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mkdir qthello
cd qthello
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#include <QApplication>
#include <QLabel>
int main (int argc, char *argv [])
{
QApplication app (argc, argv);
QLabel *label = new QLabel ("Hello Qt!");
label->show ();
return app. exec ();
}
2.±àÒë
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qmake -project #×Ô¶¯Éú³É¹¤³ÌÎļþ qthello.pro
qmake #×Ô¶¯Éú³ÉMakefileÎļþ
make #±àÒ룬Éú³ÉÄ¿±êÎļþhello.oºÍ×îÖյĿÉÖ´ÐгÌÐòqthello
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./qthello
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