poi导出excel 下载框直接打开 弹出 提示？

Question

 

 

 

 
 导出excel时候 直接打开 弹出提示框？

 

Answer 1

response的参数设置有问题吧。
response.setContentType("application/vnd.ms-excel; charset=utf-8");
response.setHeader("Content-Disposition","attachment;filename="+filename);
response.setCharacterEncoding("utf-8");