From eb74466c301fb1edca6c5ae2938e60a0803ac3e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E6=B3=89=E4=BD=B3?= <1107186916@qq.com>
Date: Fri, 6 Nov 2026 17:39:30 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20=E6=8A=BD=E5=8F=96=E9=87=91?=
 =?UTF-8?q?=E8=9D=B6=E9=99=84=E4=BB=B6=E6=9F=A5=E7=9C=8B=E4=B8=8B=E8=BD=BD?=
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---
 src/utils/kingdee-attachment.js | 67 +++++++++++++++++++++++----------
 1 file changed, 47 insertions(+), 20 deletions(-)

diff --git a/src/utils/kingdee-attachment.js b/src/utils/kingdee-attachment.js
index a7ac977..ab16107 100644
--- a/src/utils/kingdee-attachment.js
+++ b/src/utils/kingdee-attachment.js
@@ -21,16 +21,17 @@ export const isKingdeePathAttachment = attachment => {
 };
 
 /**
- * 请求金蝶文件流：成功返回 Blob；业务失败为 HTTP 200 + R.fail JSON（响应通道未写流时后端即失败），
- * 按 Content-Type 识别并抛出带 msg 的错误；网络级失败拦截器已提示，标记 silent 避免重复提示。
+ * 请求金蝶文件流（公共核）：成功返回 Blob；业务失败为 HTTP 200 + R.fail JSON
+ * （响应通道未写流时后端即失败），按 Content-Type 识别并抛出带 msg 的错误；
+ * 网络级失败拦截器已提示，标记 silent 避免重复提示。
  * 供查看（弹窗内预览）/下载两类入口复用
- * @param {String} invoiceNo 发票号码
+ * @param {Function} fetcher 文件流请求函数（返回 axios blob 响应）
  * @returns {Promise<Blob>}
  */
-export const requestKingdeeFile = async invoiceNo => {
+const fetchKingdeeBlob = async fetcher => {
   let res;
   try {
-    res = await downloadInvoicePoolAttachment(invoiceNo);
+    res = await fetcher();
   } catch (error) {
     throw Object.assign(new Error(error?.message || '附件下载失败'), { silent: true });
   }
@@ -51,6 +52,45 @@ export const requestKingdeeFile = async invoiceNo => {
   return blob;
 };
 
+/**
+ * 请求金蝶文件流：票池发票按发票号回源（后端代理 A801-2）
+ * @param {String} invoiceNo 发票号码
+ * @returns {Promise<Blob>}
+ */
+export const requestKingdeeFile = invoiceNo => fetchKingdeeBlob(() => downloadInvoicePoolAttachment(invoiceNo));
+
+/**
+ * 下载金蝶侧附件（经 A801-2 后端代理，公共入口），失败统一 ElMessage 提示
+ * @param {Function} fetcher 文件流请求函数
+ * @param {String} fileName 下载文件名
+ */
+export const downloadKingdeeFile = async (fetcher, fileName) => {
+  try {
+    const blob = await fetchKingdeeBlob(fetcher);
+    downloadFile(blob, fileName);
+  } catch (error) {
+    if (!error?.silent) ElMessage.error(error?.message || '金蝶附件下载失败');
+  }
+};
+
+/**
+ * 新窗口预览金蝶侧附件（经 A801-2 后端代理，公共入口）：拉取 Blob 转 objectURL
+ * （PDF 可预览；OFD 等浏览器不可预览的格式由浏览器触发下载）
+ * @param {Function} fetcher 文件流请求函数
+ * @param {String} fileName 预览文件名
+ */
+export const viewKingdeeFile = async (fetcher, fileName) => {
+  try {
+    const blob = await fetchKingdeeBlob(fetcher);
+    const url = URL.createObjectURL(blob);
+    window.open(url, '_blank');
+    // 延迟释放 objectURL：立即回收可能导致新窗口尚未加载完成即失效
+    setTimeout(() => URL.revokeObjectURL(url), 60000);
+  } catch (error) {
+    if (!error?.silent) ElMessage.error(error?.message || '金蝶附件预览失败');
+  }
+};
+
 /**
  * 下载金蝶侧发票附件（经 A801-2 后端代理），失败统一 ElMessage 提示
  * @param {String} invoiceNo 发票号码
@@ -61,12 +101,7 @@ export const downloadKingdeeInvoiceFile = async (invoiceNo, fileName) => {
     ElMessage.warning('当前发票缺少发票号码，无法下载金蝶侧附件');
     return;
   }
-  try {
-    const blob = await requestKingdeeFile(invoiceNo);
-    downloadFile(blob, fileName || `${invoiceNo}.pdf`);
-  } catch (error) {
-    if (!error?.silent) ElMessage.error(error?.message || '金蝶附件下载失败');
-  }
+  await downloadKingdeeFile(() => downloadInvoicePoolAttachment(invoiceNo), fileName || `${invoiceNo}.pdf`);
 };
 
 /**
@@ -79,13 +114,5 @@ export const viewKingdeeInvoiceFile = async (invoiceNo, fileName) => {
     ElMessage.warning('当前发票缺少发票号码，无法预览金蝶侧附件');
     return;
   }
-  try {
-    const blob = await requestKingdeeFile(invoiceNo);
-    const url = URL.createObjectURL(blob);
-    window.open(url, '_blank');
-    // 延迟释放 objectURL：立即回收可能导致新窗口尚未加载完成即失效
-    setTimeout(() => URL.revokeObjectURL(url), 60000);
-  } catch (error) {
-    if (!error?.silent) ElMessage.error(error?.message || '金蝶附件预览失败');
-  }
+  await viewKingdeeFile(() => downloadInvoicePoolAttachment(invoiceNo), fileName || `${invoiceNo}.pdf`);
 };