基于javaweb的SSM+Maven在线作业提交批改系统(java+ssm+mysql+jsp+bootstrap)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

基于javaweb的SSM+Maven在线作业提交批改系统(java+ssm+mysql+jsp+bootstrap)

根路径：/

【code】目录复制到D盘：d:/code/file/work_submit/download/

管理员：
admin 123456

学生：
20001 123456
20002 123456
20003 123456
20004 123456
20005 123456

教师：
10001 123456
10002 123456

上传的文件最好用pdf格式

	}

	
	
	
    
}








@Controller
@RequestMapping("/tea")
public class TeaWorkCommitChartsController {

	@Autowired
	private StuMapper stuMapper;
	
	@Autowired
	private WorkCommitMapper workCommitMapper;
	
	@Autowired
	private WorkMapper workMapper;

	@Autowired
	private ClazzMapper clazzMapper;

	System.out.println("dirs is exists");
}else{
	dir.mkdirs();
	System.out.println(" created dirs");
}

//获取上传文件的名称
//String filename=upload.getOriginalFilename();
String filename=upload.getOriginalFilename();
try {
	filename = URLEncoder.encode(filename,"UTF-8");
} catch (UnsupportedEncodingException e1) {
	// TODO Auto-generated catch block
	e1.printStackTrace();
}
//获取上传文件的扩展名
String suffix=filename.substring(filename.lastIndexOf("."));
//为了防止上传文件同名，需要给上传文件重新命名
String tempFileName=suffix;
File dest = new File(path + "/" + tempFileName);
try {
	upload.transferTo(dest); //保存文件
} catch (IOException e) {
	// TODO Auto-generated catch block
	e.printStackTrace();
}

work.setPath(path + "/" + tempFileName);




SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String formatStr =formatter.format(new Date());

work.setCreate_time(formatStr);

workMapper.insert(work);

//添加作业，添加公告
WorkNotice notice = new WorkNotice();
notice.setContent(work.getContent());

		return "tea/stu/list";
	}
	
	/**
	 * 去编辑页面
	 */
	@RequestMapping(value="/gotoEditStu")
	public String gotoEditHotelType(Integer id,Map<String, Object> map){
		List<Clazz> clazzs = clazzMapper.findList(null);
		map.put("clazzs", clazzs);
		
		Stu stu =stuMapper.findById(id);
		map.put("pa", stu);
		return "tea/stu/edit";
	}

    
}


public class SimpleCORSFilter implements Filter {
    private boolean isCross = false;

    @Override
    public void destroy() {
        isCross = false;
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        if (isCross) {
            HttpServletRequest httpServletRequest = (HttpServletRequest) request;
            HttpServletResponse httpServletResponse = (HttpServletResponse) response;
            System.out.println("拦截请求: " + httpServletRequest.getServletPath());
            httpServletResponse.setHeader("Access-Control-Allow-Origin", "*");
            httpServletResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
            httpServletResponse.setHeader("Access-Control-Max-Age", "0");
            httpServletResponse.setHeader("Access-Control-Allow-Headers",
                    "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With,userId,token");
            httpServletResponse.setHeader("Access-Control-Allow-Credentials", "true");
            httpServletResponse.setHeader("XDomainRequestAllowed", "1");
        }

	}
	Stu stu  = (Stu) session.getAttribute("stu");
	WorkCommit workCommit = new WorkCommit();
	workCommit.setStu_id(stu.getId());
	//分页并查询
	PageHelper.startPage(currPage,8);
	List<WorkCommit> workCommits = workCommitMapper.findList(workCommit);
	System.out.println(workCommits);
	PageInfo pageInfo = new PageInfo<WorkCommit>(workCommits, 8);
       
	 //startPage后紧跟的这个查询就是分页查询
    model.addAttribute("pas", pageInfo.getList());
       //获得当前页
       model.addAttribute("currPage", pageInfo.getPageNum());
       //获得总页数
       model.addAttribute("totalPage", pageInfo.getPages());
	return "stu/workCommit/list";
}


@RequestMapping(value="/gotoAddWorkCommit")
public String gotoAddWorkCommit(Integer work_id,Model model){
	model.addAttribute("work_id", work_id);
	return "stu/workCommit/add";
}

/*
 * 上传
 */
@RequestMapping(value="/addWorkCommit", method = {RequestMethod.POST})
public String addWorkCommit(WorkCommit workCommit,BindingResult bindingResult,
		@RequestParam("upload") MultipartFile upload,HttpSession session,HttpServletRequest request) {
	
	SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	String formatStr =formatter.format(new Date());
	Integer work_id = workCommit.getWork_id();
	//查询截止时间
	Work work = workMapper.findById(work_id);
	String endTime =work.getEnd_time();
	
	int result = formatStr.compareTo(endTime);
	if(result>0) {//已经结束
		request.setAttribute("info", "作业已过期，提交失败！！！");
		return "stu/workCommit/fail";

       }  
       return null;  
}


/** 
    * 文件下载 
    * @param response 
    * @param str 
    */  
   private void downFile(HttpServletResponse response, String str) {  
       try {  
       	String FilePath = "d:/code/file/work_submit/download/";
       	
           String path = FilePath + str;  
           File file = new File(path);  
           if (file.exists()) {  
               InputStream ins = new FileInputStream(path);  
               BufferedInputStream bins = new BufferedInputStream(ins);// 放到缓冲流里面  
               OutputStream outs = response.getOutputStream();// 获取文件输出IO流  
               BufferedOutputStream bouts = new BufferedOutputStream(outs);  
               response.setContentType("application/x-download");// 设置response内容的类型  
               response.setHeader(  
                       "Content-disposition",  
                       "attachment;filename="  
                               + URLEncoder.encode(str, "UTF-8"));// 设置头部信息  
               int bytesRead = 0;  
               byte[] buffer = new byte[8192];  
               // 开始向网络传输文件流  
               while ((bytesRead = bins.read(buffer, 0, 8192)) != -1) {  
                   bouts.write(buffer, 0, bytesRead);  
               }  
               bouts.flush();// 这里一定要调用flush()方法  
               ins.close();  
               bins.close();  
               outs.close();  
               bouts.close();  
           } else {  
               response.sendRedirect("../error.jsp");  
           }  
       } catch (IOException e) {  
       }  
   }  


@RequestMapping(value="/workCommitDownLoad")
public String newGuideDownLoad(String work_local,HttpServletResponse response){
	
	File file = new File(work_local);
    System.out.println(work_local);

---

项目链接：
https://javayms.github.io?id=302023110609201eq
https://javayms.pages.dev?id=302023110609201eq