Spring使用memcached
applicationContext.xml配置文件：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd"><!-- 讀取項目的資源配置 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>classpath:jdbc.properties</value> <!-- <value>classpath:mail.properties</value> --> <!-- <value>classpath:memcached.properties</value> --> </list> </property> </bean> <!-- JDBC數據源 --> <bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/springtest" /> <property name="username" value="xuan" /> <property name="password" value="123456" /> <property name="testWhileIdle" value="true" /> <property name="testOnBorrow" value="true" /> <property name="testOnReturn" value="false" /> <property name="validationQuery" value="SELECT 1" /> <property name="validationInterval" value="30000" /> <property name="timeBetweenEvictionRunsMillis" value="30000" /> <property name="maxActive" value="100" /> <property name="minIdle" value="2" /> <property name="maxWait" value="10000" /> <property name="initialSize" value="4" /> <property name="removeAbandonedTimeout" value="60" /> <property name="removeAbandoned" value="true" /> <property name="logAbandoned" value="true" /> <property name="minEvictableIdleTimeMillis" value="30000" /> <property name="jmxEnabled" value="true" /> </bean> <!-- 事務管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 事務模板 --> <bean id="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate"> <property name="transactionManager" ref="transactionManager" /> <property name="timeout" value="10"></property> <property name="isolationLevelName" value="ISOLATION_READ_COMMITTED"></property> </bean> <!-- 配置支持注解方式聲明事務 --> <tx:annotation-driven transaction-manager="transactionManager" /> </beans> </pre>
在Java類文件使用：package com.grab.video.controller;import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; 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.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 net.spy.memcached.MemcachedClient; import org.apache.commons.io.FilenameUtils; import org.apache.commons.lang3.StringUtils; 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; @Controller public class GrabVideoController { private static final Logger LOG = LoggerFactory.getLogger(GrabVideoController.class); private static String filePath="D:\\logs\\video"; //private static String filePath = "/home/grabVideo/"; @Autowired private MemcachedClient memcachedClient; @Autowired ServletContext context; /** * 輸入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(); // 身份驗證 if (StringUtils.isNotBlank(userId)) { String encryptedSign = EncryptionUtils.md5Hex(ts + userId + "grab"); if (sign.equals(encryptedSign)) { memcachedClient.set("userId", 5*24*60*60, userId);//緩存為有效時間為5日 //HttpSession session = request.getSession(); //session.setMaxInactiveInterval(5*24*60*60);//秒為單位,設置session周期為5天 //session.setAttribute("userId", userId);// 把userId存放到session String url = "/grab/import"; mav.setView(new RedirectView(url)); return mav; } } mav.setViewName("video/error"); return mav; } /** * 導入文件 * * @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 (memcachedClient.get("userId") != null) { userId = (String) memcachedClient.get("userId"); SqlFileList sqlFileList = new SqlFileList(); List<FileListModel> list = new ArrayList<FileListModel>(); try { list = sqlFileList.selectDate(userId); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } // 從POLYV的API獲取目錄 mav.addObject("list", list); mav.addObject("userId", userId); mav.setViewName("video/import"); return mav; } mav.setViewName("video/login"); return mav; } /** * 刪除文件 * * @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 block e.printStackTrace(); } AjaxPostResponse resp = new AjaxPostResponse("yes"); return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK); } /** * 解析文件 * * @return */ @RequestMapping(value = "/grab/analysis", method = { RequestMethod.GET }) public ResponseEntity<AjaxPostResponse> analysisFile(HttpServletRequest request, HttpServletResponse response) { 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); List<String> urlList = new ArrayList<String>(); List<String> titleList = new ArrayList<String>(); try { URL url = new URL(fileUrl); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream(), "GBK")); String line = null; while ((line = reader.readLine()) != null) { 