判断mqtt客户端是否在线

iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/mqtt/MqttClientDto.java

@@ -0,0 +1,26 @@
+package com.njcn.access.pojo.dto.mqtt;
+
+import com.alibaba.nacos.shaded.com.google.gson.annotations.SerializedName;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 类的介绍：
+ *
+ * @author xuyang
+ * @version 1.0.0
+ * @createTime 2023/7/17 9:09
+ */
+@Data
+public class MqttClientDto implements Serializable {
+
+    @SerializedName("clientid")
+    private String clientId;
+
+    @SerializedName("username")
+    private String userName;
+
+    private boolean connected;
+
+}