qt关闭应用程序

A. QT 启动与关闭外部程序

启动

QString filepath = QDir::currentPath();

    QString fullpath = filepath+"\\pp\\dist\\start";

    QString title = fullpath+"\\main.exe";

    title = title.replace("/","\\");

    fullpath = fullpath.replace("/","\\");

   袜答 QProcess p(this);

    p.setWorkingDirectory(fullpath);

    p.start("cmd", QStringList()<<"/c"<<"start main.exe");

    p.waitForStarted();

    p.waitForFinished();

关闭

    QProcess p(this);

    p.setWorkingDirectory(fullpath);

   庆洞 p.start("告差慧cmd", QStringList()<<"/c"<<"taskkill /f /t /im main.exe");

    p.waitForStarted();

    p.waitForFinished();