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 block LOG.info("文件解析失敗：" + e); e.printStackTrace(); AjaxPostResponse resp = new AjaxPostResponse("no"); return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK); } // 更新狀態 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 block LOG.info("文件狀態修改成功：" + e1); e1.printStackTrace(); } // LOG.info("00000"+classifyName); classifyName = classifyName.replace("-", ""); // LOG.info(classifyName); // 添加數據 SqlVideoList sqlvideo = new SqlVideoList(); 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));// 視頻源地址 video.setTitle(titleList.get(i));// 視頻標題 String urlstr = urlList.get(i); // String path=urlstr.substring(0, urlstr.indexOf("?")); // String format=path.substring(path.lastIndexOf("."), // path.length());//視頻格式 // 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);// 用于下載使用的視頻名稱 video.setClassifyId(classifyId); video.setClassifyName(classifyName.trim()); video.setStatus(VideoStatus.NO.getValue());// 等待、 video.setVid(""); video.setCreateTime(timeStamp); try { sqlvideo.insertDate(video);// 添加數據庫 } catch (SQLException e) { // TODO Auto-generated catch block LOG.info("添加數據庫:" + 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); } /** * 獲取下載進度 * * @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; // LOG.info("-------ccccc4------------"+session.getAttribute("fileSize"+id)); if (memcachedClient.get("fileSize" + String.valueOf(id)) == null) { // 文件大小還沒存進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 block LOG.info("查詢文件大小" + e2); e2.printStackTrace(); } if (list.size() > 0) { TaskQueue tQueue = list.get(0); content = tQueue.getFileSize(); memcachedClient.set("fileSize" + String.valueOf(id),24*60*60, content);// 存進session } else { URL url = null; try { url = new URL(urlstr); HttpURLConnection connection = (HttpURLConnection) url.openConnection();// 進行連接握手 connection.setRequestMethod("GET");// 請求方式 content = (int) connection.getContentLength(); memcachedClient.set("fileSize" + String.valueOf(id),24*60*60,content);//memcached // LOG.info("-------content------"+content); } catch (Exception e1) { // TODO Auto-generated catch block LOG.info("鏈接失敗" + e1); e1.printStackTrace(); } } } else { // 文件大少在session中 String contentString = String.valueOf(memcachedClient.get("fileSize" + String.valueOf(id))); // LOG.info("-------ccccc------------"+contentString); content = Integer.parseInt(contentString.trim()); } // 文件存儲位置、文件命名處理 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) memcachedClient.get(userId + id);// 將當前下載進度存放到session中。 } else { length = (int) file.length(); progress = length * 100 / content; // 將當前下載進度存放到session中。 memcachedClient.set(userId + id,24*60*60,progress); LOG.info(id + "-------progress------" + progress); } } catch (Exception e) { LOG.info("不能解析的路徑：" + 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); } /** * 批量抓取視頻(下載視頻模塊--根據視頻源地址去抓取視頻)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); } SqlTaskQueue stq = new SqlTaskQueue(); SqlVideoList svl = new SqlVideoList(); // 把任務隊列添加進數據庫 if (taskQueues.size() > 0) { // 存在有任務 for (int i = 0; i < taskQueues.size(); i++) { TaskQueue task = taskQueues.get(i); List<TaskQueue> taskList = new ArrayList<TaskQueue>();// 查詢任務是否已存在 try { taskList = stq.selectDateOne(task.getTaskId()); } catch (SQLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } if (taskList.size() > 0) { // 該任務已存在 } else { task.setFileSize(0); task.setProgress(0); task.setStatus("N"); Date date = new Date(); Timestamp timeStamp = new Timestamp(date.getTime()); task.setCreateTime(timeStamp); try { stq.insertDate(task); } catch (SQLException e) { // TODO Auto-generated catch block LOG.info("下載任務添加失敗！" + e); e.printStackTrace(); } } } } // 獲取所有的任務隊列 List<TaskQueue> workQueues = new ArrayList<TaskQueue>(); try { workQueues = stq.selectDate(userId); } catch (SQLException e) { // TODO Auto-generated catch block LOG.info("獲取下載任務失敗" + 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();// 目錄不存在創建目錄 } URL url = null; try { url = new URL(workQueues.get(i).getVideoUrl()); } catch (MalformedURLException e) { // TODO Auto-generated catch block LOG.info("握手失敗" + e); e.printStackTrace(); } if (url != null) { // 將下載任務線程，放入線程池中執行 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());// 