Java断点续传下载视频

控制层类：

package com.grab.video.controller;import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.io.Writer;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLDecoder;import java.net.URLEncoder;import java.nio.charset.Charset;import java.sql.SQLException;import java.sql.Timestamp;import java.util.ArrayList;import java.util.Date;import java.util.List;import java.util.Scanner;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import javax.servlet.ServletContext;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import org.apache.commons.io.FilenameUtils;import org.apache.commons.lang3.StringUtils;import org.apache.http.HttpEntity;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.http.HttpHeaders;import org.springframework.http.HttpStatus;import org.springframework.http.MediaType;import org.springframework.http.ResponseEntity;import org.springframework.stereotype.Controller;import org.springframework.web.bind.ServletRequestUtils;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.view.RedirectView;import com.fasterxml.jackson.core.JsonGenerationException;import com.fasterxml.jackson.databind.JsonMappingException;import com.fasterxml.jackson.databind.ObjectMapper;@Controllerpublic class GrabVideoController {private static final Logger LOG = LoggerFactory.getLogger(GrabVideoController.class);//private static String filePath="D:\\logs\\video";private static String filePath = "/home/grabVideo/";@AutowiredServletContext context;/** * 输入userid可以使用 *  * @param request * @param response * @return */@RequestMapping(value = "/grab/login", method = { RequestMethod.GET })public ModelAndView login(HttpServletRequest request, HttpServletResponse response) {String userId = ServletRequestUtils.getStringParameter(request, "userId", "");String ts = ServletRequestUtils.getStringParameter(request, "ts", "");String sign = ServletRequestUtils.getStringParameter(request, "sign", "");ModelAndView mav = new ModelAndView();// 身份验证if (StringUtils.isNotBlank(userId)) {String encryptedSign = EncryptionUtils.md5Hex(ts + userId + "grab");if (sign.equals(encryptedSign)) {HttpSession session = request.getSession();session.setMaxInactiveInterval(5*24*60*60);//秒为单位,设置session周期为5天session.setAttribute("userId", userId);// 把userId存放到sessionString url = "/grab/import";mav.setView(new RedirectView(url));return mav;}}mav.setViewName("video/error");return mav;}/** * 导入文件 *  * @return */@RequestMapping(value = "/grab/import", method = { RequestMethod.GET })public ModelAndView importFile(HttpServletRequest request, HttpServletResponse response) {// String userId = ServletRequestUtils.getStringParameter(request,// "userId", null);ModelAndView mav = new ModelAndView();HttpSession session = request.getSession();String userId = null;if (session.getAttribute("userId") != null) {userId = (String) session.getAttribute("userId");SqlFileList sqlFileList = new SqlFileList();List<FileListModel> list = new ArrayList<FileListModel>();try {list = sqlFileList.selectDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}// 从POLYV的API获取目录mav.addObject("list", list);mav.addObject("userId", userId);mav.setViewName("video/import");return mav;}mav.setViewName("video/login");return mav;}/** * 删除文件 *  * @param request * @param response * @return */@RequestMapping(value = "/grab/delete/file", method = { RequestMethod.GET })public ResponseEntity<AjaxPostResponse> deleteFile(HttpServletRequest request,HttpServletResponse response) {String fileId = ServletRequestUtils.getStringParameter(request, "fileId", null);MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);SqlFileList sqlFileList = new SqlFileList();try {sqlFileList.deleteDate(fileId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}AjaxPostResponse resp = new AjaxPostResponse("yes");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}/** * 解析文件 *  * @return * @throws UnsupportedEncodingException  */@RequestMapping(value = "/grab/analysis", method = { RequestMethod.GET })public ResponseEntity<AjaxPostResponse> analysisFile(HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException {Integer fileId = ServletRequestUtils.getIntParameter(request, "fileId", 0);String fileUrl = ServletRequestUtils.getStringParameter(request, "fileUrl", "");String classifyId = ServletRequestUtils.getStringParameter(request, "classifyId","classifyId");String classifyName = ServletRequestUtils.getStringParameter(request, "classifyName", "");String userId = ServletRequestUtils.getStringParameter(request, "userId", null);MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);String errorStr="";System.out.println("==========="+userId);List<String> urlList = new ArrayList<String>();List<String> titleList = new ArrayList<String>();try {System.out.println("file============"+fileUrl);CloseableHttpClient httpclient = HttpClients.createDefault();HttpGet httpGet = new HttpGet(fileUrl);  try {CloseableHttpResponse response2 = httpclient.execute(httpGet);InputStream is = null;          Scanner sc = null;          Writer os = null;          if (response2.getStatusLine().getStatusCode() == org.apache.http.HttpStatus.SC_OK) {            try {                  // 2、获取response的entity。                  