我写了一个helloworld,希望通过QProcess运行,并且读取输出,但是怎样都读取不到
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
QString my_process_2 = "C:/Users/lin/Desktop/qt_1/t1.exe";
process = new QProcess();
qDebug()<<my_process_2;
QStringList argument;
process->start(my_process_2);
if (!process->waitForStarted())
{
qDebug() << "启动失败";
}
connect(process,SIGNAL(readyRead()),this,SLOT(Fctn_get_info()));
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::Fctn_get_info()
{
qDebug()<<"start";
QString s = tr("");
s+= process->readAll();
qDebug()<<s;
return;
}
求大神解答