qtablewidget / text color/ bg color

    //model 읽는 작업이고

      QString temp=model->index(1,1).data().toString();

      QStandardItem * colorItem = new QStandardItem(temp);

    //  colorItem->setData(Qt::AlignCenter,Qt::TextAlignmentRole);

      colorItem->setData(QVariant(QBrush(Qt::red)), Qt::BackgroundRole);

       model->setItem(1,1,colorItem);

   // 0번째 컬럼을 클리어하고 체크박스를 넣어야 함

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   QStandardItem * colorItem = new QStandardItem(" put the text" );

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   QString temp=model->index(1,1).data().toString();

      QStandardItem * colorItem = new QStandardItem(temp);

    //  colorItem->setData(Qt::AlignCenter,Qt::TextAlignmentRole);

      colorItem->setData(QVariant(QBrush(Qt::red)), Qt::TextColorRole);

       model->setItem(1,1,colorItem);