给你 2 万条数据，怎么快速导入到 MySQL？

private static final Logger LOGGER = LoggerFactory.getLogger(IdWorkerUtils.class);
/**
 * 工作机器ID(0~31)
 */
private long workerId;
/**
 * 数据中心ID(0~31)
 */
private long datacenterId;
/**
 * 毫秒内序列(0~4095)
 */
private long sequence;
/**
 * 开始时间截 (2015-01-01)
 */
private long twepoch = 1288834974657L;
/**
 * 机器id所占的位数
 */
private long workerIdBits = 5L;
/**
 * 数据标识id所占的位数
 */
private long datacenterIdBits = 5L;
/**
 * 这个是二进制运算，就是 5 bit最多只能有31个数字，也就是说机器id最多只能是32以内
 */
private long maxWorkerId = -1L ^ (-1L << workerIdBits);
/**
 * 这个是二进制运算，就是 5 bit最多只能有31个数字，机房id最多只能是32以内
 */
private long maxDatacenterId = -1L ^ (-1L << datacenterIdBits);
/**
 * 序列在id中占的位数
 */
private long sequenceBits = 12L;
/**
 * 机器ID向左移12位
 */
private long workerIdShift = sequenceBits;
/**
 * 数据标识id向左移17位(12+5)
 */
private long datacenterIdShift = sequenceBits + workerIdBits;
/**
 * 时间截向左移22位(5+5+12)
 */
private long timestampLeftShift = sequenceBits + workerIdBits + datacenterIdBits;
/**
 * 生成序列的掩码，这里为4095 (0b111111111111=0xfff=4095)
 */
private long sequenceMask = -1L ^ (-1L << sequenceBits);
/**
 * 上次生成ID的时间截
 */
private long lastTimestamp = -1L;
public IdWorkerUtils(long workerId, long datacenterId, long sequence) {
    // sanity check for workerId
    // 这儿不就检查了一下，要求就是你传递进来的机房id和机器id不能超过32，不能小于0
    if (workerId > maxWorkerId || workerId < 0) {
        throw new IllegalArgumentException(
                String.format("worker Id can't be greater than %d or less than 0", maxWorkerId));
    }
    if (datacenterId > maxDatacenterId || datacenterId < 0) {
        throw new IllegalArgumentException(
                String.format("datacenter Id can't be greater than %d or less than 0", maxDatacenterId));
    }
    LOGGER.info(
            "worker starting. timestamp left shift {}, datacenter id bits {}, worker id bits {}, sequence bits {}, workerid {}",
            timestampLeftShift, datacenterIdBits, workerIdBits, sequenceBits, workerId);
    this.workerId = workerId;
    this.datacenterId = datacenterId;
    this.sequence = sequence;
}
public long getWorkerId() {
    return workerId;
}
public long getDatacenterId() {
    return datacenterId;
}
public long getTimestamp() {
    return System.currentTimeMillis();
}
public synchronized long nextId() {
    // 这儿就是获取当前时间戳，单位是毫秒
    long timestamp = timeGen();
    if (timestamp < lastTimestamp) {
        LOGGER.error("clock is moving backwards.  Rejecting requests until {}.", lastTimestamp);
        throw new RuntimeException(String.format(
                "Clock moved backwards.  Refusing to generate id for %d milliseconds", lastTimestamp - timestamp));
    }
    if (lastTimestamp == timestamp) {
        // 这个意思是说一个毫秒内最多只能有4096个数字
        // 无论你传递多少进来，这个位运算保证始终就是在4096这个范围内，避免你自己传递个sequence超过了4096这个范围
        sequence = (sequence + 1) & sequenceMask;
        if (sequence == 0) {
            timestamp = tilNextMillis(lastTimestamp);
        }
    } else {
        sequence = 0;
    }
    // 这儿记录一下最近一次生成id的时间戳，单位是毫秒
    lastTimestamp = timestamp;
    // 这儿就是将时间戳左移，放到 41 bit那儿；
    // 将机房 id左移放到 5 bit那儿；
    // 将机器id左移放到5 bit那儿；将序号放最后12 bit；
    // 最后拼接起来成一个 64 bit的二进制数字，转换成 10 进制就是个 long 型
    return ((timestamp - twepoch) << timestampLeftShift) | (datacenterId << datacenterIdShift)
            | (workerId << workerIdShift) | sequence;
}
private long tilNextMillis(long lastTimestamp) {
    long timestamp = timeGen();
    while (timestamp <= lastTimestamp) {
        timestamp = timeGen();
    }
    return timestamp;
}
private long timeGen() {
    return System.currentTimeMillis();
}
// ---------------测试---------------
/*public static void main(String[] args) {
    IdWorkerUtils worker = new IdWorkerUtils(1, 1, 1);
    for (int i = 0; i < 30; i++) {
        System.out.println(worker.nextId());
    }
}*/
}

 */
public class IdWorkerUtils {