毕业设计：本人精品课程毕业设计的重构，使用springboot框架重写.zip

package com.wulaobo.controller; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.wulaobo.bean.Video; import com.wulaobo.service.VideoService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.*; import java.net.URLEncoder; import java.sql.Timestamp; import java.text.DecimalFormat; import java.util.List; import java.util.Random; @Controller public class VideoController { @Autowired private VideoService videoService; @PostMapping(value = "/videoUpload") public String videoUpload(String title, MultipartFile file, HttpServletRequest request) throws IOException { Video video = new Video(); String videoName = file.getOriginalFilename(); //获取上传后的文件名 // String newVideoName = this.getName(videoName); //根据上传的文件名重新生成一份新的文件名 // String path = request.getServletContext().getRealPath("video"); String path = "D:/upload/video/"; File videoPath = new File(path, videoName); if (!videoPath.getParentFile().exists()) { videoPath.getParentFile().mkdirs(); } file.transferTo(videoPath); video.setPath("/video/" + videoName); Timestamp timestamp = new Timestamp(System.currentTimeMillis()); video.setUploadTime(timestamp); video.setTitle(title); video.setSize(this.getSize(videoPath)); video.setType(this.getFileExt(videoName)); boolean result = videoService.addVideo(video); if (result) { return "admin/uploadSuccess"; } return "failed"; } //管理员 @GetMapping(value = "/getVideoList") public String getVideoList(@RequestParam(value = "pageNum", defaultValue = "1") Integer num, ModelMap model) { PageHelper.startPage(num, 5); PageHelper.orderBy("uploadTime desc"); List<Video> videoList = videoService.getVideoList(); PageInfo pageInfo = new PageInfo(videoList); model.addAttribute("pageInfo", pageInfo); return "admin/video/videoList"; } //普通用户 @GetMapping(value = "/getVideoListByUser") public String getVideoListByUser(@RequestParam(value = "pageNum", defaultValue = "1") Integer num, ModelMap model) { PageHelper.startPage(num, 5); PageHelper.orderBy("uploadTime desc"); List<Video> videoList = videoService.getVideoList(); PageInfo pageInfo = new PageInfo(videoList); model.addAttribute("pageInfo", pageInfo); return "frontPage/videoList"; } //管理员点击播放按钮，开始播放视频 @GetMapping(value = "/videoPlayByIdAndAdmin") public String videoPlayByIdAndAdmin(Integer id, ModelMap model) { Video video = videoService.getVideoById(id); model.addAttribute("title", video.getTitle()); model.addAttribute("path", video.getPath()); return "videoPlay"; } @GetMapping(value = "/deleteVideoById") public String deleteVideoById(Integer id, ModelMap model) { Video video = videoService.getVideoById(id); if (video != null) { int result = videoService.deleteVideoById(id); if (result > 0) { File file = new File("D:/upload"+video.getPath()); if (file.exists()) { file.delete(); return "forward:/getVideoList"; } } } return "failed"; } @GetMapping(value = "/downloadVideoById") public void downloadVideoById(Integer id, HttpServletResponse response) throws IOException { Video video = videoService.getVideoById(id); String dict = "D:/upload/"; File file = new File(dict, video.getPath()); try { response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(video.getPath(), "UTF-8")); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } FileInputStream fis = null; OutputStream fos = response.getOutputStream(); if (file.exists()) { fis = new FileInputStream(file); byte[] buffer = new byte[1024]; int len = 0; while ((len = fis.read(buffer)) > 0) { fos.write(buffer, 0, len); } } fis.close(); fos.close(); } /** * 获取文件扩展名 * * @return string */ private String getFileExt(String fileName) { return fileName.substring(fileName.lastIndexOf(".")); } /** * 依据原始文件名生成新文件名 * * @return */ private String getName(String fileName) { Random random = new Random(); return "" + random.nextInt(10000) + System.currentTimeMillis(); } /** * 文件大小，返回kb.mb * * @return */ private String getSize(File file) { String size = ""; long fileLength = file.length(); DecimalFormat df = new DecimalFormat("#.00"); if (fileLength < 1024) { size = df.format((double) fileLength) + "BT"; } else if (fileLength < 1048576) { size = df.format((double) fileLength / 1024) + "KB"; } else if (fileLength < 1073741824) { size = df.format((double) fileLength / 1048576) + "MB"; } else { size = df.format((double) fileLength / 1073741824) + "GB"; } return size; } }