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• ClientIdGen.java

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com.iteaj.iot.client.mqtt.ClientIdGen Maven / Gradle / Ivy

package com.iteaj.iot.client.mqtt;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.RandomUtil;

import java.util.Date;

public class ClientIdGen {

    private static final String BASIC_CHAR = "iot0123456789eaj";

    public synchronized static String genClientId() {
        return DateUtil.format(new Date(), "yyyyMMddHHmmssSS") + "_" + RandomUtil.randomString(BASIC_CHAR, 6);
    }
}