HttpEntity entity = response2.getEntity();                  is = entity.getContent();                  //sc = new Scanner(is);                BufferedReader reader = new BufferedReader(new InputStreamReader(    is, "UTF-8"));                int n=0;            String line = null;    while ((line = reader.readLine()) != null) {    n++;    try {String str = line;//String urlstr = str.substring(0, str.indexOf(","));String title = str.substring(str.lastIndexOf(",") + 1, str.length());//urlList.add(urlstr);titleList.add(title);} catch (Exception e) {// TODO Auto-generated catch blockSystem.out.println("解析失败"+n);errorStr=errorStr+","+n;e.printStackTrace();}    }    errorStr=errorStr+"行格式原因";            }catch(Exception e){            System.out.println("解析失败");            } finally {                  if (sc != null) {                      sc.close();                  }                  if (is != null) {                      is.close();                  }                  if (os != null) {                      os.close();                  }                  if (response2 != null) {                      response2.close();                  }              }         }}catch(Exception e){System.out.println("解析失败");}} catch (Exception e) {// TODO Auto-generated catch blockLOG.info("文件解析失败：" + e);e.printStackTrace();AjaxPostResponse resp = new AjaxPostResponse(errorStr+":解析失败");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}// 更新状态SqlFileList sqlFileList = new SqlFileList();FileListModel file = new FileListModel();file.setFileId(fileId);file.setStatus("Y");try {sqlFileList.updateDate(file);} catch (SQLException e1) {// TODO Auto-generated catch blockLOG.info("文件状态修改成功：" + e1);e1.printStackTrace();}// LOG.info("00000"+classifyName);classifyName = classifyName.replace("-", "");// LOG.info(classifyName);// 添加数据Date date = new Date();Timestamp timeStamp = new Timestamp(date.getTime());GetRandomString randomStr = new GetRandomString();for (int i = 0; i < urlList.size(); i++) {VideoListModel video = new VideoListModel();video.setUserId(userId);video.setUrl(urlList.get(i));// 视频源地址video.setTitle(titleList.get(i));// 视频标题String urlstr = urlList.get(i);// String path=urlstr.substring(0, urlstr.indexOf("?"));// String format=path.substring(path.lastIndexOf("."),// path.length());//视频格式// String baseName = FilenameUtils.getBaseName(urlstr);String extendname = FilenameUtils.getExtension(urlstr);if(extendname.contains("?")){extendname=extendname.substring(0,extendname.indexOf("?"));}if (StringUtils.isBlank(extendname)) {extendname = "mp4";}String trueName = randomStr.generateRandomString(15);String filename = trueName + "." + extendname;video.setTrueName(filename);// 用于下载使用的视频名称video.setClassifyId(classifyId);//video.setClassifyName(classifyName.trim());video.setClassifyName(URLDecoder.decode(classifyName.trim(),"GBK"));video.setStatus(VideoStatus.NO.getValue());// 等待、video.setVid("");video.setCreateTime(timeStamp);video.setLastDate(timeStamp);SqlVideoList sqlvideo = new SqlVideoList();try {sqlvideo.insertDate(video);// 添加数据库} catch (SQLException e) {// TODO Auto-generated catch blockLOG.info("添加数据库:" + e);e.printStackTrace();AjaxPostResponse resp = new AjaxPostResponse("no");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}}AjaxPostResponse resp = new AjaxPostResponse("yes");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}/** * 获取下载进度 *  * @return */@RequestMapping(value = "/grab/download/progress", method = { RequestMethod.POST,RequestMethod.GET })public ResponseEntity<AjaxPostResponse> getProgress(HttpServletRequest request,HttpServletResponse response) {Integer id = ServletRequestUtils.getIntParameter(request, "videoId", 0);String userId = ServletRequestUtils.getStringParameter(request, "userId", "test");String urlstr = ServletRequestUtils.getStringParameter(request, "url", "");String trueName = ServletRequestUtils.getStringParameter(request, "trueName", "");MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);// LOG.info("--id---"+id+"---u---"+userId);int content = 1;int length = 1;int progress = 1;HttpSession session = request.getSession();// LOG.info("-------ccccc4------------"+session.getAttribute("fileSize"+id));if (session.getAttribute("fileSize" + String.valueOf(id)) == null) {// 文件大小还没存进session中List<TaskQueue> list = new ArrayList<TaskQueue>();SqlTaskQueue stq = new SqlTaskQueue();try {list = stq.selectDateOne(String.valueOf(id));} catch (SQLException e2) {// TODO Auto-generated catch blockLOG.info("查询文件大小" + e2);e2.printStackTrace();}if (list.size() > 0) {TaskQueue tQueue = list.get(0);content = tQueue.getFileSize();session.setAttribute("fileSize" + String.valueOf(id), content);// 存进session} else {URL url = null;try {url = new URL(urlstr);HttpURLConnection connection = (HttpURLConnection) url.openConnection();// 进行连接握手connection.setRequestMethod("GET");// 请求方式content = (int) connection.getContentLength();session.setAttribute("fileSize" + String.valueOf(id), content);// 存进session// LOG.info("-------content------"+content);} catch (Exception e1) {// TODO Auto-generated catch blockLOG.info("链接失败" + e1);e1.printStackTrace();}}} else {// 文件大少在session中String contentString = String.valueOf(session.getAttribute("fileSize"+ String.valueOf(id)));// LOG.info("-------ccccc------------"+contentString);content = Integer.parseInt(contentString.trim());}// 文件存储位置、文件命名处理try {// String path=urlstr.substring(0, urlstr.indexOf("?"));// String name=path.substring(path.lastIndexOf("/")+1,// path.length());// String filename=name.trim();String filename = trueName;File file = new File(filePath, filename);if (!file.exists()) {progress = (Integer) session.getAttribute(userId + id);// 将当前下载进度存放到session中。} else {length = (int) file.length();progress = length * 100 / content;// 将当前下载进度存放到session中。