图片转换成base64码进行显示

tuoheng-admin/src/main/java/com/tuoheng/admin/service/impl/ReportServiceImpl.java

@@ -503,16 +503,17 @@ public class ReportServiceImpl extends BaseServiceImpl<ReportMapper, Report> imp
          log.info("问题清单写入完成");
 
         //清空缓存
-        response.reset();
-        // 定义浏览器响应表头，并定义下载名
-        //String urlFileName = URLEncoder.encode("汤山林场无人机巡检报告【"+ reportInfoVO.getReportNo() + "】.doc", "UTF-8");
-        String urlFileName =new String(("汤山林场无人机巡检报告【"+ reportInfoVO.getReportNo() + "】.doc").getBytes(), StandardCharsets.ISO_8859_1);
-        response.setHeader("Content-Disposition", "attachment;filename=" + urlFileName);
-        response.setCharacterEncoding("utf-8");
-        //定义下载的类型
-        response.setContentType("application/msword;charset=utf-8");
-        OutputStream out;
-        File files = new File(filePath);
+            response.reset();
+            // 定义浏览器响应表头，并定义下载名
+            //String urlFileName = URLEncoder.encode("汤山林场无人机巡检报告【"+ reportInfoVO.getReportNo() + "】.doc", "UTF-8");
+            String urlFileName =new String(("汤山林场无人机巡检报告【"+ reportInfoVO.getReportNo() + "】.doc").getBytes(), StandardCharsets.ISO_8859_1);
+            response.setHeader("Content-Disposition", "attachment;filename=" + urlFileName);
+            response.setCharacterEncoding("utf-8");
+            //定义下载的类型
+            response.setContentType("application/octet-stream;charset=utf-8");
+
+            OutputStream out;
+            //File files = new File(filePath);
 
             log.info("读出的文件文件地址为：{}",filePath);
             InputStream inputStream = this.getClass().getResourceAsStream(filePath);
@@ -520,7 +521,7 @@ public class ReportServiceImpl extends BaseServiceImpl<ReportMapper, Report> imp
             //3.通过response获取ServletOutputStream对象(out)
             out = response.getOutputStream();
             int b = 0;
-            byte[] buffer = new byte[512];
+            byte[] buffer = new byte[1024];
             while (b != -1){
                 b = inputStream.read(buffer);
                 //4.写到输出流(out)中