修复部署后文件下载问题

src/main/java/com/gunshi/project/xyt/controller/OsmoticWaterRController.java

@@ -195,7 +195,9 @@ public class OsmoticWaterRController {
         if (!file.exists()) {
             new FileNotFoundException("文件不存在！");
         }
-        response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(filePath, "UTF-8"));
+        response.setCharacterEncoding("utf-8");
+        response.setContentType("application/octet-stream; charset=UTF-8");
+        response.setHeader("content-disposition", "attachment;filename*=utf-8'zh_cn'" + URLEncoder.encode("GB3838-2002地表水环境质量标准.pdf", "UTF-8"));
         InputStream inputStream = null;
         OutputStream outputStream = null;
         try {