From ab042b367dc5a4fae85d6a7ef0745de3d88a6bce Mon Sep 17 00:00:00 2001
From: wenc000 <450292408@qq.com>
Date: Sat, 27 Jun 2020 18:41:47 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=84=E7=90=86=E8=A7=86=E9=A2=91=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=80=E6=AC=A1=E5=8A=A0=E8=BD=BD=E6=85=A2=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/cm/common/plugin/service/file/impl/FileServiceImpl.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cloud-common-plugin/src/main/java/com/cm/common/plugin/service/file/impl/FileServiceImpl.java b/cloud-common-plugin/src/main/java/com/cm/common/plugin/service/file/impl/FileServiceImpl.java
index 9b36eea..24aef54 100644
--- a/cloud-common-plugin/src/main/java/com/cm/common/plugin/service/file/impl/FileServiceImpl.java
+++ b/cloud-common-plugin/src/main/java/com/cm/common/plugin/service/file/impl/FileServiceImpl.java
@@ -251,6 +251,8 @@ public class FileServiceImpl extends AbstractService implements IFileService {
      * @param contentLength
      */
     private void setRangeHeader(long startRange, long endRange, HttpServletResponse response, String fileId, long contentLength) {
+        // 这里不设置，会出现第一次加载很慢的情况
+        response.setHeader("Content-Length", String.valueOf(contentLength - startRange));
         response.setHeader("Content-Range", String.format("bytes %d-%d/%d", startRange, endRange, contentLength));
         response.setHeader("Accept-Ranges", "bytes");
         response.setHeader("Etag", fileId);