Java毕业设计管理系统.zip

package com.qxy.studentinternshipsystem.controller; import com.qxy.studentinternshipsystem.service.FileService; import com.qxy.studentinternshipsystem.utils.ResponseMessage; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletResponse; import java.io.*; import java.util.List; import java.util.UUID; @Controller @RequestMapping("/file") public class FileController { @Autowired private FileService fileService; /** * 校验上传的文件，进行保存 */ @RequestMapping(value = "/uploadFile", method = RequestMethod.POST) public @ResponseBody ResponseMessage uploadFile(@RequestParam("multipartFile") MultipartFile multipartFile , @RequestParam("fileDescribe") String fileDescribe, @RequestParam("type") Integer type) throws IOException { System.out.println(fileDescribe); //设置文件保存路径 final String path = "D:\\file\\"; String fileName = multipartFile.getOriginalFilename(); //封装文件对象 File file = new File(path, fileName); //判断文件夹是否存在，如果不存在则创建 if (!file.exists()) { if (!file.getParentFile().exists()) { file.getParentFile().mkdirs(); } file.createNewFile(); } try { // 文件写入 multipartFile.transferTo(file); } catch (Exception e) { e.printStackTrace(); return new ResponseMessage("0", "操作失败"); } ResponseMessage responseMessage = new ResponseMessage("1", "操作成功"); if(fileName != null && !"".equals(fileName) ){ //写入数据库 com.qxy.studentinternshipsystem.entity.File file1 = new com.qxy.studentinternshipsystem.entity.File(); file1.setFileId(UUID.randomUUID().toString()); file1.setFileName(fileName); file1.setFilePath(path + fileName); file1.setFileDescribe(fileDescribe); file1.setType(type); fileService.insertFile(file1); } return responseMessage; } //获取所有类型为0的文件，即教学资料 @RequestMapping("/getAllFile") public @ResponseBody ResponseMessage getAllFile(){ try { List<com.qxy.studentinternshipsystem.entity.File> fileList = fileService.getAllFile(0); ResponseMessage responseMessage = new ResponseMessage("1","获取成功"); responseMessage.getData().put("fileList",fileList); return responseMessage; } catch (Exception e){ e.printStackTrace(); return new ResponseMessage("0","获取失败"); } } //获取所有类型为1的文件，即作业 @RequestMapping("/getAllWorkFile") public @ResponseBody ResponseMessage getAllWorkFile(){ try { List<com.qxy.studentinternshipsystem.entity.File> fileList = fileService.getAllFile(1); ResponseMessage responseMessage = new ResponseMessage("1","获取成功"); responseMessage.getData().put("fileList",fileList); return responseMessage; } catch (Exception e){ e.printStackTrace(); return new ResponseMessage("0","获取失败"); } } /** * 文件下载 * @param file * @param response * @return */ @RequestMapping(value = "/downloadFile", method = RequestMethod.POST) public @ResponseBody ResponseMessage downloadFile(@RequestBody com.qxy.studentinternshipsystem.entity.File file, HttpServletResponse response) { //获取文件的信息 try { //拿到文件路径 String filePath = file.getFilePath(); File f = new File(filePath); if (f.exists()) { byte[] buffer = new byte[1024]; FileInputStream fis = null; BufferedInputStream bis = null; try { fis = new FileInputStream(f); bis = new BufferedInputStream(fis); //从响应中拿到输出流对象 OutputStream os = response.getOutputStream(); int i = bis.read(buffer); while (i != -1) { os.write(buffer, 0, i); i = bis.read(buffer); } return new ResponseMessage("1", "下载文件成功"); } catch (Exception e) { e.printStackTrace(); return new ResponseMessage("-1", "下载文件失败"); } finally { if (bis != null) { try { bis.close(); } catch (IOException e) { e.printStackTrace(); } } if (fis != null) { try { fis.close(); } catch (IOException e) { e.printStackTrace(); } } } } return new ResponseMessage("-1", "下载文件不存在"); } catch (Exception e) { e.printStackTrace(); return new ResponseMessage("-1", "下载文件失败"); } } @RequestMapping(value = "/updateFile", method = RequestMethod.POST) public @ResponseBody ResponseMessage updateFile(@RequestBody com.qxy.studentinternshipsystem.entity.File file){ System.out.println(file); try { fileService.updateFile(file); return new ResponseMessage("1","修改成功"); } catch (Exception e){ e.printStackTrace(); return new ResponseMessage("0","修改失败"); } } @RequestMapping("/deleteFile") public @ResponseBody ResponseMessage deleteFile(String fileId){ try { fileService.deleteFile(fileId); return new ResponseMessage("1","删除成功"); } catch (Exception e){ e.printStackTrace(); return new ResponseMessage("0","删除失败"); } } }