Project-XJKJ/LIXUN/XJKJ_QT/main.cpp

#include "mainwindow/mainwindow.h"

#include <QApplication>
#include <QFile>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QFile file(":/resources/style.qss");   // 如果放 qrc

    if(file.open(QFile::ReadOnly))
    {
        QString style = file.readAll();
        a.setStyleSheet(style);
        file.close();
    }

    MainWindow w;
    w.showMaximized();
    return a.exec();
}