ZipOutputStream out = new ZipOutputStream(bas);将多个文件打包成一个zip文件进行下载
//将文件以流的方式写入
for (int i = 0; i < files.length; i++) {
FileInputStream in=new FileInputStream(files[i]);
out.putNextEntry(new ZipEntry(files[i].getName()));
int len;
while((len=in.read(buf))>0){
out.write(buf,0,len);
}
out.closeEntry();
in.close();
}
out.close();关闭
// 下载文件名中文乱码
HttpServletRequest request = ServletActionContext.getRequest();
if (request.getHeader(“User-Agent”).toUpperCase().indexOf(“MSIE”) > 0) {
fileName = URLEncoder.encode(fileName, “UTF-8”);
} else {
fileName = new String(fileName.getBytes(“UTF-8”), “ISO8859-1”);
}
//响应
HttpServletResponse response = ServletActionContext.getResponse();
response.reset();
response.setContentType(“application/octet-stream;charset=UTF-8”);
response.setHeader(“Accept-ranges”, “bytes”);
response.addHeader(“Content-Disposition”, “attachment; filename=\”” + fileName + “.zip\””);
byte[] b = bas.toByteArray();
response.addHeader(“Content-Length”, “”+b.length);
OutputStream os = new BufferedOutputStream(response.getOutputStream());
os.write(b);
os.flush();
os.close();
后面将页面到后台的完整代码