ui->tableWidget->setColumnCount(5);
ui->tableWidget->setRowCount(1);
ui->tableWidget->setItem(0, 0, new QTableWidgetItem("123"));
ui->tableWidget->setItem(0, 1, new QTableWidgetItem("123"));
ui->tableWidget->setItem(0, 2, new QTableWidgetItem("123"));
ui->tableWidget->setItem(0, 3, new QTableWidgetItem("123"));
ui->tableWidget->horizontalHeader()->setObjectName("FYN");
ui->tableWidget->setStyleSheet("QHeaderView#FYN:section{background-color:red;border: 1px solid #6c6c6c;}"
"QHeaderView#FYN:section:checked{background-color:blue;}");