更新代码

ui/uidemo08/form/frmmain.cpp

@@ -66,13 +66,15 @@ void frmMain::initForm()
     ui->widgetTitle->setProperty("form", "title");
     //关联事件过滤器用于双击放大
     ui->widgetTitle->installEventFilter(this);
-
     ui->widgetTop->setProperty("nav", "top");
+
+    QFont font;
+    font.setPixelSize(25);
+    ui->labTitle->setFont(font);
     ui->labTitle->setText("智能访客管理平台");
-    ui->labTitle->setFont(QFont("Microsoft Yahei", 20));
     this->setWindowTitle(ui->labTitle->text());
 
-    ui->stackedWidget->setStyleSheet("QLabel{font:60pt;}");
+    ui->stackedWidget->setStyleSheet("QLabel{font:60px;}");
 
     QSize icoSize(32, 32);
     int icoWidth = 85;

ui/uidemo08/main.cpp

@@ -6,8 +6,11 @@ int main(int argc, char *argv[])
 {
     //设置不应用操作系统设置比如字体
     QApplication::setDesktopSettingsAware(false);
+#if (QT_VERSION >= QT_VERSION_CHECK(5,0,0))
+    QApplication::setAttribute(Qt::AA_Use96Dpi);
+#endif
 #if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
-    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Floor);
+    QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Floor);
 #endif
     QApplication a(argc, argv);
     AppInit::Instance()->start();