Java Code Examples for cn.hutool.core.util.ObjectUtil#isNotNull()

/**
 * 获取列
 *
 * @param fieldList 字段列表
 * @return 列信息列表
 */
private List<String> getColumns(List<Field> fieldList) {
	// 构造列
	List<String> columnList = CollUtil.newArrayList();
	for (Field field : fieldList) {
		Column columnAnnotation = field.getAnnotation(Column.class);
		String columnName;
		if (ObjectUtil.isNotNull(columnAnnotation)) {
			columnName = columnAnnotation.name();
		} else {
			columnName = field.getName();
		}
		columnList.add(StrUtil.format("`{}`", columnName));
	}
	return columnList;
}
 

@Override
protected boolean preHandle(ServletRequest request, ServletResponse response){
    try {
        Subject subject = getSubject(request, response);
        String redirectUrl = getRedirectUrl(request, response, subject);
        SysUser user = ShiroUtils.getSysUser();
        if (ObjectUtil.isNotNull(user)) {
            String loginName = user.getLoginName();
            // 记录用户退出日志
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(loginName, Constants.LOGOUT, MessageUtils.message("user.logout.success")));
            // 清理缓存
            cache.remove(loginName);
        }
        // 退出登录
        subject.logout();
        issueRedirect(request, response, redirectUrl);
    } catch (Exception e) {
        log.error("Encountered session exception during logout.  This can generally safely be ignored." , e);
    }
    return false;
}
 

@ApiOperation("新增用户")
@ApiImplicitParam(name = "user", value = "新增用户信息", dataType = "SysUser")
@RequiresPermissions("system:user:add")
@Log(title = "用户管理", businessType = BusinessType.INSERT)
@PostMapping("/add")
@Transactional(rollbackFor = Exception.class)
@ResponseBody
public AjaxResult addSave(SysUser user) {
    if (ObjectUtil.isNotNull(user.getUserId()) && SysUser.isAdmin(user.getUserId())) {
        return error("不允许修改超级管理员用户");
    }
    if (UserConstants.USER_NAME_NOT_UNIQUE.equals(userService.checkLoginNameUnique(user.getLoginName()))){
        return error("保存用户'" + user.getLoginName() + "'失败，账号已存在");
    }
    user.setSalt(ShiroUtils.randomSalt());
    user.setPassword(passwordService.encryptPassword(user.getLoginName(), user.getPassword(), user.getSalt()));
    user.setCreateBy(ShiroUtils.getLoginName());
    return toAjax(userService.insertUser(user));
}
 

/**
 * 获取列
 *
 * @param fieldList 字段列表
 * @return 列信息列表
 */
private List<String> getColumns(List<Field> fieldList) {
	// 构造列
	List<String> columnList = CollUtil.newArrayList();
	for (Field field : fieldList) {
		Column columnAnnotation = field.getAnnotation(Column.class);
		String columnName;
		if (ObjectUtil.isNotNull(columnAnnotation)) {
			columnName = columnAnnotation.name();
		} else {
			columnName = field.getName();
		}
		columnList.add(StrUtil.format("`{}`", columnName));
	}
	return columnList;
}
 

@Log("发布")
@ApiOperation(value = "发布")
@PutMapping(value = "/yxStoreSeckill")
@PreAuthorize("@el.check('admin','YXSTORESECKILL_ALL','YXSTORESECKILL_EDIT')")
public ResponseEntity update(@Validated @RequestBody YxStoreSeckill resources){
    if(ObjectUtil.isNotNull(resources.getStartTimeDate())){
        resources.setStartTime(OrderUtil.
                dateToTimestamp(resources.getStartTimeDate()));
    }
    if(ObjectUtil.isNotNull(resources.getEndTimeDate())){
        resources.setStopTime(OrderUtil.
                dateToTimestamp(resources.getEndTimeDate()));
    }
    if(ObjectUtil.isNull(resources.getId())){
        resources.setAddTime(String.valueOf(OrderUtil.getSecondTimestampTwo()));
        return new ResponseEntity(yxStoreSeckillService.save(resources),HttpStatus.CREATED);
    }else{
        yxStoreSeckillService.saveOrUpdate(resources);
        return new ResponseEntity(HttpStatus.NO_CONTENT);
    }
}
 

