【dst模型初始化导入导出】修改细节

ibzdst-core/src/main/java/cn/ibizlab/core/extensions/service/MetaModelExService.java

@@ -217,6 +217,7 @@ public class MetaModelExService extends MetaModelServiceImpl {
         File modelFile = generateModelFile(strModel);
         HttpServletResponse resp = ((ServletRequestAttributes) req).getResponse();
         if (resp != null)
+            resp.setContentType("APPLICATION/OCTET-STREAM");//返回格式为流
             resp.setHeader("Content-Disposition", "attachment;filename=" + getFileName(modelFile.getName()));
         sendResponse(resp, modelFile);
         return true;