session.setAttribute(userId + id, progress);LOG.info(id + "-------progress------" + progress);}} catch (Exception e) {LOG.info("不能解析的路径：" + e);AjaxPostResponse resp = new AjaxPostResponse(progress);return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}AjaxPostResponse resp = new AjaxPostResponse(progress);return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}/** * 批量抓取视频(下载视频模块--根据视频源地址去抓取视频)管理 *  * @return * @throws MalformedURLException */@RequestMapping(value = "/grab/download/manage", method = { RequestMethod.POST })public ModelAndView grabDownloadVideo(HttpServletRequest request, HttpServletResponse response) {int[] id = ServletRequestUtils.getIntParameters(request, "videoId");String userId = ServletRequestUtils.getStringParameter(request, "userId", "test");String[] urlstr = ServletRequestUtils.getStringParameters(request, "url");String[] trueName = ServletRequestUtils.getStringParameters(request, "trueName");int len = id.length;List<TaskQueue> taskQueues = new ArrayList<TaskQueue>();for (int i = 0; i < len; i++) {TaskQueue tq = new TaskQueue();tq.setTaskId(String.valueOf(id[i]));tq.setVideoId(id[i]);tq.setUserId(userId);tq.setVideoUrl(urlstr[i]);tq.setTrueName(trueName[i]);taskQueues.add(tq);}// 把任务队列添加进数据库if (taskQueues.size() > 0) {// 存在有任务for (int i = 0; i < taskQueues.size(); i++) {TaskQueue task = taskQueues.get(i);List<TaskQueue> taskList = new ArrayList<TaskQueue>();// 查询任务是否已存在try {SqlTaskQueue stq = new SqlTaskQueue();taskList = stq.selectDateOne(task.getTaskId());} catch (SQLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}if (taskList.size() > 0) {// 该任务已存在} else {task.setFileSize(0);task.setProgress(0);task.setStatus("N");Date date = new Date();Timestamp timeStamp = new Timestamp(date.getTime());task.setCreateTime(timeStamp);try {SqlTaskQueue stq = new SqlTaskQueue();stq.insertDate(task);} catch (SQLException e) {// TODO Auto-generated catch blockLOG.info("下载任务添加失败！" + e);e.printStackTrace();}}}}// 获取所有的任务队列List<TaskQueue> workQueues = new ArrayList<TaskQueue>();try {SqlTaskQueue stq = new SqlTaskQueue();workQueues = stq.selectDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blockLOG.info("获取下载任务失败" + e);e.printStackTrace();}// ExecutorService pool = Executors.newFixedThreadPool(3);if (workQueues.size() > 0) {for (int i = 0; i < workQueues.size(); i++) {String taskId = workQueues.get(i).getTaskId();String urltxt = workQueues.get(i).getVideoUrl();String filename = workQueues.get(i).getTrueName();File saveFile = new File(filePath, filename);// 文件保存的位置File fileDir = new File(filePath);if (!fileDir.exists()) {fileDir.mkdirs();// 目录不存在创建目录}URL url = null;try {url = new URL(workQueues.get(i).getVideoUrl());} catch (MalformedURLException e) {// TODO Auto-generated catch blockLOG.info("握手失败" + e);e.printStackTrace();}if (url != null) {// 将下载任务线程，放入线程池中执行ExecutorService executor = (ExecutorService) context.getAttribute("DOWNLOAD_EXECUTOR");executor.submit(new DownloadVideo(url, saveFile, taskId));// pool.execute(new// DownloadVideo(url,saveFile,taskId));////////////////////////////////////VideoListModel vlm = new VideoListModel();vlm.setId(workQueues.get(i).getVideoId());vlm.setUserId(userId);vlm.setStatus(VideoStatus.WAIT.getValue());// 将状态改为等待try {SqlVideoList svl = new SqlVideoList();svl.updateDate(vlm);} catch (SQLException e) {// TODO Auto-generated catch blockLOG.info("更改下载状态失败" + e);e.printStackTrace();}}}}// 关闭线程池// pool.shutdown();// 重新查询视频列表List<VideoListModel> list = new ArrayList<VideoListModel>();try {SqlVideoList svl = new SqlVideoList();list = svl.selectDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}ModelAndView mav = new ModelAndView();mav.addObject("videolist", list);mav.addObject("userId", userId);mav.setViewName("video/download");return mav;}/** * 获取视频的下载进度() * @param request */@RequestMapping(value="/grab/download/status",method = {RequestMethod.GET,RequestMethod.POST})public @ResponseBodyResponseEntity<String> downloadStatus(HttpServletRequest request, HttpServletResponse response)throws JsonGenerationException, JsonMappingException, IOException {HttpSession session = request.getSession();if (session.getAttribute("userId") != null) {String userId = (String) session.getAttribute("userId");List<VideoListModel> list = new ArrayList<VideoListModel>();try {SqlVideoList sqlVideoList = new SqlVideoList();list = sqlVideoList.selectAllDate(userId);    //list = sqlVideoList.selectExecuteDate(userId);for (int i = 0; i < list.size(); i++) {VideoListModel model = list.get(i);String filename = model.getTrueName();File file = new File(filePath, filename);if (file.exists()) {int downloaded = (int) file.length();if (model.getFileSize() != 0) {//System.out.println(model.getId()+"===n==="+model.getTrueName()+"===d==="+downloaded+"===s==="+model.getFileSize()+"===="+(long)downloaded * 100 /(long) model.getFileSize());model.setPercent((int) ((long)downloaded * 100 /(long) model.getFileSize()));} }}ObjectMapper objectMapper = new ObjectMapper();String result = objectMapper.writeValueAsString(list);MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);return new ResponseEntity<String>(result, headers, HttpStatus.OK);} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("获取下载进度出现异常！");e.printStackTrace();}}return null;}@RequestMapping(value = "/grab/download/manage", method = { RequestMethod.GET })public ModelAndView grabVideo(HttpServletRequest request, HttpServletResponse response) {// String userId = ServletRequestUtils.getStringParameter(request,// "userId", "");String userId = null;ModelAndView mav = new ModelAndView();HttpSession session = request.getSession();if (session.getAttribute("userId") != null) {userId = (String) session.getAttribute("userId");SqlVideoList sqlVideoList = new SqlVideoList();List<VideoListModel> list = new ArrayList<VideoListModel>();try {list = sqlVideoList.selectDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}mav.addObject("videolist", list);mav.addObject("userId", userId);mav.setViewName("video/download");return mav;}mav.setViewName("video/login");return mav;}/** * 暂停下载 */@RequestMapping(value = "/grab/video/stop", method = { RequestMethod.GET })public ResponseEntity<AjaxPostResponse> downloadStop(HttpServletRequest request,HttpServletResponse response) {int id = ServletRequestUtils.getIntParameter(request, "videoId",0);String userId = ServletRequestUtils.getStringParameter(request, "userId", "test");//String urlstr = ServletRequestUtils.getStringParameter(request, "url","");//String