代码:
//在combobox中添加内容
ui->comboBox->addItem(tr("1"));
ui->comboBox->addItem(tr("2"));
ui->comboBox->addItem(tr("3"));
ui->comboBox->addItem(tr("4"));
//修改combobox各个下标中的文本信息
ui->comboBox->setItemText(0, tr("1"));
ui->comboBox->setItemText(1, tr("2"));
ui->comboBox->setItemText(2, tr("3"));
ui->comboBox->setItemText(3, tr("4"));