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大小: 5KB文件類型: .rar金幣: 2下載: 0 次發布日期: 2021-06-04
- 語言: 其他
- 標簽: GraphicsView??QT??三層??
資源簡介
基于QT GraphicsView三層架構所寫的例子,通俗易懂,很經典的教程。代碼簡單易懂,便于初學者學習。

代碼片段和文件信息
#include?
#include?“mainwindow.h“
#include?“target.h“
#include?
#include?“radarview.h“
#include?
#include?
static?const?int?TargetCount?=?200;
int?main(int?argc?char?*argv[])
{
????QApplication?a(argc?argv);
????MainWindow?w;
????//w.show();
????QTextCodec::setCodecForTr(QTextCodec::codecForLocale());
????qsrand(QTime(000).secsTo(QTime::currentTime()));
????QGraphicsScene?scene;
????scene.setSceneRect(-400-300800600);
????scene.setItemIndexMethod(QGraphicsScene::NoIndex);
????for(int?i?=?0;?i?????{
????????Target?*?target?=?new?Target;
????????target->setPos(qrand()%800?-?400?qrand()%600?-300);
????????target->setVisible(true);
????????scene.addItem(target);
????}
????radarView?view(&scene);
????view.setRenderHint(QPainter::Antialiasing);
????view.setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
????view.setBackgroundBrush(QColor(000));
????view.setCacheMode(QGraphicsView::CacheBackground);
????view.setDragMode(QGraphicsView::ScrollHandDrag);
????view.setWindowtitle(Qobject::tr(“haizhan“));
????view.resize(800600);
????view.show();
????return?a.exec();
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1196??2013-01-25?10:56??Rotate\main.cpp
?????文件????????233??2013-01-24?11:13??Rotate\mainwindow.cpp
?????文件????????317??2013-01-24?11:13??Rotate\mainwindow.h
?????文件????????654??2013-01-24?11:13??Rotate\mainwindow.ui
?????文件????????683??2013-01-25?10:27??Rotate\radarview.cpp
?????文件????????332??2013-01-25?09:45??Rotate\radarview.h
?????文件?????????47??2013-01-25?09:42??Rotate\raview.cpp
?????文件????????156??2013-01-25?09:42??Rotate\raview.h
?????文件????????402??2013-01-25?09:43??Rotate\Rotate.pro
?????文件??????23231??2013-01-25?10:57??Rotate\Rotate.pro.user
?????文件???????1517??2013-01-24?17:47??Rotate\target.cpp
?????文件????????510??2013-01-24?17:59??Rotate\target.h
?????目錄??????????0??2013-01-25?10:58??Rotate
-----------?---------??----------?-----??----
????????????????29278????????????????????13
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