From ba2e6c5fa2e21f535da27f29e54da2d6c7eb9aaa Mon Sep 17 00:00:00 2001
From: xuhy <3313886187@qq.com>
Date: 星期二, 15 七月 2025 10:47:14 +0800
Subject: [PATCH] 硬件数据推送
---
ruoyi-service/ruoyi-jianguan/src/main/java/com/ruoyi/jianguan/mqtt/util/MqttPushUtil.java | 30 ++++++++++++++++++++++++++++--
1 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/ruoyi-service/ruoyi-jianguan/src/main/java/com/ruoyi/jianguan/mqtt/util/MqttPushUtil.java b/ruoyi-service/ruoyi-jianguan/src/main/java/com/ruoyi/jianguan/mqtt/util/MqttPushUtil.java
index 6a485d5..a76477a 100644
--- a/ruoyi-service/ruoyi-jianguan/src/main/java/com/ruoyi/jianguan/mqtt/util/MqttPushUtil.java
+++ b/ruoyi-service/ruoyi-jianguan/src/main/java/com/ruoyi/jianguan/mqtt/util/MqttPushUtil.java
@@ -73,13 +73,29 @@
// 设置超时时间 单位为秒
options.setConnectionTimeout(TIME_OUT);///默认：30
// 设置是否清空session,这里如果设置为false表示服务器会保留客户端的连接记录，设置为true表示每次连接到服务器都以新的身份连接
- options.setCleanSession(false);//默认：true
+ options.setCleanSession(true);//默认：true
// 设置断开后重新连接(设置为true时将启用自动重新连接)
options.setAutomaticReconnect(true);//默认：false
// 设置会话心跳时间 单位为秒 服务器会每隔1.5*20秒的时间向客户端发送个消息判断客户端是否在线，但这个方法并没有重连的机制
options.setKeepAliveInterval(KEEP_ALIVE);//默认：60
// 设置回调
- mqttClient.setCallback(new PushCallback());
+ mqttClient.setCallback(new MqttCallback() {
+ @Override
+ public void connectionLost(Throwable cause) {
+ System.out.println("Connection lost, reconnecting...");
+ reconnect();
+ }
+
+ @Override
+ public void messageArrived(String topic, MqttMessage message) throws Exception {
+ System.out.println("Message arrived: " + new String(message.getPayload()));
+ }
+
+ @Override
+ public void deliveryComplete(IMqttDeliveryToken token) {
+ System.out.println("Delivery complete");
+ }
+ });
mqttClient.connect(options);
} catch (Exception e) {
e.printStackTrace();
@@ -121,6 +137,16 @@
mqttClient.connect(options);
}
+ public void reconnect() {
+ while (!mqttClient.isConnected()) {
+ try {
+ mqttClient.connect();
+ } catch (MqttException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
/**
* 发布，默认qos为0，非持久化
*/
--
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