jsp下載下傳文本而不是打開

最近好幾個哥們問這個問題，寫在這裡備查吧。

<%

 response.setContentType("application/octet-stream");

 response.addHeader("Content-Disposition","attachment; filename=1.txt");

 out.print("First line text./r/n");

 out.print("Second line./r/n");

%>