From b8a8b76c38fd774f1ed14774eaa7b6429fe55a40 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期五, 22 十月 2021 12:38:33 +0800
Subject: [PATCH] fix 修复跨域访问无权限获取请求头 download-filename 导致文件名为空问题

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
index 6e09a4a..5df2923 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
@@ -22,6 +22,9 @@
      * @return
      */
     public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException {
+        response.addHeader("Access-Control-Allow-Origin", "*");
+        response.addHeader("Access-Control-Expose-Headers", "Content-Disposition,download-filename");
+
         String percentEncodedFileName = percentEncode(realFileName);
 
         StringBuilder contentDispositionValue = new StringBuilder();

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