导出word

                File file=new File(path);

String fileName=file.getName();

String ext=fileName.substring(fileName.lastIndexOf(".")+1);

String agent=(String)request.getHeader("USER-AGENT"); //判断浏览器类型

try { 

        if(agent!=null && agent.indexOf("Fireforx")!=-1) {

        fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");  //UTF-8编码，防止输出文件名乱码

        }

        else {

        fileName=URLEncoder.encode(fileName,"UTF-8");

        }

        } catch (UnsupportedEncodingException e) { 

            e.printStackTrace(); 

        }

        BufferedInputStream bis=null;

        OutputStream os=null;

response.reset();

    response.setCharacterEncoding("utf-8");

    if(ext=="docx") {

    response.setContentType("application/msword"); // word格式

    }else if(ext=="pdf") {

    response.setContentType("application/pdf"); // word格式

    } 

        response.setHeader("Content-Disposition", "attachment; filename=" + fileName);

      try {

        bis=new BufferedInputStream(new FileInputStream(file));

byte[] b=new byte[bis.available()+1000];

int i=0;

        os = response.getOutputStream();  //直接下载导出

        while((i=bis.read(b))!=-1) {

        os.write(b, 0, i);

        }

            os.flush();

            os.close();

        } catch (IOException e) { 

            e.printStackTrace(); 

        }finally {

        if(os!=null) {

        try {

    os.close();

} catch (IOException e) {

    e.printStackTrace();

}

        }

        }