From 2097b74bd0ab969db35fadad64deac5502cc19e1 Mon Sep 17 00:00:00 2001
From: API Changelog Bot <changelog@hulalv.com>
Date: Mon, 23 Mar 2026 20:42:44 +0800
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+# 接口变更记录 — 2026-03-23 20:42
+
+> **提交** `896c7a9` · **作者** wx · **时间** 2026-03-23 20:42:44 +0800
+>
+> feat: 管理端文件预览接口（通过URL）
+
+## 变更总览
+
+- **文件服务**
+  - File (+1)
+
+---
+
+## 文件服务
+
+### File
+
+> 📖 **接口文档**: [http://192.168.100.236:8091/doc.html](http://192.168.100.236:8091/doc.html) → 标签 **「文件管理」**
+
+### 🆕 `GET` /admin/file/preview-by-url — 通过URL预览文件
+
+> 传入完整的OSS文件URL，流式输出原始文件内容（与/{fileId}/preview效果一致）。
+
+**响应** `void`
+
+---
+
+<details>
+<summary>📁 全部变更文件 (点击展开)</summary>
+
+```
+M	hl-file-service/src/main/java/com/hulalv/file/config/WebMvcConfig.java
+M	hl-file-service/src/main/java/com/hulalv/file/controller/FileController.java
+M	hl-gateway/src/main/java/com/hulalv/gateway/filter/JwtAuthFilter.java
+```
+</details>
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