trueName = ServletRequestUtils.getStringParameter(request, "trueName","");MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);try {SqlTaskQueue stq = new SqlTaskQueue();stq.deleteDate(String.valueOf(id));} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}// 获取所有的任务队列List<TaskQueue> workQueues = new ArrayList<TaskQueue>();try {SqlTaskQueue stq = new SqlTaskQueue();workQueues = stq.selectDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blockLOG.info("获取下载任务失败" + e);e.printStackTrace();}// ExecutorService pool = Executors.newFixedThreadPool(3);if (workQueues.size() > 0) {for (int i = 0; i < workQueues.size(); i++) {String taskId = workQueues.get(i).getTaskId();String urltxt = workQueues.get(i).getVideoUrl();String filename = workQueues.get(i).getTrueName();File saveFile = new File(filePath, filename);// 文件保存的位置File fileDir = new File(filePath);if (!fileDir.exists()) {fileDir.mkdirs();// 目录不存在创建目录}URL url = null;try {url = new URL(workQueues.get(i).getVideoUrl());} catch (MalformedURLException e) {// TODO Auto-generated catch blockLOG.info("握手失败" + e);e.printStackTrace();}if (url != null) {// 将下载任务线程，放入线程池中执行ExecutorService executor = (ExecutorService) context.getAttribute("DOWNLOAD_EXECUTOR");executor.submit(new DownloadVideo(url, saveFile, taskId));// pool.execute(new// DownloadVideo(url,saveFile,taskId));////////////////////////////////////VideoListModel vlm = new VideoListModel();vlm.setId(workQueues.get(i).getVideoId());vlm.setUserId(userId);vlm.setStatus(VideoStatus.WAIT.getValue());// 将状态改为等待try {SqlVideoList svl = new SqlVideoList();svl.updateDate(vlm);} catch (SQLException e) {// TODO Auto-generated catch blockLOG.info("更改下载状态失败" + e);e.printStackTrace();}}}}System.out.println("停止下载！");AjaxPostResponse resp = new AjaxPostResponse("yes");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}/** * 导出下载成功的视频 *  * @return */@RequestMapping(value = "/grab/export", method = { RequestMethod.GET })public ModelAndView exportVideo(HttpServletRequest request, HttpServletResponse response) {// String userId = ServletRequestUtils.getStringParameter(request,// "userId", "");String userId = null;ModelAndView mav = new ModelAndView();HttpSession session = request.getSession();if (session.getAttribute("userId") != null) {userId = (String) session.getAttribute("userId");SqlVideoList sqlVideoList = new SqlVideoList();List<VideoListModel> list = new ArrayList<VideoListModel>();try {list = sqlVideoList.selectSuccessDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}mav.addObject("videolist", list);mav.addObject("userId", userId);mav.setViewName("video/export");return mav;}mav.setViewName("video/login");return mav;}/** * export导出文件 */@RequestMapping(value = "/grab/export/csv", method = { RequestMethod.GET })public void exportCsv(HttpServletRequest request, HttpServletResponse response) {String userId = ServletRequestUtils.getStringParameter(request, "userId", "");if (StringUtils.isNotBlank(userId)) {SqlVideoList sqlVideoList = new SqlVideoList();List<VideoListModel> list = new ArrayList<VideoListModel>();try {list = sqlVideoList.selectSuccessDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}// 导出txt文件//response.setContentType("text/plain");response.setContentType("text/csv;  charset=UTF-8");String fileName = "videolist";try {fileName = URLEncoder.encode("videolist", "UTF-8");} catch (UnsupportedEncodingException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}response.setHeader("Content-Disposition", "attachment; filename=" + fileName + ".csv");BufferedOutputStream buff = null;StringBuffer write = new StringBuffer();String enter = "\r\n";ServletOutputStream outSTr = null;try {outSTr = response.getOutputStream(); // 建立buff = new BufferedOutputStream(outSTr);// 把内容写入文件if (list.size() > 0) {for (int i = 0; i < list.size(); i++) {write.append(list.get(i).getUrl());write.append(",");write.append(list.get(i).getTitle());write.append(",");write.append(list.get(i).getVid());write.append(",");write.append(list.get(i).getLastDate());write.append(enter);}}buff.write(write.toString().getBytes("GBK"));buff.flush();buff.close();} catch (Exception e) {e.printStackTrace();} finally {try {buff.close();outSTr.close();} catch (Exception e) {e.printStackTrace();}}}}/** * 清空导出视频列表 * /grab/export/clean */@RequestMapping(value = "/grab/export/clean", method = { RequestMethod.GET })public ResponseEntity<AjaxPostResponse> cleanVideo(HttpServletRequest request,HttpServletResponse response) {MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);HttpSession session = request.getSession();if (session.getAttribute("userId") != null) {String userId=(String) session.getAttribute("userId");SqlVideoList sqlVideoList=new SqlVideoList();try {sqlVideoList.cleanDate(userId);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}//删除成功System.out.println("删除成功！");AjaxPostResponse resp = new AjaxPostResponse("yes");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}else{//删除失败System.out.println("删除失败！");AjaxPostResponse resp = new AjaxPostResponse("no");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}}/** * 删除视频 * /grab/export/clean */@RequestMapping(value = "/grab/delete/videoId", method = { RequestMethod.GET })public ResponseEntity<AjaxPostResponse> deleteVideo(HttpServletRequest request,HttpServletResponse response) {String videoId = ServletRequestUtils.getStringParameter(request, "videoId", null);MediaType mediaType = new MediaType("application", "json", Charset.forName("UTF-8"));HttpHeaders headers = new HttpHeaders();headers.setContentType(mediaType);if (StringUtils.isNotBlank(videoId)) {SqlVideoList sqlVideoList=new SqlVideoList();try {SqlTaskQueue stqSe=new SqlTaskQueue();List<TaskQueue> list=stqSe.selectDateOne(videoId);if(list.size()>0){SqlTaskQueue stq=new