QString filename = "TEST.txt";
QProcess process;
process.setWorkingDirectory("C:\\Windows\\System32");
process.start("notepad.exe", QStringList() << filename);
process.waitForFinished (-1); //等待进程结束
QString filename = "TEST.txt";
QProcess process;
process.setWorkingDirectory("C:\\Windows\\System32");
process.start("notepad.exe", QStringList() << filename);
process.waitForFinished (-1); //等待进程结束