- import java.io.BufferedOutputStream;
- import java.io.OutputStream;
- import java.net.URLEncoder;
- import javax.servlet.http.HttpServletResponse;
- /**
- * java实现文件下载功能代码
- * 创建时间:2014年12月23日
- * @version
- */
- public class FileDownload {
- /**
- * @param response
- * @param filePath //文件完整路径(包括文件名和扩展名)
- * @param fileName //下载后看到的文件名
- * @return 文件名
- */
- public static void fileDownload(final HttpServletResponse response, String filePath, String fileName) throws Exception{
- byte[] data = FileUtil.toByteArray3(filePath);
- fileName = URLEncoder.encode(fileName, "UTF-8");
- response.reset();
- response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
- response.addHeader("Content-Length", "" + data.length);
- response.setContentType("application/octet-stream;charset=UTF-8");
- OutputStream outputStream = new BufferedOutputStream(response.getOutputStream());
- outputStream.write(data);
- outputStream.flush();
- outputStream.close();
- }
- }
来源: http://www.phpxs.com/code/1002106/