文件处理

yzg-util-cloud/src/main/java/com/yanzuoguang/cloud/helper/HttpFileHelper.java

 package com.yanzuoguang.cloud.helper;
 
+import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletResponse;
 import java.io.*;
 import java.net.URL;
@@ -54,23 +55,18 @@ public class HttpFileHelper {
         response.setHeader("Content-disposition", "attachment; filename=" + new String(saveFileName.getBytes("utf-8"), "UTF-8"));
         //设置输出长度
         response.setHeader("Content-Length", String.valueOf(file.length()));
-
+        ServletOutputStream bos = response.getOutputStream();
         // 获取输入流
         BufferedInputStream bis = new BufferedInputStream(new FileInputStream(serverFilePath));
         try {
-            BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream());
             //输出流
-            try {
-                byte[] buff = new byte[2048];
-                int readSize = 1;
-                while (readSize > 0) {
-                    readSize = bis.read(buff, 0, buff.length);
-                    if (readSize > 0) {
-                        bos.write(buff, 0, readSize);
-                    }
+            byte[] buff = new byte[2048];
+            int readSize = 1;
+            while (readSize > 0) {
+                readSize = bis.read(buff, 0, buff.length);
+                if (readSize > 0) {
+                    bos.write(buff, 0, readSize);
                 }
-            } finally {
-                bos.close();
             }
         } finally {
             bis.close();