完善导检单预览

src/utils/examActions.ts

@@ -138,3 +138,53 @@ export const getTongyishuPdfList = (examId: string | number): TongyishuPdfInfo[]
   }
 };
 
+/**
+ * 导检单PDF信息
+ */
+export interface DaojiandanPdfInfo {
+  /** PDF文件名称 */
+  pdf_name: string;
+  /** PDF文件地址 */
+  pdf_url: string;
+}
+
+/**
+ * 获取导检单PDF的存储 key
+ */
+export const getDaojiandanPdfKey = (examId: string | number): string => {
+  const today = getTodayString();
+  return `yh_daojiandan_pdf_${today}_${examId}`;
+};
+
+/**
+ * 存储导检单PDF信息
+ */
+export const setDaojiandanPdf = (
+  examId: string | number,
+  pdfInfo: DaojiandanPdfInfo
+): void => {
+  if (typeof window === 'undefined') return;
+  
+  const key = getDaojiandanPdfKey(examId);
+  localStorage.setItem(key, JSON.stringify(pdfInfo));
+};
+
+/**
+ * 获取导检单PDF信息
+ */
+export const getDaojiandanPdf = (examId: string | number): DaojiandanPdfInfo | null => {
+  if (typeof window === 'undefined') return null;
+  
+  const key = getDaojiandanPdfKey(examId);
+  const raw = localStorage.getItem(key);
+  if (!raw) return null;
+  
+  try {
+    const parsed = JSON.parse(raw);
+    return parsed as DaojiandanPdfInfo;
+  } catch (err) {
+    console.warn('导检单PDF信息解析失败', err);
+    return null;
+  }
+};
+