SqlTaskQueue();stq.deleteDate(videoId);//删除任务}sqlVideoList.deleteDate(videoId);//删除视频} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("删除失败"+e);e.printStackTrace();}//删除成功AjaxPostResponse resp = new AjaxPostResponse("yes");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}else{//删除失败AjaxPostResponse resp = new AjaxPostResponse("no");return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK);}}/*** * 获取文件内容 * @param url * @return */public String httpGetFile(String url) {String contentStr="";CloseableHttpClient httpclient = HttpClients.createDefault();HttpGet httpGet = new HttpGet(url);  try {CloseableHttpResponse response = httpclient.execute(httpGet);InputStream is = null;          Scanner sc = null;          Writer os = null;          if (response.getStatusLine().getStatusCode() == org.apache.http.HttpStatus.SC_OK) {              try {                  // 2、获取response的entity。                  HttpEntity entity = response.getEntity();                  is = entity.getContent();                  sc = new Scanner(is);                  while (sc.hasNext()) {                  contentStr=contentStr+sc.nextLine();                }              } catch (ClientProtocolException e) {                  e.printStackTrace();              } finally {                  if (sc != null) {                      sc.close();                  }                  if (is != null) {                      is.close();                  }                  if (os != null) {                      os.close();                  }                  if (response != null) {                      response.close();                  }              }          }    } catch (ClientProtocolException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return contentStr;}}

下载视频主线程类：

package com.grab.video.controller;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.io.Writer;import java.net.HttpURLConnection;import java.net.ProtocolException;import java.net.URL;import java.sql.SQLException;import java.sql.Timestamp;import java.util.ArrayList;import java.util.Date;import java.util.HashMap;import java.util.LinkedHashMap;import java.util.List;import java.util.Map;import java.util.Scanner;import java.util.regex.Matcher;import java.util.regex.Pattern;import org.apache.commons.lang3.StringUtils;import org.apache.http.HttpEntity;import org.apache.http.HttpStatus;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import com.fasterxml.jackson.core.JsonProcessingException;import com.fasterxml.jackson.databind.JsonNode;import com.fasterxml.jackson.databind.ObjectMapper;public class DownloadVideo implements Runnable {private static final Logger LOG = LoggerFactory.getLogger(DownloadVideo.class);private static String TAG = "Downloader";private HttpURLConnection connection;private URL url;private File saveFile;private long fileLength;// 文件总大少private int progress;// 当前进度private long downloaded = 0;private boolean stop=false;private String taskId;private static String fileUrl = "http://grab.polyv.net/video/";private boolean downloadStatus = false;public DownloadVideo(URL url, File saveFile, String taskId) {this.url = url;this.saveFile = saveFile;this.taskId = taskId;}public DownloadVideo(URL url, File saveFile, String taskId,boolean stop) {this.url = url;this.saveFile = saveFile;this.taskId = taskId;this.stop = stop;}public DownloadVideo(String vid, File saveFile) {// 通过vid,获取视频TODO}public URL getUrl() {return url;}public void setUrl(URL url) {this.url = url;}public void setStop(boolean stop) {this.stop = stop;}public long getFileLength() {return fileLength;}public int getProgress() {return progress;}public void setProgress(int progress) {this.progress = progress;}public long getDownloaded() {return downloaded;}public int getPercent() {if (fileLength == 0) {return 0;}return (int) (downloaded * 100 / fileLength);}public void stop() {stop = true;}public void start() {stop = false;}// 开始执行,实现run方法public void run() {VideoListModel vlm = new VideoListModel();vlm.setId(Integer.valueOf(taskId));vlm.setStatus(VideoStatus.EXECUTE.getValue());// 将状态改为正在执行try {SqlVideoList sqlVideoList = new SqlVideoList();System.out.println("更新下载中状态。。。。");sqlVideoList.updateDate(vlm);} catch (SQLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}try {BufferedInputStream in = null;FileOutputStream fos = null;BufferedOutputStream bout = null;print("start download:" + url);connection = (HttpURLConnection) url.openConnection();// 进行连接握手connection.setRequestProperty("User-Agent", "Polyv");Map<String, List<String>> map = connection.getRequestProperties();print(map.toString());// 输出参数connection.setRequestMethod("GET");// 请求方式if (saveFile.exists()) {downloaded = saveFile.length();connection.setRequestProperty("Range", "bytes=" + downloaded + "-");} else {downloaded = 0;// 重新开始下载}// connection.getResponseCode() == 200 206?int code = connection.getResponseCode();// 获取状态码print("code=" + code + ", downloaded =" + downloaded);printResponseHeader(connection);// http200状态,重新开始下载，206状态续点下载if (connection.getResponseCode() == 206 || connection.getResponseCode() == 200) {String range = "";HashMap<String, String> header = (HashMap<String, String>) getHttpResponseHeader(connection);               for (Map.Entry<String, String> entry : header.entrySet()) {String key = entry.getKey();String value = entry.getValue();System.out.println(key+"============="+value);if (key.equals("Content-Range")) {range = entry.getValue();}}System.out.println("-----range-----"+range);long content = (long) connection.getContentLength();fileLength = range.equals("") ? content : Long.valueOf(range.split("/")[1]);System.out.println("文件===c==="+content+"===f==="+fileLength+"======"+(long)(content+downloaded));try {SqlVideoList sqlVideoList = new SqlVideoList();sqlVideoList.updateFileSize(Integer.valueOf(taskId),content+downloaded);//获取文件的大少(合计才是文件的大少,content是还有多少下载的，downloaded已下载的大少)} catch (SQLException e2) {// TODO Auto-generated catch blockSystem.out.println("获取文件大少失败");e2.printStackTrace();}in = new BufferedInputStream(connection.getInputStream());fos = (downloaded == 0) ? new FileOutputStream(saveFile) : new FileOutputStream(saveFile, true);bout = new BufferedOutputStream(fos, 1024);byte[] data = new byte[1024];int x = 0;boolean p = false;while (!stop && (x = in.read(data, 0, 1024)) >= 0) {bout.write(data, 0, x);downloaded += x;}bout.close();System.out.println("下载完毕{}");downloadStatus = false;// 代表下载成功，不用去更新下载失败的状态String vid = null;// 获取vid,(根据taskId即videoId获取视频的title,cataId)List<VideoListModel> videoList = new ArrayList<VideoListModel>();try {SqlVideoList sqlVideoList = new SqlVideoList();videoList = sqlVideoList.selectDateOne(Integer.valueOf(taskId));} catch (SQLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}if (videoList.size() > 0) {VideoListModel video = videoList.get(0);String title = video.getTitle().replace(" ", "");String cataid = video.getClassifyId();String userid = video.getUserId();String trueName = video.getTrueName();long ts = System.currentTimeMillis();String sign = EncryptionUtils.md5Hex(ts + userid + "grab");String url = fileUrl + trueName; String pathStr="http://v.polyv.net/uc/services/rest?method=uploadForDownloader&fileUrl="+url+"&userid="+userid+"&title="+title+"&cataid="+cataid+"&ts="+ts+"&sign="+sign; System.out.println("----url-----"+pathStr); vid=httpGetVid(pathStr);//获取vid if(vid==null){ try {Thread.sleep(1000);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} vid=httpGetVid(pathStr);//获取vid }  //第二次 if(vid==null){ try {Thread.sleep(1000);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} vid=httpGetVid(pathStr);//获取vid }   System.out.println("------下载完成获取vid---------" + vid);}// 下载完成，更改视频状态为SUCCESSVideoListModel video = new VideoListModel();video.setId(Integer.valueOf(taskId));video.setStatus(VideoStatus.SUCCESS.getValue());video.setVid(vid);Date date = new Date();Timestamp timeStamp = new Timestamp(date.getTime());video.setLastDate(timeStamp);try {SqlVideoList sqlVideoList = new SqlVideoList();sqlVideoList.updateDateVid(video);} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("下载完成,更改视频状态失败" + e);e.printStackTrace();}// 下载完成，从任务队列移除该任务try {SqlTaskQueue stq = new SqlTaskQueue();stq.deleteDate(taskId);} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("任务移除失败" + e);e.printStackTrace();}}else if (connection.getResponseCode() == 416) {// 416- 请求长度超出范围System.out.println("已经下载完了======"+connection.getResponseCode());downloadStatus = false;// 代表下载失败，要去更新下载失败的状态}else {downloadStatus = true;// 代表下载失败，要去更新下载失败的状态}} catch (NumberFormatException e) {// TODO Auto-generated catch blockdownloadStatus = true;// 代表下载失败，要去更新下载失败的状态e.printStackTrace();} catch (ProtocolException e) {// TODO Auto-generated catch blockdownloadStatus = true;// 代表下载失败，要去更新下载失败的状态e.printStackTrace();} catch (FileNotFoundException e) {// TODO Auto-generated catch blockdownloadStatus = true;// 代表下载失败，要去更新下载失败的状态e.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blockdownloadStatus = true;// 代表下载失败，要去更新下载失败的状态e.printStackTrace();}if (downloadStatus) {// 下载失败，更改视频状态VideoListModel video = new VideoListModel();video.setId(Integer.valueOf(taskId));video.setStatus(VideoStatus.FAIL.getValue());try {SqlVideoList sqlVideoList = new SqlVideoList();sqlVideoList.updateDate(video);} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("下载失败,更改视频状态失败" + e);e.printStackTrace();}}else{// 下载完成，从任务队列移除该任务try {SqlTaskQueue stq = new SqlTaskQueue();stq.deleteDate(taskId);} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("任务移除失败" + e);e.printStackTrace();}VideoListModel video = new VideoListModel();video.setId(Integer.valueOf(taskId));video.setStatus(VideoStatus.SUCCESS.getValue());Date date = new Date();Timestamp timeStamp = new Timestamp(date.getTime());video.setLastDate(timeStamp);try {SqlVideoList sqlVideoList = new SqlVideoList();sqlVideoList.updateSuccessDate(video);} catch (SQLException e) {// TODO Auto-generated catch blockSystem.out.println("下载好了,更改视频状态失败" + e);e.printStackTrace();}}}/** * 获取相应头部 *  * @param http * @return */public static Map<String, String> getHttpResponseHeader(HttpURLConnection http) {Map<String, String> header = new LinkedHashMap<String, String>();for (int i = 0;; i++) {String mine = http.getHeaderField(i);String key = http.getHeaderFieldKey(i);System.out.println(key+"=======test======="+mine);if (key == null || mine == null) {break;} else {header.put(http.getHeaderFieldKey(i), mine);}}return header;}/** * 输出信息 *  * @param msg */private static void print(String msg) {// Log.i(TAG, msg);System.out.println(TAG + "TAG{}," + msg);}/** * 输出相应头信息 *  * @param http */public static void printResponseHeader(HttpURLConnection http) {Map<String, String> header = getHttpResponseHeader(http);for (Map.Entry<String, String> entry : header.entrySet()) {String key = entry.getKey() != null ? entry.getKey() + ":" : "";print(key + entry.getValue());}}/** * 发送请求，获取API数据 *  * @param userId * @return  *         http://beta.polyv.net/uc/services/rest?url=http://grap.polyv.net/xxx *         .mp4&title=filename&cataid=xxx&ts=&userid=&sign= */public String httpGetVid(String url) {String contentStr = "";String vid = null;String urlStr = url;CloseableHttpClient httpclient = HttpClients.createDefault();HttpGet httpGet = new HttpGet(urlStr);try {CloseableHttpResponse response = httpclient.execute(httpGet);InputStream is = null;Scanner sc = null;Writer os = null;if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {try {// 2、获取response的entity。HttpEntity entity = response.getEntity();is = entity.getContent();sc = new Scanner(is);while (sc.hasNext()) {contentStr = contentStr + sc.nextLine();}} catch (ClientProtocolException e) {e.printStackTrace();} finally {if (sc != null) {sc.close();}if (is != null) {is.close();}if (os != null) {os.close();}if (response != null) {response.close();}}}} catch (ClientProtocolException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}if (StringUtils.isNotBlank(contentStr)) {System.out.println("====="+contentStr);Pattern pattern = Pattern.compile("\"vid\":\"([0-9a-z_]{34})\"");Matcher matcher = pattern.matcher(contentStr);if(matcher.find()){vid = matcher.group(1);System.out.println(vid);}}if (vid != null) {return vid;} else {return "";}}}

