QT之setting注册表项

1.头文件

#include <QSettings>

2.read注册表项

void MainWindow::readSettings() // 读取窗口设置

{

    QSettings settings("yangfeilinux", "myMdi");

    QPoint pos = settings.value("pos", QPoint(0, 0)).toPoint();

    QSize size = settings.value("size", QSize(1366, 706)).toSize();

    move(pos);

    resize(size);

}

3.写注册表项

void MainWindow::writeSettings() // 写入窗口设置

{

    QSettings settings("yafeilinux", "myMdi");

    settings.setValue("pos", pos());   // 写入位置信息

    settings.setValue("size", size()); // 写入大小信息

}

4.注册表目录

HKEY_CURRENT_USER\Software\yafeilinux