getOutputStream() has already been call... - -

                                      

JSP文件下载及出现getOutputStream() has already been called for this response的解决方法

http://iamin.blogdriver.com/iamin/1072546.html

一、采用RequestDispatcher的方式进行

1、web.xml文件中增加

doc
application/vnd.ms-word



2、程序如下：





二、采用文件流输出的方式下载

1、web.xml文件中增加

doc
application/vnd.ms-word



2、程序如下：

http://www.javaeye.com/viewtopic.php?t=17225&sid=83ea2e917a2628cfac6cbc839462fd3c