完善导检单显示

src/components/exam/ExamPrintPanel.tsx

@@ -87,10 +87,36 @@ export const ExamPrintPanel = ({ client }: { client: ExamClient }) => {
     }
   };
 
-  // 组件加载时检查localStorage，如果有则直接展示
+  // 组件加载时自动获取导检单（未签名版本也可以查看）
   useEffect(() => {
     const examId = Number(client.id);
     if (!examId) return;
+
+    // 自动加载未签名的导检单用于查看
+    const fetchPdf = async () => {
+      setFetchLoading(true);
+      setError(null);
+
+      try {
+        const res = await getDaojiandanPdfApi({ exam_id: examId });
+        if (res.Status === 200 && res.Data?.pdf_url) {
+          const pdfUrlValue = res.Data.pdf_url;
+          console.log('获取到导检单PDF URL:', pdfUrlValue);
+          setPdfUrl(pdfUrlValue);
+          setShowPreview(true);
+        } else {
+          console.error('获取导检单失败，响应:', res);
+          setError(res.Message || '获取导检单失败');
+        }
+      } catch (err) {
+        console.error('获取导检单失败', err);
+        setError('获取导检单失败，请稍后重试');
+      } finally {
+        setFetchLoading(false);
+      }
+    };
+
+    fetchPdf();
   }, [client.id]);
 
   // 获取导检单PDF（优先使用localStorage，没有则调用接口）
@@ -389,10 +415,6 @@ export const ExamPrintPanel = ({ client }: { client: ExamClient }) => {
           <div className='flex items-center justify-center py-12 text-gray-500'>
             <div>正在加载导检单...</div>
           </div>
-        ) : loading ? (
-          <div className='flex items-center justify-center py-12 text-gray-500'>
-            <div>正在加载PDF...</div>
-          </div>
         ) : error ? (
           <div className='flex flex-col items-center justify-center py-12 text-gray-500'>
             <div className='mb-2'>{error}</div>
@@ -421,6 +443,10 @@ export const ExamPrintPanel = ({ client }: { client: ExamClient }) => {
               </Button>
             )}
           </div>
+        ) : loading ? (
+          <div className='flex items-center justify-center py-12 text-gray-500'>
+            <div>正在加载PDF...</div>
+          </div>
         ) : pdfUrl ? (
           <div className='w-full'>
             <div ref={printRef} className='print-content'>
@@ -429,6 +455,10 @@ export const ExamPrintPanel = ({ client }: { client: ExamClient }) => {
               </div>
             </div>
           </div>
+        ) : showPreview ? (
+          <div className='flex items-center justify-center py-12 text-gray-500'>
+            <div>正在准备导检单...</div>
+          </div>
         ) : null}
       </div>
     </div>

src/components/exam/ExamSignPanel.tsx

@@ -3,7 +3,7 @@ import * as pdfjsLib from 'pdfjs-dist';
 import pdfjsWorker from 'pdfjs-dist/build/pdf.worker.min.mjs?url';
 
 import type { OutputTongyishuFileInfo, OutputTijianPdfFileInfo } from '../../api';
-import { signInMedicalExamCenter, submitTongyishuSign, submitDaojiandanSign, editDaojiandanPrintStatus, submitAddItemBillSign, getTijianPdfFile } from '../../api';
+import { signInMedicalExamCenter, submitTongyishuSign, submitDaojiandanSign, editDaojiandanPrintStatus, submitAddItemBillSign, getTijianPdfFile, getTongyishuPdf, getDaojiandanPdf } from '../../api';
 import type { SignaturePadHandle } from '../ui';
 import { Button, SignaturePad } from '../ui';
 
@@ -129,7 +129,9 @@ export const ExamSignPanel = ({ examId, onBusyChange }: ExamSignPanelProps) => {
         setDaojiandanUrl(url);
         setIsDaojiandanSigned(daojiandan.is_sign === 1);
       } else {
-        setDaojiandanUrl(null);
+        // 如果 getTijianPdfFile 没有返回导检单，保留之前通过 getDaojiandanPdf 获取的URL（如果存在）
+        // 不设置为 null，这样未签名的导检单也能显示"查看"按钮
+        setDaojiandanUrl((prev) => (prev !== null ? prev : null));
         setIsDaojiandanSigned(false);
       }
 
@@ -169,7 +171,45 @@ export const ExamSignPanel = ({ examId, onBusyChange }: ExamSignPanelProps) => {
       setIsDaojiandanSigned(false);
       return;
     }
+
+    // 初始化时加载知情同意书和导检单
+    const loadTongyishu = async () => {
+      try {
+        const res = await getTongyishuPdf({ exam_id: examId });
+        if (res.Status === 200 && res.Data?.list_pdf_url) {
+          const list = res.Data.list_pdf_url;
+          const mappedConsent: OutputTongyishuFileInfo[] = list.map((item) => ({
+            pdf_name: item.pdf_name || '',
+            pdf_url: item.pdf_url || '',
+            combination_code: item.combination_code ?? null,
+          }));
+          setConsentList(mappedConsent);
+          if (mappedConsent.length === 0) {
+            setConsentMessage(res.Message || '暂无知情同意书');
+          }
+        }
+      } catch (err) {
+        console.error('获取知情同意书失败', err);
+      }
+    };
+
+    // 初始化时加载导检单（未签名版本也可以查看）
+    const loadDaojiandan = async () => {
+      try {
+        const res = await getDaojiandanPdf({ exam_id: examId });
+        if (res.Status === 200 && res.Data?.pdf_url) {
+          // 如果 refreshTijianPdfs 没有设置导检单URL，则使用这里获取的未签名版本
+          setDaojiandanUrl((prev) => prev || res.Data?.pdf_url || null);
+        }
+      } catch (err) {
+        console.error('获取导检单失败', err);
+      }
+    };
+
+    // 先加载知情同意书和导检单，然后刷新所有PDF状态（包括签名状态）
+    Promise.all([loadTongyishu(), loadDaojiandan()]).then(() => {
       refreshTijianPdfs(examId);
+    });
   }, [examId]);
 
   const handlePickFile = () => {