双面打印

electron/main.js

@@ -300,16 +300,18 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl, printOptions = {}) => {
       throw new Error(`PDF文件大小异常（${stats.size} bytes），可能文件损坏`);
     }
 
+    const duplexMode = printOptions?.duplex;
     log.info(
       `准备打印PDF: ${pdfFilePath}, 打印机: ${
         targetPrinterName || "默认打印机"
-      }`
+      }, 双面打印: ${duplexMode ? "是" : "否"}`
     );
 
     // 使用 pdf-to-printer 打印
     const printOptions_ptp = {
       printer: targetPrinterName || undefined,
       silent: true, // 静默打印
+      duplex: duplexMode || false, // 双面打印选项
     };
 
     await ptp.print(pdfFilePath, printOptions_ptp);

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;

src/pages/UI8/UI8.css

@@ -349,3 +349,34 @@
   font-size: 22px;
   color: #b12651;
 }
+
+.ui8-duplex-option {
+  margin-top: 15px;
+  display: flex;
+  justify-content: flex-end;
+  align-items: center;
+}
+
+.ui8-duplex-label {
+  display: flex;
+  align-items: center;
+  cursor: pointer;
+  user-select: none;
+  border: none;
+  background-color: inherit;
+}
+
+.ui8-duplex-checkbox {
+  width: 16px;
+  height: 16px;
+  cursor: pointer;
+  accent-color: rgba(0, 45, 93, 0);
+  border: none;
+  background-color: inherit;
+}
+
+.ui8-duplex-text {
+  font-size: 20px;
+  font-family: NotoSansCJKsc-Regular;
+  color: rgba(0, 45, 93, 0);
+}

src/pages/UI8/UI8.tsx

@@ -10,6 +10,7 @@ import ui8B from "../../assets/ui8B.png";
 import { getDaojiandanPdf } from "../../api/hisApi";
 
 const PREFERRED_PRINTER_KEY = "preferredPrinterName";
+const PREFERRED_DUPLEX_KEY = "preferredDuplex";
 
 type PrinterInfo = ElectronPrinterInfo;
 
@@ -74,6 +75,7 @@ const UI8: React.FC = () => {
   const printerDropdownRef = useRef<HTMLDivElement | null>(null);
   const pdfContainerRef = useRef<HTMLDivElement | null>(null);
   const [isRightSectionHidden, setIsRightSectionHidden] = useState(false);
+  const [duplexEnabled, setDuplexEnabled] = useState<boolean>(false);
 
   const getExamId = () => {
     const storedId = localStorage.getItem("selectedExamId");
@@ -221,6 +223,12 @@ const UI8: React.FC = () => {
 
     fetchPrinters();
 
+    // 恢复双面打印设置
+    const storedDuplex = localStorage.getItem(PREFERRED_DUPLEX_KEY);
+    if (storedDuplex === "true") {
+      setDuplexEnabled(true);
+    }
+
     return () => {
       isMounted = false;
     };
@@ -343,7 +351,10 @@ const UI8: React.FC = () => {
 
       const printResult = await window.electronAPI.printPdf(
         printData,
-        selectedPrinter ? { printerName: selectedPrinter } : undefined
+        {
+          ...(selectedPrinter ? { printerName: selectedPrinter } : {}),
+          duplex: duplexEnabled,
+        }
       );
 
       if (!printResult.success) {
@@ -363,7 +374,7 @@ const UI8: React.FC = () => {
     } finally {
       setIsPrinting(false);
     }
-  }, [originPdfUrls, pdfFiles, printers.length, selectedPrinter, navigate, isPrinting]);
+  }, [originPdfUrls, pdfFiles, printers.length, selectedPrinter, navigate, isPrinting, duplexEnabled]);
 
   const handlePageCountUpdate = useCallback((index: number, numPages: number) => {
     window.electronAPI?.log("info", `[UI8] PDF渲染成功 (index=${index})，共 ${numPages} 页`);
@@ -436,6 +447,25 @@ const UI8: React.FC = () => {
         {printerError && (
           <div className="ui8-printer-error">{printerError}</div>
         )}
+        <label className="ui8-duplex-label">
+          <input
+            type="checkbox"
+            checked={duplexEnabled}
+            onChange={(e) => {
+              const enabled = e.target.checked;
+              setDuplexEnabled(enabled);
+              localStorage.setItem(PREFERRED_DUPLEX_KEY, enabled.toString());
+              window.electronAPI?.log(
+                "info",
+                `[UI8] 双面打印设置为: ${enabled ? "启用" : "禁用"}`
+              );
+            }}
+            className="ui8-duplex-checkbox"
+          />
+        </label>
+        <div className="ui8-duplex-option">
+
+        </div>
       </div>
 
       <div className="basic-white-block">