使用Java根据文件路径下载zip文件到本地代码示例

    /**
     * 下载目标文件，其中目标文件是zip文件
     *
     * @param targetFile 目前文件
     * @param response
     * @return
     */
    @GetMapping("/download")
    @ApiOperation("下载目标文件，其中目标文件是zip文件")
    public void download(@RequestParam String targetFile, HttpServletResponse response) {
        // 读取目标zip文件，并利用response输出 D:\CODE\Git_dy
        String folderPath = "D:/CODE/";
        String filePath = folderPath + targetFile;

        try (FileInputStream fileInputStream = new FileInputStream(filePath)) {
            response.setContentType("application/octet-stream");
            response.setHeader("Content-Disposition", "attachment;filename=\"" + targetFile + "\"");
            response.setHeader("Access-Control-Allow-Origin", "*");

            File downloadFile = new File(filePath);
            if (downloadFile.exists()) {
                FileInputStream myStream = new FileInputStream(filePath);
                IOUtils.copy(myStream, response.getOutputStream());
            }
            response.flushBuffer();
            log.info("获取文件成功！");
        } catch (IOException e) {
            log.error(e.getMessage());
        }
    }

response.setHeader("Content-Type", "text/html; charset=UTF-8");
response.setHeader("Content-Disposition", "attachment; filename=\"example.txt\"");
response.setHeader("Cache-Control", "max-age=3600");
response.setHeader("Expires", "Thu, 01 Dec 2023 16:00:00 GMT");
response.setHeader("Set-Cookie", "sessionid=123456789; Path=/; Secure; HttpOnly");
response.setHeader("Location", "https://www.example.com");

String contentType = HttpHeaders.CONTENT_TYPE;
String contentDisposition = HttpHeaders.CONTENT_DISPOSITION;
String cacheControl = HttpHeaders.CACHE_CONTROL;
String expires = HttpHeaders.EXPIRES;
String setCookie = HttpHeaders.SET_COOKIE;
String location = HttpHeaders.LOCATION;