Java 实战项目之精美物流管理系统的实现流程

/**
 * 运输点管理控制层
 */
 
@RequestMapping("/admin/transport")
@Controller
public class TransportController {
 
    @Autowired
    private UserService userService;
    @Autowired
    private RoleService roleService;
    @Autowired
    private OperaterLogService operaterLogService;
    
    /**
     * 运输点列表页面
     * @param model
     * @param user
     * @param pageBean
     * @return
     */
    @RequestMapping(value="/list")
    public String list(Model model, User user, PageBean<User> pageBean){
        model.addAttribute("title", "运输点列表");
        model.addAttribute("username", user.getUsername());
        model.addAttribute("pageBean", userService.findList(pageBean,user.getUsername(), UserRoleTypeEnum.TRANSPORT));
        return "admin/transport/list";
    }
 
    /**
     * 新增运输点页面
     * @param model
     * @return
     */
    @RequestMapping(value="/add",method= RequestMethod.GET)
    public String add(Model model){
        model.addAttribute("roles", roleService.findAllByRoleType(UserRoleTypeEnum.TRANSPORT));
        return "admin/transport/add";
    }
 
    /**
     * 运输点添加表单提交处理
     * @param user
     * @return
     */
    @RequestMapping(value="/add",method= RequestMethod.POST)
    @ResponseBody
    public Result<Boolean> add(User user){
        //用统一验证实体方法验证是否合法
        CodeMsg validate = ValidateEntityUtil.validate(user);
        if(validate.getCode() != CodeMsg.SUCCESS.getCode()){
            return Result.error(validate);
        }
        if(user.getAddress() == null){
            return Result.error(CodeMsg.ADDRESS_ERROR);
        }
        if(user.getRole() == null || user.getRole().getId() == null){
            return Result.error(CodeMsg.TRANSPORT_USER_ROLE_EMPTY);
        }
        //判断运输点名是否存在
        if(userService.isExistUsername(user.getUsername(), 0L)){
            return Result.error(CodeMsg.TRANSPORT_USERNAME_EXIST);
        }
        user.setUserType(UserRoleTypeEnum.TRANSPORT);
        //到这说明一切符合条件，进行数据库新增
        if(userService.save(user) == null){
            return Result.error(CodeMsg.TRANSPORT_USE_ADD_ERROR);
        }
        operaterLogService.add("添加运输点，运输点名：" + user.getUsername());
        return Result.success(true);
    }
 
    /**
     * 运输点编辑页面
     * @param model
     * @return
     */
    @RequestMapping(value="/edit",method= RequestMethod.GET)
    public String edit(Model model, @RequestParam(name="id")Long id){
        model.addAttribute("roles", roleService.findAllByRoleType(UserRoleTypeEnum.TRANSPORT));
        model.addAttribute("user", userService.find(id));
        return "admin/transport/edit";
    }
 
    /**
     * 编辑运输点信息表单提交处理
     * @param user
     * @return
     */
    @RequestMapping(value="/edit",method= RequestMethod.POST)
    @ResponseBody
    public Result<Boolean> edit(User user){
        //用统一验证实体方法验证是否合法
        CodeMsg validate = ValidateEntityUtil.validate(user);
        if(validate.getCode() != CodeMsg.SUCCESS.getCode()){
            return Result.error(validate);
        }
        if(user.getAddress() == null){
            return Result.error(CodeMsg.ADDRESS_ERROR);
        }
        if(user.getRole() == null || user.getRole().getId() == null){
            return Result.error(CodeMsg.TRANSPORT_USER_ROLE_EMPTY);
        }
        if(user.getId() == null || user.getId().longValue() <= 0){
            return Result.error(CodeMsg.TRANSPORT_USE_NO_EXIST);
        }
        if(userService.isExistUsername(user.getUsername(), user.getId())){
            return Result.error(CodeMsg.TRANSPORT_USERNAME_EXIST);
        }
        //到这说明一切符合条件，进行数据库保存
        User findById = userService.find(user.getId());
        //讲提交的运输点信息指定字段复制到已存在的user对象中,该方法会覆盖新字段内容
        BeanUtils.copyProperties(user, findById, "id","createTime","updateTime","userType");
        if(userService.save(findById) == null){
            return Result.error(CodeMsg.TRANSPORT_USE_EDIT_ERROR);
        }
        operaterLogService.add("编辑运输点，运输点名：" + user.getUsername());
        return Result.success(true);
    }
 
    /**
     * 删除运输点
     * @param id
     * @return
     */
    @RequestMapping(value="/delete",method= RequestMethod.POST)
    @ResponseBody
    public Result<Boolean> delete(@RequestParam(name="id")Long id){
        try {
            userService.delete(id);
        } catch (Exception e) {
            return Result.error(CodeMsg.TRANSPORT_USE_DELETE_ERROR);
        }
        operaterLogService.add("删除运输点，运输点ID：" + id);
        return Result.success(true);
    }
    
 
 
}