| 提交 | 用户 | 时间 | ||
| 1ac2bc | 1 | package cn.stylefeng.guns.sys.core.util; |
| 懒 | 2 | |
| 3 | import cn.stylefeng.roses.core.util.FileUtil; | |
| 4 | ||
| 5 | import javax.servlet.http.HttpServletResponse; | |
| 6 | import java.io.BufferedOutputStream; | |
| 7 | import java.io.OutputStream; | |
| 8 | import java.net.URLEncoder; | |
| 9 | ||
| 10 | /** | |
| 11 | * 下载文件 | |
| 12 | * | |
| 13 | * @author fengshuonan | |
| 14 | * @Date 2019/8/7 23:14 | |
| 15 | */ | |
| 16 | public class FileDownload { | |
| 17 | ||
| 18 | /** | |
| 19 | * @param response | |
| 20 | * @param filePath 文件完整路径(包括文件名和扩展名) | |
| 21 | * @param fileName 下载后看到的文件名 | |
| 22 | * @return 文件名 | |
| 23 | */ | |
| 24 | public static void fileDownload(final HttpServletResponse response, String filePath, String fileName) throws Exception { | |
| 25 | byte[] bytes = FileUtil.toByteArray(filePath); | |
| 26 | fileName = URLEncoder.encode(fileName, "UTF-8"); | |
| 27 | response.reset(); | |
| 28 | response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\""); | |
| 29 | response.addHeader("Content-Length", "" + bytes.length); | |
| 30 | response.setContentType("application/octet-stream;charset=UTF-8"); | |
| 31 | OutputStream outputStream = new BufferedOutputStream(response.getOutputStream()); | |
| 32 | outputStream.write(bytes); | |
| 33 | outputStream.flush(); | |
| 34 | outputStream.close(); | |
| 35 | response.flushBuffer(); | |
| 36 | } | |
| 37 | ||
| 38 | } | |
