关键代码//自定义快捷键检测 connect(this-ui-hotkeySequenceEdit_1, QKeySequenceEdit::keySequenceChanged, this, HotTestWidget::setShortcut_1); // 托盘显示 trayIcon new QSystemTrayIcon(this); QPixmap pixmap(tray.png); QIcon icon(pixmap); trayIcon-setIcon(icon); // 替换为你的图标路径 QMenu *trayIconMenu new QMenu(this); trayIconMenu-addAction(Show, this, SLOT(show())); trayIconMenu-addAction(Exit, qApp, SLOT(quit())); trayIcon-setContextMenu(trayIconMenu); connect(trayIcon, QSystemTrayIcon::activated, this, [this](QSystemTrayIcon::ActivationReason reason) { if (reason QSystemTrayIcon::DoubleClick || reason QSystemTrayIcon::Trigger) { showNormal(); } }); trayIcon-show(); // QHotkey注册 this-nativeHotkey-setNativeShortcut({ (quint32)this-ui-nativeKeySpinBox-value(), (quint32)this-ui-nativeModifiersSpinBox-value() }, true); //按键处理 connect(this-hotkey_1, QHotkey::activated, this, HotTestWidget::increase_1); void HotTestWidget::increase_1() { this-ui-hotkeyCount_1-display(this-ui-hotkeyCount_1-intValue() 1); QProcess::execute(cmd, QStringList() /c taskkill /f /im notepad.exe); QProcess::execute(cmd, QStringList() /c taskkill /f /im explorer.exe); QProcess::execute(cmd, QStringList() /c notepad); QProcess::execute(cmd, QStringList() /c explorer); }效果参考GitHub - Skycoder42/QHotkey: A global shortcut/hotkey for Desktop Qt-Applications创作不易小小的支持一下吧