基于Java的车辆故障管理系统

系统分两个角色，分别为管理员和用户
用户 
登录 注册
个人信息 修改个人信息 修改密码
车辆管理 添加、查询、删除车辆
故障报修 对车辆进行报修
历史记录 可以查看报修的车辆状态、查询、删除
系统管理员 
登录 注册
个人中心 修改个人信息 修改密码
用户管理 可以增加用户、修改、删除、查询
零件管理 对零件进行添加、修改、删除、查询
技工管理 可以增加技工、修改、删除、查询
故障管理 查看未处理的故障车辆、已完成处理的故障车辆，删除，查询
维修管理 查看正在处理的故障车辆，删除，查询

/**
   * 查看所有信息(分页)
   */
    public String findAllByPage(HttpServletRequest req, HttpServletResponse resp) {
      int pageCode=Integer.parseInt(req.getParameter("pageCode"));
      int pageSize=5;
      String statuss=req.getParameter("statuss");
      req.setAttribute("statuss", statuss);
      Map<String, String[]> map = req.getParameterMap();
    Repair repair =new Repair();
      try {
        HttpSession session = req.getSession();
      if (session.getAttribute("type") == null) {
        req.setAttribute("error", "登录信息失效，请重新登录!");
              return "/index.jsp";
      }
        String type = (String)session.getAttribute("type");
        List<String> ids = new ArrayList<>();
      if(type.equals("02")){
        User current = (User)session.getAttribute("currentUsers");
        List<Car> carList = carService.findByUid(String.valueOf(current.getId()));
        if(carList.size()>0){
          for(int i=0;i<carList.size();i++){
            ids.add(String.valueOf(carList.get(i).getId()));
          }
        }
        req.setAttribute("carList", carList);
      }else{
        List<Car> carList = carService.findAll();
        req.setAttribute("carList", carList);
        if(carList.size()>0){
          for(int i=0;i<carList.size();i++){
            ids.add(String.valueOf(carList.get(i).getId()));
          }
        }
        List<Workers> workersList = workersService.findAll();
        req.setAttribute("workersList", workersList);
        List<Parts> partsList = partsService.findAll();
        req.setAttribute("partsList", partsList);
      }
        BeanUtils.populate(repair, map);
        PageBean<Repair> pageBean = repairService.findAllByPage(pageCode, pageSize, repair,ids,statuss);
      req.setAttribute("pageBean", pageBean);
    } catch (Exception e) {
      req.setAttribute("msg", "服务器维护中。。。");
    }
      return "/jsp/Repair.jsp";
    }
  /**
   * 添加操作
   */
  public String add(HttpServletRequest req, HttpServletResponse resp) {
    Map<String, String[]> map = req.getParameterMap();
    String statuss=req.getParameter("statuss");
    req.setAttribute("statuss", statuss);
    Repair repair=new Repair();
    try {
      BeanUtils.populate(repair, map);
      repairService.add(repair);
      req.setAttribute("msg", "添加成功！！！");
    } catch (Exception e) {
      e.printStackTrace();
      req.setAttribute("msg", "添加失败！！！");
    }
    return findAll(req,resp);
  }
  /**
   * 修改信息
   */
  public String update(HttpServletRequest req, HttpServletResponse resp) {
    Map<String, String[]> map=req.getParameterMap();
    String statuss=req.getParameter("statuss");
    req.setAttribute("statuss", statuss);
    Repair repair=new Repair();
    try {
      BeanUtils.populate(repair, map);
      repairService.update(repair);
      req.setAttribute("msg", "更新信息成功！！！");
    } catch (Exception e) {
      req.setAttribute("msg", "更新信息失败！！！");
    }
    return findAll(req,resp);
  }
  /**
   * 查询第一页信息
   */
  public String findAll(HttpServletRequest req, HttpServletResponse resp) {
    int pageCode=1;
      int pageSize=5;
      String statuss=req.getParameter("statuss");
    req.setAttribute("statuss", statuss);
    try {
        Repair repair=new Repair();
        HttpSession session = req.getSession();
      if (session.getAttribute("type") == null) {
        req.setAttribute("error", "登录信息失效，请重新登录!");
              return "/index.jsp";
      }
        String type = (String)session.getAttribute("type");
        List<String> ids = new ArrayList<>();
      if(type.equals("02")){
        User current = (User)session.getAttribute("currentUsers");
        List<Car> carList = carService.findByUid(String.valueOf(current.getId()));
        if(carList.size()>0){
          for(int i=0;i<carList.size();i++){
            ids.add(String.valueOf(carList.get(i).getId()));
          }
        }
        req.setAttribute("carList", carList);
      }else{
        List<Car> carList = carService.findAll();
        req.setAttribute("carList", carList);
        if(carList.size()>0){
          for(int i=0;i<carList.size();i++){
            ids.add(String.valueOf(carList.get(i).getId()));
          }
        }
        List<Workers> workersList = workersService.findAll();
        req.setAttribute("workersList", workersList);
      }
      PageBean<Repair> pageBean = repairService.findAllByPage(pageCode, pageSize ,repair,ids,statuss);
      req.setAttribute("pageBean", pageBean);
      List<Car> carList = carService.findAll();
      req.setAttribute("carList", carList);
    } catch (Exception e) {
      req.setAttribute("msg", "服务器维护中。。。");
    }
    return "/jsp/Repair.jsp";
  }