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基于javaweb的JSP+Servlet相册管理系统文件图片管理(java+jsp+servlet+mysql)

更新于

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

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基于javaweb的JSP+Servlet相册管理系统文件图片管理(java+jsp+servlet+mysql)

管理员：
admin 123456

用户：
user 123456

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private void checkPass(HttpServletRequest request, HttpServletResponse response) throws IOException {
    User currentUser = UserUtil.currentUser(request);
    if (currentUser != null) {
        String oldpassword = request.getParameter("oldpassword");
        if (currentUser.getPassword().equals(MD5.Encrypt(oldpassword))) {
            response.getWriter().write("true");
        } else {
            response.getWriter().write("false");
        }
    } else {
        response.getWriter().write("false");
    }

}

private void checkUserName(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String username = request.getParameter("username");
    User user = new User();
    user.setUsername(username);
    List<User> findAll = userService.findAll(user);
    if (findAll != null && findAll.size() > 0) {
        //用户名存在
        System.out.println("用户名存在了");
        response.getWriter().write("false");
    } else {
        System.out.println("用户名不存在");
        response.getWriter().write("true");
    }

}

private void logout(HttpServletRequest request, HttpServletResponse response) throws IOException {

    request.getSession().invalidate();

}

private void login(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String username = request.getParameter("username");
    String password = request.getParameter("password");
    User login = userService.login(username, MD5.Encrypt(password));
    if (login != null) {
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      } else if ("list".equals(method)) {
          list(request, response);
      } else if ("form".equals(method)) {
          form(request, response);
      } else if ("detail".equals(method)) {
          detail(request, response);
      } else if ("picShow".equals(method)) {
          picShow(request, response);
      } else if ("turnBack".equals(method)) {
          turnBack(request, response);
      } else if ("del".equals(method)) {
          del(request, response);
      } else if ("back".equals(method)) {
          back(request, response);
      }

  }

  //添加保存
  protected void save(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
      PictureInfo pictureInfo = new PictureInfo();
      //这是上传到tomcat下，文件容易丢失
/* //得到上传文件的保存目录，将上传的文件存放于WEB-INF目录下，不允许外界直接访问，保证上传文件的安全
      String savePath = this.getServletContext().getRealPath("/upload");
      File file = new File(savePath);
      //判断上传文件的保存目录是否存在
      if (!file.exists() && !file.isDirectory()) {
          System.out.println(savePath+"目录不存在，需要创建");
          //创建目录
          file.mkdir();
      }*/
      //上传到服务器硬盘上，保证重启tomcat不会丢失文件
      //获取上传文件的路径
      String savePath = PropertiesUtil.getValue("fileUpload");
      File file = new File(savePath + "/");
      if (!file.exists() && !file.isDirectory()) {
          System.out.println(savePath + "目录不存在，需要创建");
          //创建目录
          file.mkdirs();
      }
      //消息提示
      String msg = "";
      try {
          //使用Apache文件上传组件处理文件上传步骤：
          //1、创建一个DiskFileItemFactory工厂
          DiskFileItemFactory factory = new DiskFileItemFactory();
          //2、创建一个文件上传解析器
          ServletFileUpload upload = new ServletFileUpload(factory);
          //解决上传文件名的中文乱码
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    str = "\\upload" + "\\" + filename;
}

//解决普通输入项的数据的中文乱码问题
if ("id".endsWith(name)) {
    if (str != null && str != "") {
        pictureInfo.setId(str);
    }
}

if ("photoAlbumId".endsWith(name)) {
    pictureInfo.setPhotoAlbumId(str);

}

if ("picturePath".endsWith(name)) {
    pictureInfo.setPicturePath(str);

}

if ("uploadTime".endsWith(name)) {
    pictureInfo.setUploadTime(str);

}

if ("fileSize".endsWith(name)) {

}

if ("nameSuffix".endsWith(name)) {
    pictureInfo.setNameSuffix(str);

}

if ("picStatue".endsWith(name)) {
    pictureInfo.setPicStatue(str);

}

if ("backTimeLimit".endsWith(name)) {
    pictureInfo.setBackTimeLimit(Timestamp.valueOf(str));

