole); //设置条目背景色(为渐变色)
model.setItem...(0,0,itemA);
model.setItem(0,1,new QStandardItem("B"));
model.setItem(1,0,new QStandardItem("C"...(0,0, new QStandardItem("A"));
model.setItem(0,1, new QStandardItem("B"));
model.setItem(1,0,...new QStandardItem("C"));
model.setItem(1,1, new QStandardItem("D"));
model.setItem(2,0, new...QStandardItem("E"));
model.setItem(2,1, new QStandardItem("F"));
model.setItem(3,0, new QStandardItem