@Override
public List<MenuDto> queryAll(MenuQueryCriteria criteria, Boolean isQuery) throws Exception {
    Sort sort = new Sort(Sort.Direction.ASC, "menuSort");
    if(isQuery){
        criteria.setPidIsNull(true);
        List<Field> fields = QueryHelp.getAllFields(criteria.getClass(), new ArrayList<>());
        for (Field field : fields) {
            //设置对象的访问权限，保证对private的属性的访问
            field.setAccessible(true);
            Object val = field.get(criteria);
            if("pidIsNull".equals(field.getName())){
                continue;
            }
            if (ObjectUtil.isNotNull(val)) {
                criteria.setPidIsNull(null);
                break;
            }
        }
    }
    return menuMapper.toDto(menuRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),sort));
}
 

/**
 * 收藏判断
 * @param goodsId
 * @param userId
 * @return
 */
@Override
public boolean isCollect(int goodsId, int userId) {
    QueryWrapper<StoreGoodsCollect> wrapper = new QueryWrapper<>();
    wrapper.eq("goods_id",goodsId).eq("user_id",userId);
    StoreGoodsCollect goodsCollect = storeGoodsCollectMapper.selectOne(wrapper);
    if(ObjectUtil.isNotNull(goodsCollect)) return true;
    return false;
}
 

@ApiOperation("修改用户")
@ApiImplicitParam(name = "user", value = "修改用户信息", dataType = "SysUser")
@RequiresPermissions("system:user:edit")
@Log(title = "用户管理", businessType = BusinessType.UPDATE)
@PostMapping("/edit")
@Transactional(rollbackFor = Exception.class)
@ResponseBody
public AjaxResult editSave(SysUser user) {
    if (ObjectUtil.isNotNull(user.getUserId()) && SysUser.isAdmin(user.getUserId())) {
        return error("不允许修改超级管理员用户");
    }
    user.setUpdateBy(ShiroUtils.getLoginName());
    return toAjax(userService.updateUser(user));
}
 

/**
 * 校验email是否唯一
 *
 * @param user 用户信息
 * @return 校验结果
 */
@Override
public String checkEmailUnique(SysUser user) {
    SysUser info = userMapper.checkEmailUnique(user.getEmail());
    if (ObjectUtil.isNotNull(info) && !info.getUserId().equals(user.getUserId())) {
        return UserConstants.USER_EMAIL_NOT_UNIQUE;
    }
    return UserConstants.USER_EMAIL_UNIQUE;
}
 

/**
 * 跳转到 登录页
 *
 * @param redirect 是否是跳转回来的
 */
@GetMapping("/login")
public ModelAndView login(Boolean redirect) {
    ModelAndView mv = new ModelAndView();

    if (ObjectUtil.isNotNull(redirect) && ObjectUtil.equal(true, redirect)) {
        mv.addObject("message", "请先登录！");
    }
    mv.setViewName("login");
    return mv;
}
 

/**
 * 添加单元格
 */
private void addCell(Excel attr, Row row, T vo, Field field, int column, CellStyle cs){
    Cell cell;
    try{
        // 设置行高
        row.setHeight((short) (attr.height() * 20));
        // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
        if (attr.isExport()){
            // 创建cell
            cell = row.createCell(column);
            cell.setCellStyle(cs);

            // 用于读取对象中的属性
            Object value = getTargetValue(vo, field, attr);
            String dateFormat = attr.dateFormat();
            String readConverterExp = attr.readConverterExp();
            if (StrUtil.isNotEmpty(dateFormat) && ObjectUtil.isNotNull(value)){
                cell.setCellValue(DateUtil.format(((Date) value), dateFormat));
            }else if (StrUtil.isNotEmpty(readConverterExp) && ObjectUtil.isNotNull(value)){
                cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp));
            }else{
                cell.setCellType(CellType.STRING);
                // 如果数据存在就填入,不存在填入空格.
                cell.setCellValue(ObjectUtil.isNull(value) ? attr.defaultValue() : value + attr.suffix());
            }
        }
    }catch (Exception e){
        log.error("导出Excel失败%s", e);
    }
}
 

