学习QT的一些相关博客和自己的一点总结

QT产生随机数和定时器

http://blog.youkuaiyun.com/xie376450483/article/details/5695218

http://blog.163.com/ojb_123/blog/static/24177424201062091114429/

QT转换QString,int...

http://blog.163.com/modingfa_002/blog/static/110925466201051724451638/

QT美化和css差不多,后面的覆盖前面内容

MainWindow->setStyleSheet("background-color:gainsboro;background-image:url(background.jpg);");

        centralWidget = new QWidget(MainWindow);

        centralWidget->setObjectName(QString::fromUtf8("centralWidget"));

        play_num = new QPushButton(centralWidget);

        play_num->setObjectName(QString::fromUtf8("play_num"));

        play_num->setGeometry(QRect(70, 40, 75, 23));

        play_num->setStyleSheet("background:transparent;background-color:red;");