package com.xy.dto; import io.swagger.annotations.ApiModelProperty; import lombok.Data; import lombok.experimental.Accessors; import javax.validation.constraints.NotBlank; public class DeviceMqttDto { @Data @Accessors(chain = true) public static class RequestParams { @NotBlank(message = "topic不能为空") @ApiModelProperty(value = "topic", required = true) private String topic; @NotBlank(message = "data不能为空") @ApiModelProperty(value = "消息内容", required = true) private String data; } }