修复打印和exam_id问题

src/pages/UI6/UI6.tsx

@@ -34,6 +34,7 @@ const UI6: React.FC = () => {
     const res = await getPackagItemDetail(id_no as string);
     if (res.Status === 200) {
       localStorage.setItem("package_code", res.Data.packagItemInfo.package_code || "");
+      localStorage.setItem("selectedExamId", res.Data.packagItemInfo.physical_exam_id.toString() || "0");
       // 处理数据：将 project_id 和 project_name 字符串分离为数组
       const processedData = res.Data.listPackDetail.map((item: any) => {
         // 将 project_id 字符串按中文顿号分割为数组

src/pages/UI8/UI8.tsx

@@ -291,49 +291,73 @@ const UI8: React.FC = () => {
       return;
     }
 
-    const primaryPdf = pdfFiles[0] || originPdfUrls[0];
-    if (!primaryPdf) {
+    if (printers.length > 0 && !selectedPrinter) {
+      alert("请先选择打印机");
+      return;
+    }
+
+    if (pdfFiles.length === 0 && originPdfUrls.length === 0) {
       const errorMsg = "PDF 尚未加载完成，请稍候";
       window.electronAPI?.log("warn", errorMsg);
       alert(errorMsg);
       return;
     }
 
-    if (printers.length > 0 && !selectedPrinter) {
-      alert("请先选择打印机");
-      return;
-    }
-
     setIsPrinting(true);
     try {
-      const printData =
-        primaryPdf.startsWith("data:") && pdfFiles[0]
-          ? primaryPdf
-          : originPdfUrls[0];
-      const dataType = printData.startsWith("data:") ? "base64数据" : "远程文件路径";
-      window.electronAPI.log("info", `开始打印PDF (${dataType}): ${printData.substring(0, 100)}...`);
+      // 优先使用已加载的 base64 数据，确保数据完整
+      let printData: string;
+      let dataType: string;
+
+      if (pdfFiles[0] && pdfFiles[0].startsWith("data:application/pdf;base64,")) {
+        printData = pdfFiles[0];
+        dataType = "base64数据";
+
+        // 验证 base64 数据长度（至少应该有几KB）
+        const base64Part = printData.replace("data:application/pdf;base64,", "");
+        const estimatedSize = (base64Part.length * 3) / 4;
+        window.electronAPI.log("info", `使用base64数据打印，估算大小: ${Math.round(estimatedSize)} bytes`);
+
+        if (estimatedSize < 1024) {
+          window.electronAPI.log("warn", "base64数据可能不完整，尝试使用原始URL");
+          // 如果base64数据太小，回退到URL
+          if (originPdfUrls[0]) {
+            printData = originPdfUrls[0];
+            dataType = "远程文件路径";
+          }
+        }
+      } else if (originPdfUrls[0]) {
+        printData = originPdfUrls[0];
+        dataType = "远程文件路径";
+      } else {
+        throw new Error("没有可用的PDF数据");
+      }
+
+      window.electronAPI.log("info", `开始打印PDF (${dataType}): ${dataType === "base64数据" ? `base64长度${printData.length}` : printData.substring(0, 100)}...`);
 
       const printResult = await window.electronAPI.printPdf(
         printData,
         selectedPrinter ? { printerName: selectedPrinter } : undefined
       );
+
       if (!printResult.success) {
         const errorMsg = `打印失败: ${printResult.error || "未知错误"}`;
         window.electronAPI.log("error", errorMsg);
         alert(errorMsg);
-      } else {
-        window.electronAPI.log("info", "PDF打印请求已发送");
+        return;
       }
+
+      window.electronAPI.log("info", "PDF打印请求已发送成功");
+      navigate("/UI81");
     } catch (error) {
-      const errorMsg = `Print error: ${error}`;
+      const errorMsg = `打印错误: ${(error as Error).message || error}`;
       console.error(errorMsg);
       window.electronAPI.log("error", errorMsg);
       alert("打印失败，请重试");
     } finally {
       setIsPrinting(false);
-      navigate("/UI81");
     }
-  }, [originPdfUrls, pdfFiles, printers.length, selectedPrinter]);
+  }, [originPdfUrls, pdfFiles, printers.length, selectedPrinter, navigate]);
 
   const handlePageCountUpdate = useCallback((index: number, numPages: number) => {
     window.electronAPI?.log("info", `[UI8] PDF渲染成功 (index=${index})，共 ${numPages} 页`);