双面打印

src/electron.d.ts

@@ -14,7 +14,7 @@ interface ElectronAPI {
   ) => Promise<{ success: boolean; data?: string; error?: string }>;
   printPdf: (
     pdfUrl: string,
-    options?: { printerName?: string }
+    options?: { printerName?: string; duplex?: boolean }
   ) => Promise<{ success: boolean; error?: string }>;
   getPrinters: () => Promise<{
     success: boolean;