}
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protected void save(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	PhotoAlbum photoAlbum = new PhotoAlbum();
	 //这是上传到tomcat下，文件容易丢失
	/* //得到上传文件的保存目录，将上传的文件存放于WEB-INF目录下，不允许外界直接访问，保证上传文件的安全
       String savePath = this.getServletContext().getRealPath("/upload");
       File file = new File(savePath);
       //判断上传文件的保存目录是否存在
       if (!file.exists() && !file.isDirectory()) {
           System.out.println(savePath+"目录不存在，需要创建");
           //创建目录
           file.mkdir();
       }*/
       //上传到服务器硬盘上，保证重启tomcat不会丢失文件
       //获取上传文件的路径
       String savePath = PropertiesUtil.getValue("fileUpload");
       File file = new File(savePath+"/");
       if (!file.exists() && !file.isDirectory()) {
           System.out.println(savePath+"目录不存在，需要创建");
           //创建目录
           file.mkdirs();
       }
       //消息提示
       String msg = "";
       try{
           //使用Apache文件上传组件处理文件上传步骤：
           //1、创建一个DiskFileItemFactory工厂
           DiskFileItemFactory factory = new DiskFileItemFactory();
           //2、创建一个文件上传解析器
           ServletFileUpload upload = new ServletFileUpload(factory);
            //解决上传文件名的中文乱码
           upload.setHeaderEncoding("UTF-8"); 
           //3、判断提交上来的数据是否是上传表单的数据
           if(!ServletFileUpload.isMultipartContent(request)){
               //按照传统方式获取数据
               return;
           }
           //4、使用ServletFileUpload解析器解析上传数据，解析结果返回的是一个List<FileItem>集合，每一个FileItem对应一个Form表单的输入项
           List<FileItem> list = upload.parseRequest(request);
           for(FileItem item : list){
               //如果fileitem中封装的是普通输入项的数据
               String str = "";
           	String name = item.getFieldName();
               if(item.isFormField()){
               	str = item.getString("UTF-8");
               }else{//如果fileitem中封装的是上传文件
                   //得到上传的文件名称，
                   String filename = item.getName();
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    PictureInfo pictureInfo = new PictureInfo();
    if (id != null && id != "") {
        pictureInfo = pictureInfoService.getById(id);
    } else {
        String photoAlbumId = request.getParameter("photoAlbumId");
        pictureInfo.setPhotoAlbumId(photoAlbumId);
    }
    request.setAttribute("pictureInfo", pictureInfo);
    request.getRequestDispatcher("/views/system/pictureInfoForm.jsp").forward(request, response);
}

//form跳转页面
private void picShow(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    System.out.println("---相册详情查询---");
    PictureInfo pictureInfo = new PictureInfo();
    //分页有关
    Page<PictureInfo> page = new Page<PictureInfo>();
    //设置查询页
    String pageNoStr = request.getParameter("pageNo");
    if (pageNoStr != null && pageNoStr != "") {
        page.setPageNo(Integer.parseInt(pageNoStr));
    }
    //设置查询条件
    String photoAlbumId = request.getParameter("photoAlbumId");
    if (photoAlbumId != null && photoAlbumId != "") {
        pictureInfo.setPhotoAlbumId(photoAlbumId);
        request.setAttribute("photoAlbumId", photoAlbumId);
    }
    pictureInfo.setPicStatue("0");//
    String backTimeLimit = request.getParameter("backTimeLimit");
    if (backTimeLimit != null && backTimeLimit != "") {
        request.setAttribute("backTimeLimit", backTimeLimit);
    }

    //判断提示信息
    Object msg = request.getSession().getAttribute("msg");
    if (msg != null) {
        request.setAttribute("msg", msg.toString());
        request.getSession().removeAttribute("msg");
    }

    page.setPageSize(200);

    page = pictureInfoService.page(pictureInfo, page);
    request.setAttribute("page", page);

    String currentNum = request.getParameter("currentNum");
    request.setAttribute("currentNum", Integer.parseInt(currentNum));

    request.getRequestDispatcher("/views/system/pictureInfoShow.jsp").forward(request, response);
}

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    //设置查询条件
    String photoAlbumId = request.getParameter("photoAlbumId");
    if (photoAlbumId != null && photoAlbumId != "") {
        pictureInfo.setPhotoAlbumId(photoAlbumId);
        request.setAttribute("photoAlbumId", photoAlbumId);
    }
    pictureInfo.setPicStatue("1");//
    String backTimeLimit = request.getParameter("backTimeLimit");
    if (backTimeLimit != null && backTimeLimit != "") {
        request.setAttribute("backTimeLimit", backTimeLimit);
    }

    //判断提示信息
    Object msg = request.getSession().getAttribute("msg");
    if (msg != null) {
        request.setAttribute("msg", msg.toString());
        request.getSession().removeAttribute("msg");
    }

    page.setPageSize(200);

    page = pictureInfoService.page(pictureInfo, page);
    request.setAttribute("page", page);
    request.getRequestDispatcher("/views/system/pictureInfoBack.jsp").forward(request, response);
}

//form跳转页面
private void form(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String id = request.getParameter("id");
    PictureInfo pictureInfo = new PictureInfo();
    if (id != null && id != "") {
        pictureInfo = pictureInfoService.getById(id);
    } else {
        String photoAlbumId = request.getParameter("photoAlbumId");
        pictureInfo.setPhotoAlbumId(photoAlbumId);
    }
    request.setAttribute("pictureInfo", pictureInfo);
    request.getRequestDispatcher("/views/system/pictureInfoForm.jsp").forward(request, response);
}

//form跳转页面
private void picShow(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    System.out.println("---相册详情查询---");
    PictureInfo pictureInfo = new PictureInfo();
    //分页有关
    Page<PictureInfo> page = new Page<PictureInfo>();
    //设置查询页

项目链接：
https://javayms.github.io?id=211823320209201db
https://javayms.pages.dev?id=211823320209201db