线程池类：

package com.grab.video.listener;import java.util.concurrent.Executors;import java.util.concurrent.ThreadFactory;/** * Hands out threads from the wrapped threadfactory with setDeamon(true), so the * threads won't keep the JVM alive when it should otherwise exit. */public class DaemonThreadFactory implements ThreadFactory {    private final ThreadFactory factory;    /**     * Construct a ThreadFactory with setDeamon(true) using     * Executors.defaultThreadFactory()     */    public DaemonThreadFactory() {        this(Executors.defaultThreadFactory());    }    /**     * Construct a ThreadFactory with setDeamon(true) wrapping the given factory     *      * @param thread     *            factory to wrap     */    public DaemonThreadFactory(ThreadFactory factory) {        if (factory == null)            throw new NullPointerException("factory cannot be null");        this.factory = factory;    }    public Thread newThread(Runnable r) {        final Thread t = factory.newThread(r);        t.setDaemon(true);        return t;    }}

任务执行线程池：

package com.grab.video.listener;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.concurrent.ThreadFactory;import javax.servlet.ServletContext;import javax.servlet.ServletContextEvent;import javax.servlet.ServletContextListener;public class ExecutorContextListener implements ServletContextListener {private ExecutorService executor;public void contextInitialized(ServletContextEvent arg0) {ServletContext context = arg0.getServletContext();int nr_executors = 3;ThreadFactory daemonFactory = new DaemonThreadFactory();try {nr_executors = Integer.parseInt(context.getInitParameter("nr-executors"));} catch (NumberFormatException ignore) {}if (nr_executors <= 1) {executor = Executors.newSingleThreadExecutor(daemonFactory);} else {executor = Executors.newFixedThreadPool(nr_executors, daemonFactory);}context.setAttribute("DOWNLOAD_EXECUTOR", executor);}public void contextDestroyed(ServletContextEvent arg0) {ServletContext context = arg0.getServletContext();executor.shutdownNow(); // or process/wait until all pending jobs are// done}}

web.xml(项目启动时，启动任务线程类)

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"id="school" version="2.5">  <display-name>Archetype Created Web Application</display-name>    <context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></context-param><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><listener>    <listener-class>com.grab.video.listener.ExecutorContextListener</listener-class>  </listener><filter><filter-name>encodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param><init-param><param-name>forceEncoding</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>encodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping><servlet><servlet-name>dispatcher</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dispatcher</servlet-name><url-pattern>/</url-pattern></servlet-mapping><session-config><session-timeout>120</session-timeout></session-config><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list><error-page><error-code>403</error-code><location>/error/403</location></error-page><error-page><error-code>404</error-code><location>/error/404</location></error-page></web-app>

下载页面：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><%@ page language="java" import="java.util.List"import="com.grab.video.controller.VideoListModel"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">    <title>视频</title>    <meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">-->  <link href="/resources/bootstrap/css/bootstrap.css" rel="stylesheet" />  <script src="/resources/js/jquery-1.7.2.js"></script>    <script type="text/javascript">    var userId;    $(document).ready(function(){  userId=$("#userId").val();      var timeId = setInterval(function () {     $.ajax({        type: "POST",        url: "/grab/download/status",  /* 注意后面的名字对应CS的方法名称 */        data: "{}", /* 注意参数的格式和名称 */        contentType: "application/json; charset=utf-8",        dataType: "json",        success: function (data) {        //console.log(data);        for(var i in data) {           var percent = data[i].percent;           console.log(percent);           if(percent>0 && percent<100){           $("#progress"+data[i].id).html("<div class='progress'><div class='progress-bar' role='progressbar' aria-valuenow='60' aria-valuemin='0' aria-valuemax='100' style='width:"+ percent+"%;'>"+percent+"%</div></div>");           $("#downloadTd"+data[i].id).html("下载中...");           }else if(percent>100){           percent=100;           $("#progress"+data[i].id).html("<div class='progress'><div class='progress-bar' role='progressbar' aria-valuenow='60' aria-valuemin='0' aria-valuemax='100' style='width:"+ percent+"%;'>"+percent+"%</div></div>");           $("#downloadTd"+data[i].id).html("下载完");           }                      if(data[i].status=="SUCCESS"){           $("#Tr"+data[i].id).remove();           }else if(data[i].status=="FAIL"){           $("#progress"+data[i].id).html("失败");           //$("#downloadTd"+data[i].id).html("失败");           }            }                }    });    },4000);  });               //下载单个文件  function downvideo(obj){    var num="0%";  var htmlstr="<div class='progress'><div