struts1下载

 String absPath = "D:/kqtj.xls";//文件的路径

String fileName = "kqtj.xls";//文件名

try {

fileName = new String(fileName.getBytes("ISO-8859-1"),"GBK");

absPath = new String(absPath.getBytes("ISO-8859-1"),"GBK");

} catch (UnsupportedEncodingException e1) {

e1.printStackTrace();

}

try {

File f = new File(absPath);

InputStream is = new FileInputStream(f);

OutputStream os=response.getOutputStream();;

BufferedInputStream bis = new BufferedInputStream(is);

BufferedOutputStream bos =new BufferedOutputStream(os);

response.reset();

response.setCharacterEncoding("GBK");

//response.setContentType("application/x-msdownload");//纯下载

response.setContentType("application/msword");

/*pdf　　　 response.setContentType("application/pdf");//

html　　　response.setContentType("text/html;charset=gbk");设置charset,文件的字符编码*/

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

int bytesRead = 0;

byte[] buffer = new byte[(int)f.length()];

while ((bytesRead = bis.read(buffer)) != -1)

{

   bos.write(buffer, 0, bytesRead);//buffer read

}

bos.flush();

   bis.close();

bos.close();

is.close();

os.close();

 

} catch (FileNotFoundException es) {

es.printStackTrace();

}catch(IOException ed){

ed.printStackTrace();

}

request.setAttribute("list", list);

return null;

}