From 619b965cf87aeaf7a15df5398eba222a7d8beedc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=96=BB=E5=8B=87=E7=A5=A5?= <237899745@qq.com>
Date: Tue, 18 Nov 2025 18:10:03 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20=E4=BF=AE=E5=A4=8D=E5=88=86?=
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- 问题：使用window.open()下载文件会导致页面短暂失焦，产生闪动效果
- 修复：改用隐藏的<a>标签触发下载，避免打开新标签页
- 新增triggerDownload()方法处理文件下载
- 影响文件：frontend/share.html (line 744-795)
---
 frontend/share.html | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/frontend/share.html b/frontend/share.html
index c467a17..b2793c5 100644
--- a/frontend/share.html
+++ b/frontend/share.html
@@ -751,7 +751,7 @@
           if (file.httpDownloadUrl) {
             // 如果配置了HTTP下载URL，使用HTTP直接下载
             console.log("[分享下载] 使用HTTP下载:", file.httpDownloadUrl);
-            window.open(file.httpDownloadUrl, '_blank');
+            this.triggerDownload(file.httpDownloadUrl, file.name);
           } else {
             // 如果没有配置HTTP URL，通过后端SFTP下载
             console.log("[分享下载] 使用SFTP下载");
@@ -775,10 +775,25 @@
               downloadUrl += `&password=${encodeURIComponent(this.password)}`;
             }
 
-            window.open(downloadUrl, '_blank');
+            this.triggerDownload(downloadUrl, file.name);
           }
         },
 
+        // 触发下载（使用隐藏的a标签，避免页面闪动）
+        triggerDownload(url, filename) {
+          const link = document.createElement('a');
+          link.href = url;
+          link.download = filename || '';
+          link.style.display = 'none';
+          document.body.appendChild(link);
+          link.click();
+
+          // 延迟移除，确保下载已触发
+          setTimeout(() => {
+            document.body.removeChild(link);
+          }, 100);
+        },
+
         getFileIcon(file) {
           if (file.isDirectory) return 'fa-folder';
           if (file.name.match(/\.(jpg|jpeg|png|gif|bmp|svg)$/i)) return 'fa-file-image';