class='progress-bar' role='progressbar' aria-valuenow='60' aria-valuemin='0' aria-valuemax='100' style='width:"+ num+";'>"+num+"</div></div>";  $(obj).parents(".downloadTd").siblings(".progressStatus").html(htmlstr);    $(obj).parents(".downloadTd").html("下载中...");    var videoId=$(obj).attr("videoId");  var url=$(obj).attr("dataUrl");      //下载    $.post(url,{},function(data){});      var test = setTimeout(function(){    //location.href ="/grab/download/manage?userId="+userId;    },1000);  }  </script>  </head>    <body><div class="container">    <div class="col-md-12">      <div class="page-header clearfix">  <h3 class="pull-left">视频管理</h3></div> <div>      <ul class="nav nav-tabs">        <li><a href="/grab/import">导入任务</a></li>        <li class="active"><a href="/grab/download/manage">待抓视频</a></li>        <li><a href="/grab/export">已抓视频</a></li>      </ul></div><input type="hidden" id="userId" name="userId" value="${userId}"/> <%List<VideoListModel> ls = (List) request.getAttribute("videolist");if(ls.size()>0){%>     <form action="/grab/download/manage" method="post">         <button type="submit" class="btn btn-default btn-info pull-right" style="margin-top:10px;">全部下载</button>         <input type="hidden" id="userId" class="userId" name="userId" value="<%=ls.get(0).getUserId() %>" /><div class="row"><table id="guanggao-table" class="table table-hover"><thead><tr><th>序号</th><th>视频URL</th><th>标题</th><th>视频分类</th><th width="15%">状态</th><th>操作1</th><th>操作2</th></tr></thead><tbody>  <%for(int i=0;i<ls.size();i++){ %><tr id="Tr<%=ls.get(i).getId() %>" pUrl="/grab/download/progress?videoId=<%=ls.get(i).getId() %>&trueName=<%=ls.get(i).getTrueName() %>&userId=<%=ls.get(i).getUserId() %>&url=<%=ls.get(i).getUrl() %>" >   <td> <%=i+1 %>      <input type="hidden" id="videoId" class="videoId" name="videoId" value="<%=ls.get(i).getId() %>" />      <input type="hidden" id="url" class="url" name="url" value="<%=ls.get(i).getUrl() %>" />      <input type="hidden" id="trueName" class="trueName" name="trueName" value="<%=ls.get(i).getTrueName() %>" />   </td>   <td>   <a href="<%=ls.get(i).getUrl() %>" title="<%=ls.get(i).getUrl() %>"><%String str=ls.get(i).getUrl();String pathstr=str.substring(0, 20);%>     <%=pathstr %>...   </a>      </td>   <td><%=ls.get(i).getTitle() %></td>   <td><%=ls.get(i).getClassifyName() %></td>   <td class="progressStatus" id="progress<%=ls.get(i).getId() %>">              <% if("NO".equals(ls.get(i).getStatus().trim())){%>                <div>待抓取</div>           <%}else if("WAIT".equals(ls.get(i).getStatus().trim())){ %>               <div>等待</div>           <%}else if("TRANSCODING".equals(ls.get(i).getStatus().trim())){ %>               <div class="progress">               <div class="progress-bar" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width:1%;">1%</div>               </div>           <%}else if("EXECUTE".equals(ls.get(i).getStatus().trim())){ %>                          <%}else if("SUCCESS".equals(ls.get(i).getStatus().trim())){ %>                <div>成功</div>           <%}else{ %>                <div>失败 </div>           <%} %>   </td>   <td class="downloadTd" id="downloadTd<%=ls.get(i).getId() %>">     <% if("EXECUTE".equals(ls.get(i).getStatus().trim())){%>             下载中...<div class="execute" videoId="<%=ls.get(i).getId() %>" style="display:none;"></div>                     <%}else if("WAIT".equals(ls.get(i).getStatus().trim())){ %>       等待         <%}else{%>      <button type="button" class="btn btn-default btn-info" videoId="<%=ls.get(i).getId() %>" dataUrl="/grab/download/manage?videoId=<%=ls.get(i).getId() %>&trueName=<%=ls.get(i).getTrueName() %>&userId=<%=ls.get(i).getUserId() %>&url=<%=ls.get(i).getUrl() %>"  onclick="downvideo(this);">抓取</button>         <%} %>       </td>       <td>       <!--        <button type="button" class="btn btn-default" videoId="<%=ls.get(i).getId() %>" dataUrl="/grab/video/stop?videoId=<%=ls.get(i).getId() %>&trueName=<%=ls.get(i).getTrueName() %>&userId=<%=ls.get(i).getUserId() %>&url=<%=ls.get(i).getUrl() %>" onclick="stopVideo(this);">暂停</button>        -->       <button type="button" class="btn btn-default" videoId="<%=ls.get(i).getId() %>" dataUrl="/grab/delete/videoId?videoId=<%=ls.get(i).getId() %>" onclick="deleteVideo(this);">删除</button>       </td></tr> <%} %>   </tbody></table></div></form><%}else{ %><div class="col-md-6" style="padding-top:30px;">暂无视频可以抓取</div><%} %>         </div>   </div>  </body></html><script>//删除文件function deleteVideo(obj){var url=$(obj).attr("dataUrl");    if (!confirm('真的要永久删除该内容吗？')) {        return ;    }else{        $.ajax({            type: "GET",            url: url,  /* 注意后面的名字对应CS的方法名称 */            data: "{}", /* 注意参数的格式和名称 */            contentType: "application/json; charset=utf-8",            dataType: "json",            success: function (data) {            console.log(data);              var mark=data.result;                if(mark=="yes"){                // window.location.reload();                location.href ="/grab/download/manage?userId="+userId;                }else{                    alert("删除失败！");                }            }        });    }}//暂停下载function stopVideo(obj){var url=$(obj).attr("dataUrl");    if (!confirm('暂停下载')) {        return ;    }else{        $.ajax({            type: "GET",            url: url,  /* 注意后面的名字对应CS的方法名称 */            data: "{}", /* 注意参数的格式和名称 */            contentType: "application/json; charset=utf-8",            dataType: "json",            success: function (data) {            console.log(data);              var mark=data.result;                if(mark=="yes"){                // window.location.reload();                location.href ="/grab/download/manage?userId="+userId;                }else{                    alert("操作失败！");                }            }        });    }}</script>