Qt
hello, world!
main.cpp
#include <QApplication>
#include <QWidget>
#include <QLabel>
int main(int argc, char** argv)
{
QApplication app(argc, argv);
QWidget *win;
QLabel *label;
win = new QWidget;
label = new QLabel("Hello, world!", win);
win->show();
return app.exec();
}
main.pro
TARGET = main SOURCES = main.cpp
編譯、執行
$ qmake $ make $ ./main
