59207196
 徐泉
中控指纹机，考勤看板代码提交
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package com.sincere.att.mqtt;
public class MqtUtils {
private static MqtUtils mqtUtils;
private MqttManager mqttManager = null;
public static MqtUtils getInstance() {
if (null == mqtUtils) {
synchronized (MqtUtils.class) {
if (null == mqtUtils) mqtUtils = new MqtUtils();
}
}
return mqtUtils;
}
public MqtUtils() {
mqttManager = new MqttManager();
mqttManager.init();
}
public void sendMsg(String deviceId, String content) {
mqttManager.sendMq(deviceId, content);
}
}
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