程序启动画面+线程中的延时操作

#include "mainwindow.h"

#include <QApplication>

int main(int argc, char *argv[])

{

    QApplication a(argc, argv);

    MainWindow w;

    QSplashScreen *splash = new QSplashScreen;

    QPixmap pix("zhc.png");

    splash->showMessage("正在载入，请稍等。。。");

    splash->setPixmap(pix);

    splash->show();

    a.processEvents();

    QThread::sleep(10);

    splash->finish(&w);

    w.show();

    return a.exec();

}