@Override
public SysUser findSecurityUserByUser(SysUser sysUser) {
    LambdaQueryWrapper<SysUser> select = Wrappers.<SysUser>lambdaQuery()
            .select(SysUser::getUserId, SysUser::getUsername, SysUser::getPassword);
    if (StrUtil.isNotEmpty(sysUser.getUsername())) {
        select.eq(SysUser::getUsername, sysUser.getUsername());
    } else if (StrUtil.isNotEmpty(sysUser.getPhone())) {
        select.eq(SysUser::getPhone, sysUser.getPhone());
    } else if (ObjectUtil.isNotNull(sysUser.getUserId()) && sysUser.getUserId() != 0) {
        select.eq(SysUser::getUserId, sysUser.getUserId());
    }
    return baseMapper.selectOne(select);
}
 

private Session createSession(SysUserOnline userOnline){
    OnlineSession onlineSession = new OnlineSession();
    if (ObjectUtil.isNotNull(userOnline)){
        onlineSession.setId(userOnline.getSessionId());
        onlineSession.setHost(userOnline.getIpaddr());
        onlineSession.setBrowser(userOnline.getBrowser());
        onlineSession.setOs(userOnline.getOs());
        onlineSession.setDeptName(userOnline.getDeptName());
        onlineSession.setLoginName(userOnline.getLoginName());
        onlineSession.setStartTimestamp(userOnline.getStartTimestamp());
        onlineSession.setLastAccessTime(userOnline.getLastAccessTime());
        onlineSession.setTimeout(userOnline.getExpireTime());
    }
    return onlineSession;
}
 

/**
 * 根据角色ID查询菜单
 *
 * @param role 角色对象
 * @param userId 用户ID
 * @return 菜单列表
 */
@Override
public List<Ztree> roleMenuTreeData(SysRole role, Long userId) {
    Long roleId = role.getRoleId();
    List<Ztree> ztrees;
    List<SysMenu> menuList = selectMenuAll(userId);
    if (ObjectUtil.isNotNull(roleId)) {
        List<String> roleMenuList = menuMapper.selectMenuTree(roleId);
        ztrees = initZtree(menuList, roleMenuList, true);
    } else {
        ztrees = initZtree(menuList, null, true);
    }
    return ztrees;
}
 

/**
 * 修改
 */
@GetMapping("/edit/{deptId}")
public String edit(@PathVariable("deptId") Long deptId, ModelMap mmap) {
    SysDept dept = deptService.selectDeptById(deptId);
    if (ObjectUtil.isNotNull(dept) && 100L == deptId) {
        dept.setParentName("无");
    }
    mmap.put("dept", dept);
    return prefix + "/edit";
}
 

/**
 * 解析出mybatis plus分页查询参数
 */
public Page getPlusPagingQueryEntity() {
    Page page = new Page();
    //如果无current，默认返回1000条数据
    page.setCurrent(this.getPageNo());
    page.setSize(this.getPageSize());
    if (ObjectUtil.isNotNull(this.get("ifCount"))) {
        page.setSearchCount(BooleanUtil.toBoolean(this.getString("ifCount")));
    } else {
        //默认给true
        page.setSearchCount(true);
    }
    return page;
}
 

@Override
public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
    ResponseResult responseResultAnn = (ResponseResult) RequestContextHolderUtil.getRequest().getAttribute(ResponseResultInterceptor.RESPONSE_RESULT);
    return ObjectUtil.isNotNull(responseResultAnn);
}
 

@Log("修改数据配置")
@ApiOperation(value = "修改数据配置")
@PutMapping(value = "/yxSystemGroupData")
@CacheEvict(cacheNames = ShopConstants.YSHOP_REDIS_INDEX_KEY,allEntries = true)
@PreAuthorize("@el.check('admin','YXSYSTEMGROUPDATA_ALL','YXSYSTEMGROUPDATA_EDIT')")
public ResponseEntity update(@RequestBody String jsonStr){

    JSONObject jsonObject = JSON.parseObject(jsonStr);
    if(ObjectUtil.isNotNull(jsonObject.get("name"))){
        if(StrUtil.isEmpty(jsonObject.get("name").toString())){
            throw new BadRequestException("名称必须填写");
        }
    }

    if(ObjectUtil.isNotNull(jsonObject.get("title"))){
        if(StrUtil.isEmpty(jsonObject.get("title").toString())){
            throw new BadRequestException("标题必须填写");
        }
    }

    if(ObjectUtil.isNotNull(jsonObject.get("pic"))){
        if(StrUtil.isEmpty(jsonObject.get("pic").toString())){
            throw new BadRequestException("图片必须上传");
        }
    }

