表单验证

@Data
public class OrderForm {

    /**
     * 买家姓名
     */
    @NotEmpty(message = "姓名必填")
    private String name;

    /**
     * 买家手机号
     */
    @NotEmpty(message = "手机号必填")
    private String phone;

    /**
     * 买家地址
     */
    @NotEmpty(message = "地址必填")
    private String address;

    /**
     * 买家微信openid
     */
    @NotEmpty(message = "openid必填")
    private String openid;

    /**
     * 购物车
     */
    @NotEmpty(message = "购物车不能为空")
    private String items;
}

    //创建订单
    @PostMapping("/create")
    public ResultVO<Map<String, String>> create(@Valid OrderForm orderForm,
                                                BindingResult bindingResult) {
        if (bindingResult.hasErrors()) {
            log.error("【创建订单】参数不正确, orderForm={}", orderForm);
            throw new SellException(ResultEnum.PARAM_ERROR.getCode(),
                    bindingResult.getFieldError().getDefaultMessage());
        }
　　}