版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/u010363836/article/details/49489767
视频、音频、图片代理下载
视频、音频、图片代理下载
/**
* 音频下载
*/
@RequestMapping("/audio/download")
public void downloadFile(HttpServletRequest request, HttpServletResponse response) throws IOException {
//String id = request.getParameter("id");
String filePath = ServletRequestUtils.getStringParameter(request, "filePath", ""); //
String fileName = ServletRequestUtils.getStringParameter(request, "fileName", ""); //
String destUrl = filePath;
//LOG.info("--------------"+filePath);
String fileFormat=filePath.substring(filePath.lastIndexOf("."));
String name="";
if(StringUtils.isBlank(fileName)){
name=new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+fileFormat;
}else {
name=fileName.trim()+fileFormat;
}
//File f = new File(filePath);
//response.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(f.getName(),"UTF-8"));
//LOG.info("--------------"+f.getName());
// 建立链接
URL url = new URL(destUrl);
HttpURLConnection httpUrl = (HttpURLConnection) url.openConnection();
// 连接指定的资源
httpUrl.connect();
// 获取网络输入流
BufferedInputStream bis = new BufferedInputStream(httpUrl.getInputStream());
Integer lenf=httpUrl.getContentLength();
//String lenf=this.getFileLength(4189053, 7189053);
response.setContentType("application/x-msdownload");
response.setHeader("Content-Length", lenf.toString());//文件大小值5几M
response.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(name,"UTF-8"));
OutputStream out = response.getOutputStream();
byte[] buf = new byte[1024];
if (destUrl != null) {
BufferedInputStream br = bis;
int len = 0;
while ((len = br.read(buf)) > 0){
out.write(buf, 0, len);
}
br.close();
}
out.flush();
out.close();
}
//////////////////////////////////////////////////////////////////////////////////////////
/**
* 视频下载
* by XnOU
*/
@RequestMapping("/video/download2")
public void downloadVideo2(HttpServletRequest request, HttpServletResponse response) throws IOException {
String vid = ServletRequestUtils.getStringParameter(request, "vid", ""); //
String df = ServletRequestUtils.getStringParameter(request, "df", "1"); //视频码率
String fileName = ServletRequestUtils.getStringParameter(request, "fileName", "无限极视频"); //
String fileFormat=(".mp4");
String name=fileName.trim()+fileFormat;
// set the content type
response.setContentType("Content-Type: application/force-download");
response.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(name,"UTF-8"));
// http://v.polyv.net/uc/video/getMp4?vid=5fa716fe381c1618befa75f8066554c0_5&df=2
//String url = "http://v.polyv.net/uc/video/getMp4?vid=" + vid + "&df=" + df;
String url = "http://mpv.videocc.net/5fa716fe38/0/5fa716fe381c1618befa75f8066554c0_1.mp4";
URL videoUrl = new URL(url);
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
bis = new BufferedInputStream(videoUrl.openStream());
bos = new BufferedOutputStream(response.getOutputStream());
byte[] buf = new byte[2048];
long totalBytes = 0L;
int readBytes = -1;
while((readBytes = bis.read(buf)) != -1) {
bos.write(buf);
totalBytes += readBytes;
}
bos.flush();
logger.info("download total bytes: {}", totalBytes);
}catch(IOException e) {
logger.error("An error occurs when downloading a video, vid={}", vid, e);
}finally {
if(null != bis) {
try{
bis.close();
}catch(Exception e) {
//忽略
}
}
if(null != bos) {
try {bos.close();
}catch(Exception e) {
//忽略
}
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
/**
* 视频下载
*/
//@RequestMapping("/video/download")
//public void downloadVideo(HttpServletRequest request, HttpServletResponse response) throws IOException {
//String id = request.getParameter("id");
/*String filePath = ServletRequestUtils.getStringParameter(request, "filePath", ""); //
String fileName = ServletRequestUtils.getStringParameter(request, "fileName", ""); //
String vid = ServletRequestUtils.getStringParameter(request, "vid", ""); //
String df = ServletRequestUtils.getStringParameter(request, "df", "1"); //视频码率
String destUrl = filePath;
//LOG.info("-------1-------"+filePath);
destUrl=destUrl+"?vid="+vid+"&df="+df;