    YxSystemGroupData yxSystemGroupData = new YxSystemGroupData();

    yxSystemGroupData.setGroupName(jsonObject.get("groupName").toString());
    jsonObject.remove("groupName");
    yxSystemGroupData.setValue(jsonObject.toJSONString());
    if(jsonObject.getInteger("status") == null){
        yxSystemGroupData.setStatus(1);
    }else{
        yxSystemGroupData.setStatus(jsonObject.getInteger("status"));
    }

    if(jsonObject.getInteger("sort") == null){
        yxSystemGroupData.setSort(0);
    }else{
        yxSystemGroupData.setSort(jsonObject.getInteger("sort"));
    }


    yxSystemGroupData.setId(Integer.valueOf(jsonObject.get("id").toString()));
    yxSystemGroupDataService.saveOrUpdate(yxSystemGroupData);
    return new ResponseEntity(HttpStatus.NO_CONTENT);
}
 

/**
 * 调用统一下单接口，并组装生成支付所需参数对象.
 *
 * @param request 统一下单请求参数
 * @param <T>     请使用{@link com.github.binarywang.wxpay.bean.order}包下的类
 * @return 返回 {@link com.github.binarywang.wxpay.bean.order}包下的类对象
 */
@PostMapping(value = "/shop/pay-do-pay")
@ApiOperation(value = "开始支付",notes = "开始支付")
public R doPay(@Validated @RequestBody String jsonStr){
    JSONObject jsonObject = JSON.parseObject(jsonStr);
    String orderNo = jsonObject.get("order_no").toString();
    //1-余额支付 2-微信支付
    int payType = 1;

    if(StrUtil.isEmpty(orderNo)){
        return R.error(4000,"订单号缺失");
    }
    if(ObjectUtil.isNotNull(jsonObject.get("pay_type"))){
        payType = Integer.valueOf(jsonObject.get("pay_type").toString());
    }

    int userId = userOperator.getUser().getId();
    StoreOrder storeOrder = orderService.orderInfo(orderNo,userId);
    if(ObjectUtil.isNull(storeOrder)){
        return R.error(4000,"订单不存在");
    }


    if(payType == 1){
        orderService.payYue(storeOrder);
        return R.success("余额支付成功");
    }else{
        //判断库存
        QueryWrapper<StoreOrderGoods> wrapperGoods = new QueryWrapper<>();
        wrapperGoods.eq("order_id",storeOrder.getOrderId());
        List<StoreOrderGoods> orderGoodsList = storeOrderGoodsMapper
                .selectList(wrapperGoods);
        for (StoreOrderGoods storeGood : orderGoodsList) {
            int storeCount = orderService.checkStore(storeGood.getGoodsId(),storeGood.getSpecKey());
            if(storeCount < storeGood.getGoodsNum()){
                return R.error(4000,"库存不足");
            }
        }

        WxPayUnifiedOrderRequest orderRequest = new WxPayUnifiedOrderRequest();
        StoreMember member = memberService.getById(userId);
        orderRequest.setBody("商品购买");
        orderRequest.setOutTradeNo(orderNo);
        BigDecimal bigDecimal = new BigDecimal(100);
        orderRequest.setTotalFee(bigDecimal.multiply(storeOrder.getOrderAmount()).intValue());//元转成分
        orderRequest.setOpenid(member.getOpenid());
        orderRequest.setSpbillCreateIp("127.0.0.1");
        orderRequest.setNotifyUrl("https://app2.dayouqiantu.cn/shop/notify");
        orderRequest.setTradeType("JSAPI");
        try {
            WxPayMpOrderResult orderResult = wxPayService.createOrder(orderRequest);
            return R.success(orderResult);
        } catch (WxPayException e) {
            return R.error(4000,e.getMessage());
        }

    }



}
 

public static void main(String[] args) {
    SmsResponse smsResponse = AliYunSmsUtils.sendSms("17521296869", "prex", "登录");
    if (ObjectUtil.isNotNull(smsResponse)) {
        System.out.println(smsResponse);
    }
}