图片转换成base64码进行显示

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

@@ -507,7 +507,7 @@ public class ReportServiceImpl extends BaseServiceImpl<ReportMapper, Report> imp
         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");
+        response.setContentType("application/octet-stream;charset=UTF-8");
         OutputStream out;
         File files = new File(filePath);