/*

    打开Word文档

*/

void MainWindow::OpenWord()

{

    //隐式的打开一个word应用程序

    QAxWidget word("Word.Application");

    //word.resize(1280,720); //没有用

    //获取所有工作文档

    QAxObject * documents = word.querySubObject("Documents");

    //创建一个word文档

    documents->dynamicCall("Add (void)");

    //获取当前激活的文档

    QAxObject * document = word.querySubObject("ActiveDocument");

    word.setProperty("Visible", true);

}

/*

    打开Excel文档

*/

void MainWindow::OpenExcel()

{

    //隐式的打开一个excel应用程序

    QAxWidget excel("Excel.Application");

    //获取所有工作文档

    QAxObject * workbooks = excel.querySubObject("WorkBooks");

    //创建一个excel文档

    workbooks->dynamicCall("Add (void)");

    //获取当前激活的文档

    QAxObject *workbook = excel.querySubObject("ActiveWorkBook");//获取当前工作簿

    excel.setProperty("Visible", true);

}

/*

    打开txt文档

*/

void MainWindow::OpenTxt()

{

    QProcess* process = new QProcess();

    QString notepadPath = "notepad.exe";

    process->start(notepadPath);

}

/*

    打开Photoshop

*/

void MainWindow::OpenPhotoshop()

{

    /* QProcess process;

    QString PhotoshopPath = "acad.exe";

    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();

   // env.insert("TMPDIR", "C:\\MyApp\\temp"); // Add an environment variable

    env.insert("PATH", env.value("Path") + ";D:\\Program Files\\AutoCAD 2010");

    process.setProcessEnvironment(env);

    process.start(PhotoshopPath);*/

    QProcess* process = new QProcess();

    QString CalcPath = "Photoshop.exe";

    process->start(CalcPath);

}

/*

    打开CAD

*/

void MainWindow::OpenCAD()

{

    /* QProcess process;

    QString PhotoshopPath = "acad.exe";

    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();

   // env.insert("TMPDIR", "C:\\MyApp\\temp"); // Add an environment variable

    env.insert("PATH", env.value("Path") + ";D:\\Program Files\\AutoCAD 2010");

    process.setProcessEnvironment(env);

    process.start(PhotoshopPath);*/

    QProcess* process = new QProcess();

    QString CADPath = "acad.exe";

    process->start(CADPath);

}

/*

    打开Youku

*/

void MainWindow::OpenYouku()

{

    //QProcess process;

    // QString Youku = "D:\\Program Files\\YouKu\\YoukuClient\\YoukuDesktop.exe";

    /* QProcessEnvironment env = QProcessEnvironment::systemEnvironment();

    //qDebug()<<"env.value"<<env.value("Path");

    //env.insert("TMPDIR", "C:\\MyApp\\temp"); // Add an environment variable

    env.insert("PATH", env.value("Path") + ";D:\\Program Files\\YouKu\\YoukuClient\\"); //能将环境变量加入但不好用

    process.setProcessEnvironment(env);

    process.start(Youku);

    qDebug()<<"env.value"<<env.value("Path");*/

}

/*

    打开WMPlayer

*/

void MainWindow::OpenWMPlayer()

{

    QDesktopServices::openUrl(QUrl("file:///C:/Program Files (x86)/Windows Media Player/wmplayer.exe", QUrl::TolerantMode));

}

/*

    打开网页

*/

void MainWindow::OpenIE()

{

    // 方法一

    QDesktopServices::openUrl(QUrl(QString("www.baidu.com")));

}

/*

    打开计算器

*/

void MainWindow::OpenCalculator()

{

    QProcess* process = new QProcess();

    QString CalcPath = "calc.exe";

    process->start(CalcPath);

}

/*

   打开文件夹

*/

void MainWindow::OpenFile()

{

    //方法一

    //   QDesktopServices::openUrl(QUrl("file:///C:/", QUrl::TolerantMode));

    //方法二

    QProcess::execute("explorer c:\\");

}

参考的方法链接：
 http://m.blog.csdn.net/blog/nameofhsw/17955373
 http://blog.sina.com.cn/s/blog_664754480100svnk.html
 http://blog.csdn.net/yangxiao_0203/article/details/7422715
 http://blog.csdn.net/tingsking18/article/details/5677353
 http://zhidao.baidu.com/link?url=U4F0oIYKp1ekcg9p8L0OvlcCah7038zzjW2S6E5Nk_lITIgNKenoCjqNt_dKlfRLXL--qNOtxNKo2DgQCKDhUK
 http://blog.csdn.net/yangxiao_0203/article/details/6634293
 http://blog.csdn.net/kfbyj/article/details/9277921