车辆统计导出bug

xx-vehicle/xx-vehicle-server/src/main/java/com/xxfc/platform/vehicle/biz/VehicleCountRecordBiz.java

@@ -3,6 +3,7 @@ package com.xxfc.platform.vehicle.biz;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.bean.copier.CopyOptions;
 import com.github.wxiaoqi.security.common.biz.BaseBiz;
+import com.github.wxiaoqi.security.common.exception.BaseException;
 import com.github.wxiaoqi.security.common.msg.ObjectRestResponse;
 import com.xxfc.platform.order.contant.enumerate.OrderTypeEnum;
 import com.xxfc.platform.order.entity.OrderRentVehicleDetail;
@@ -389,32 +390,29 @@ public class VehicleCountRecordBiz extends BaseBiz<VehicleCountRecordMapper, Veh
         return ObjectRestResponse.succ(path);
     }
 
-    public void download(String path, HttpServletResponse response) {
+    public void download(String path, HttpServletResponse response){
+        // 下载本地文件
+        String fileName = "export.xlsx".toString(); // 文件的默认保存名
+        // 读到流中
+        InputStream inStream = null;// 文件的存放路径
         try {
-            // path是指欲下载的文件的路径。
-            File file = new File(path);
-            // 取得文件名。
-            String filename = file.getName();
-            // 取得文件的后缀名。
-            String ext = filename.substring(filename.lastIndexOf(".") + 1).toUpperCase();
-
-            // 以流的形式下载文件。
-            InputStream fis = new BufferedInputStream(new FileInputStream(path));
-            byte[] buffer = new byte[fis.available()];
-            fis.read(buffer);
-            fis.close();
-            // 清空response
-            response.reset();
-            // 设置response的Header
-            response.addHeader("Content-Disposition", "attachment;filename=" + new String(filename.getBytes()));
-            response.addHeader("Content-Length", "" + file.length());
-            OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
-            response.setContentType("application/octet-stream");
-            toClient.write(buffer);
-            toClient.flush();
-            toClient.close();
-        } catch (IOException ex) {
-            ex.printStackTrace();
+            inStream = new FileInputStream(path);
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        }
+        // 设置输出的格式
+        response.reset();
+        response.setContentType("bin");
+        response.addHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
+        // 循环取出流中的数据
+        byte[] b = new byte[100];
+        int len;
+        try {
+            while ((len = inStream.read(b)) > 0)
+                response.getOutputStream().write(b, 0, len);
+            inStream.close();
+        } catch (IOException e) {
+            e.printStackTrace();
         }
     }