From fb848e740093bbec000628c027c67a903d8cdbc3 Mon Sep 17 00:00:00 2001
From: wanggeng888 <450292408@qq.com>
Date: Tue, 11 May 2021 17:35:38 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E4=BA=86=20=E6=B5=81?=
 =?UTF-8?q?=E4=B8=8B=E8=BD=BD=E6=96=B9=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../ink/wgink/util/request/RequestUtil.java   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/basic-util/src/main/java/ink/wgink/util/request/RequestUtil.java b/basic-util/src/main/java/ink/wgink/util/request/RequestUtil.java
index 8e5cd78a..af992d0b 100644
--- a/basic-util/src/main/java/ink/wgink/util/request/RequestUtil.java
+++ b/basic-util/src/main/java/ink/wgink/util/request/RequestUtil.java
@@ -88,4 +88,25 @@ public class RequestUtil {
         }
     }
 
+    /**
+     * 下载
+     *
+     * @param response
+     * @param inputStream
+     * @param outFileName
+     * @throws IOException
+     */
+    public static void download(HttpServletResponse response, InputStream inputStream, String outFileName) throws IOException {
+        try (OutputStream outputStream = response.getOutputStream()) {
+            response.setHeader("content-type", "application/octet-stream");
+            response.setContentType("application/octet-stream");
+            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(outFileName, "UTF-8"));
+            byte[] buf = new byte[1024];
+            for (int readLength; (readLength = inputStream.read(buf)) > 0; ) {
+                outputStream.write(buf, 0, readLength);
+            }
+            outputStream.flush();
+        }
+    }
+
 }