QT学习一 Hello World
QDialog 对话框
QLabel 标签
Code:
1 #include "mainwindow.h" 2 #include <QApplication> 3 #include <QLabel> 4 #include <QDialog> 5 int main(int argc, char *argv[]) 6 { 7 QApplication a(argc, argv); 8 QDialog *s = new QDialog(); 9 QLabel *e = new QLabel(); 10 e->setParent(s); 11 e->setText("Hello World"); 12 s->show(); 13 return a.exec(); 14 }