/**
* 下载 realName：文件名
*/
public static void download(HttpServletRequest request,HttpServletResponse response,String realName) throws Exception {
response.setContentType("application/zip");
//设置内容作为附件下载 fileName有后缀,比如1.jpg
response.setHeader("Content-Disposition", "attachment; filename="+realName);
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
String ctxPath = request.getSession().getServletContext().getRealPath("/")+ "uploadfile/";
String downLoadPath = ctxPath+realName;
bis = new BufferedInputStream(new FileInputStream(downLoadPath));
bos = new BufferedOutputStream(response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
bos.write(buff, 0, bytesRead);
}
bis.close();
bos.close();
}
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/855/viewspace-2799690/ ，如需转载，请注明出处，否则将追究法律责任。
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