String fileFormat=(".mp4");
String name=fileName.trim()+fileFormat;
//File f = new File(destUrl);
//LOG.info("--------------"+f.getName());
// 建立链接
URL url = new URL(destUrl);
HttpURLConnection httpUrl = (HttpURLConnection) url.openConnection();
// 连接指定的资源
httpUrl.connect();
// 获取网络输入流
BufferedInputStream bis = new BufferedInputStream(httpUrl.getInputStream());
Integer lenf=httpUrl.getContentLength();
//LOG.info("--------len-------"+lenf);
//String lenf=this.getFileLength(22489053, 72489053);
response.setContentType("application/x-msdownload");
response.setHeader("Content-Length", lenf.toString());//文件大小值20几M
response.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(name,"UTF-8"));
OutputStream out = response.getOutputStream();
byte[] buf = new byte[1024];
if (destUrl != null) {
BufferedInputStream br = bis;
int len = 0;
while ((len = br.read(buf)) > 0){
out.write(buf, 0, len);
}
br.close();
}
out.flush();
out.close(); */
//}
///////////////////////////////////////////////////////////////////////////////////////////////////
/**
* 图片下载
*/
@RequestMapping("/picture/download")
public void downloadPicture(HttpServletRequest request, HttpServletResponse response) throws IOException {
//String id = request.getParameter("id");
String filePath = ServletRequestUtils.getStringParameter(request, "filePath", ""); //
String fileName = ServletRequestUtils.getStringParameter(request, "fileName", ""); //
String courseId = ServletRequestUtils.getStringParameter(request, "courseId", ""); //
Course course = courseManager.getCourse(courseId);
if(null != course){
String userAgentStr = request.getHeader("user-agent");
UserAgent userAgent = UserAgent.parseUserAgentString(userAgentStr);
String browser = userAgent.getBrowser().getName();
DownloadDataLog downloadDataLog = new DownloadDataLog();
downloadDataLog.setDownloadId(PrimaryKeyUtils.generateSequentialKey());
downloadDataLog.setCourseId(courseId);
downloadDataLog.setCourseType(course.getCourseType());
downloadDataLog.setTitle(course.getTitle());
downloadDataLog.setCategoryId(course.getCategoryId());
downloadDataLog.setCoverImage(course.getCoverImage());
downloadDataLog.setSourceUrl(request.getHeader("Referer"));
downloadDataLog.setUserIp(IPUtil.getRealIP(request));
downloadDataLog.setDefinition("");
downloadDataLog.setBrowser(browser);
if (UserAgentDetector.isMobile(userAgentStr)) {
downloadDataLog.setPlatformType(PlatformTypeStatus.MOBILE.getValue());
}else if (UserAgentDetector.isWeiXin(userAgentStr)) {
downloadDataLog.setPlatformType(PlatformTypeStatus.WEIXIN.getValue());
}else {
downloadDataLog.setPlatformType(PlatformTypeStatus.PC.getValue());
}
downloadDataLog.setUserAgent(userAgentStr);
downloadDataLog.setDateAdded(new Date());
boolean opStatus = downloadLogManager.addDownloadDataLog(downloadDataLog);
logger.info("New download record, courseId={}, opStatus={}", new Object[] { courseId, opStatus });
return;
}
String destUrl = filePath;
//LOG.info("--------------"+filePath);
String fileFormat=filePath.substring(filePath.lastIndexOf("."));
//String name=fileName.trim()+fileFormat;
String name=filePath.substring(filePath.lastIndexOf("/")+1, filePath.length());
//File f = new File(filePath);
//response.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(f.getName(),"UTF-8"));
//LOG.info("--------------"+f.getName());
// 建立链接
URL url = new URL(destUrl);
HttpURLConnection httpUrl = (HttpURLConnection) url.openConnection();
// 连接指定的资源
httpUrl.connect();
// 获取网络输入流
BufferedInputStream bis = new BufferedInputStream(httpUrl.getInputStream());
Integer lenf=httpUrl.getContentLength();
//String lenf=this.getFileLength(4189053, 7189053);
response.setContentType("application/x-msdownload");
response.setHeader("Content-Length", lenf.toString());//文件大小值5几M
response.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(name,"UTF-8"));
OutputStream out = response.getOutputStream();
byte[] buf = new byte[1024];
if (destUrl != null) {
BufferedInputStream br = bis;
int len = 0;
while ((len = br.read(buf)) > 0){
out.write(buf, 0, len);
}
br.close();
}
out.flush();
out.close();
}