如何在ubuntu中从qt运行外部程序？ [英] How to run an external program from qt in ubuntu?

问题描述

我正在尝试通过QT导入外部程序。我在谷歌或Qt网站上找到的所有文章和问题告诉我使用下面的代码，但它不起作用。我把它设置为一个按钮，但是当我运行代码并单击按钮它什么也没做。我该怎么办呢？





功能;

I am trying to import an external program through QT. All the article and questions I found on google or in Qt website tells me to use the code below but It doesnt work. I set it to a button but when I run the code and click on button It does nothing. How should I handle this?


Function ;

void MainWindow::on_pushButton_clicked()
{
    QString program = "pcd_viewer";
    QStringList arguments;
    arguments << "new.pcd";

    QProcess *myProcess = new QProcess(this);
    myProcess->start(program, arguments);

}

推荐答案

在我看来，你没有满足的实现：



QProcess myProcess（commandAndParameters）;

或

myProcess.start（）;



有问题的API采用与您提供的不同的参数...

It seems to me that you don't have an implementation that will satisfy:

QProcess myProcess(commandAndParameters);
or
myProcess.start();

The APIs in question take different parameters from what you have provided...

形成文档 [ ^ ]，看起来你应该使用：

Form the documentation[^], it looks you should use:

QProcess myProcess;
myProcess.start("pcd_viewer", QStringList() << "Results.pcd");

我得到了解决方案。这适用于ubuntu 12.04。

I got the solution. This works in ubuntu 12.04.

void MainWindow::on_pushButton_clicked()
{
    QString program = "/home/sabri/KHG/pcd_viewer";

    QStringList arguments;

    QProcess *myProcess = new QProcess(this);
    myProcess->start(program,(QStringList) arguments<<"/home/sabri/KHG/new.pcd");
}

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