界面完成

main.cpp

@@ -1,11 +1,14 @@
 #include "mainwindow.h"
 
 #include <QApplication>
-
+#include <Windows.h>
+double scale;
 int main(int argc, char *argv[])
 {
-    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QApplication a(argc, argv);
+    HDC hdc = GetDC(NULL);
+    scale = GetDeviceCaps(hdc, LOGPIXELSX)/96;
+    ReleaseDC(NULL,hdc);
     MainWindow w;
     w.show();
     return a.exec();