Qt QTableWidget初始化表头

//设置表头
    QTableWidgetItem *headerItem;
    QStringList headText;
    headText<<"姓名"<<"性别";
    ui->tableWidget->setColumnCount(headText.count());
    for(int i=0;i<ui->tableWidget->columnCount();i++)
    {
        headerItem=new QTableWidgetItem(headText.at(i));
        QFont font=ui->tableWidget->font();
        font.setBold(true);
        font.setPointSize(12);
        headerItem->setFont(font);
        headerItem->setTextColor(Qt::red);
        ui->tableWidget->setHorizontalHeaderItem(i,headerItem);
    }