bug

src/main/java/com/huiju/estateagents/property/controller/BillInvoiceController.java

@@ -204,9 +204,11 @@ public class BillInvoiceController extends BaseController {
         ResponseBean responseBean = new ResponseBean();
         TaUser userElement = getTaUser(request);
         HSSFWorkbook workbook = (HSSFWorkbook) iBillInvoiceService.exportExcel(userElement, billId).getData();
-        this.setResponseHeader(response, "缴费单.xls");
         //响应到客户端
         try {
+            response.setContentType("application/octet-stream");
+            response.setCharacterEncoding("utf-8");
+            response.setHeader("Content-disposition", "attachment;filename=缴费单.xlsx");
              OutputStream os = response.getOutputStream();
              workbook.write(os);
              os.flush();