將狀態改為等待 try { svl.updateDate(vlm); } catch (SQLException e) { // TODO Auto-generated catch block LOG.info("更改下載狀態失敗" + e); e.printStackTrace(); } } } } // 關閉線程池 // pool.shutdown(); // 重新查詢視頻列表 List<VideoListModel> list = new ArrayList<VideoListModel>(); try { list = svl.selectDate(userId); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } ModelAndView mav = new ModelAndView(); mav.addObject("videolist", list); mav.addObject("userId", userId); mav.setViewName("video/download"); return mav; } /** * 獲取視頻的下載進度() * @param request */ @RequestMapping(value="/grab/download/status",method = {RequestMethod.GET,RequestMethod.POST}) public @ResponseBody ResponseEntity<String> downloadStatus(HttpServletRequest request, HttpServletResponse response) throws JsonGenerationException, JsonMappingException, IOException { String userId = null; if (memcachedClient.get("userId") != null) { userId = (String) memcachedClient.get("userId"); SqlVideoList sqlVideoList = new SqlVideoList(); List<VideoListModel> list = new ArrayList<VideoListModel>(); try { list = sqlVideoList.selectDate(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 block 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(); if (memcachedClient.get("userId") != null) { userId = (String) memcachedClient.get("userId"); SqlVideoList sqlVideoList = new SqlVideoList(); List<VideoListModel> list = new ArrayList<VideoListModel>(); try { list = sqlVideoList.selectDate(userId); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } mav.addObject("videolist", list); mav.addObject("userId", userId); mav.setViewName("video/download"); return mav; } mav.setViewName("video/login"); return mav; } /** * 導出下載成功的視頻 * * @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(); if (memcachedClient.get("userId") != null) { userId = (String) memcachedClient.get("userId"); SqlVideoList sqlVideoList = new SqlVideoList(); List<VideoListModel> list = new ArrayList<VideoListModel>(); try { list = sqlVideoList.selectSuccessDate(userId); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } mav.addObject("videolist", list); mav.addObject("userId", userId); mav.setViewName("video/export"); return mav; } mav.setViewName("video/login"); return mav; } /** * export導出文件 */ @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 block e.printStackTrace(); } // 導出txt文件 response.setContentType("text/plain"); String fileName = "videolist"; try { fileName = URLEncoder.encode("videolist", "UTF-8"); } catch (UnsupportedEncodingException e1) { // TODO Auto-generated catch block e1.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); // 把內容寫入文件 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(enter); } } buff.write(write.toString().getBytes("UTF-8")); buff.flush(); buff.close(); } catch (Exception e) { e.printStackTrace(); } finally { try { buff.close(); outSTr.close(); } catch (Exception e) { e.printStackTrace(); } } } } /** * 清空導出視頻列表 * /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); if (memcachedClient.get("userId") != null) { String userId=(String) memcachedClient.get("userId"); SqlVideoList sqlVideoList=new SqlVideoList(); try { sqlVideoList.cleanDate(userId); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } //刪除成功 System.out.println("刪除成功！"); AjaxPostResponse resp = new AjaxPostResponse("yes"); return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK); }else{ //刪除失敗 System.out.println("刪除失敗！"); AjaxPostResponse resp = new AjaxPostResponse("no"); return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK); } } /** * 刪除視頻 * /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)) { SqlTaskQueue stq=new SqlTaskQueue(); SqlVideoList sqlVideoList=new SqlVideoList(); try { List<TaskQueue> list=stq.selectDateOne(videoId); if(list.size()>0){ stq.deleteDate(videoId);//刪除任務 } sqlVideoList.deleteDate(videoId);//刪除視頻 } catch (SQLException e) { // TODO Auto-generated catch block System.out.println("刪除失敗"+e); e.printStackTrace(); } //刪除成功 AjaxPostResponse resp = new AjaxPostResponse("yes"); return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK); }else{ //刪除失敗 AjaxPostResponse resp = new AjaxPostResponse("no"); return new ResponseEntity<AjaxPostResponse>(resp, headers, HttpStatus.OK); } } } </pre>
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