增加返回溯源第二个点的service实现

ZhuDongming

2019-06-12 c078390a7398946e88d9ef7446bb2b5562ce77a2

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package com.moral.entity.charts;
 
public enum  TimeUnits {
    YEAR,MONTH,DAY,HOUR,MINUTE,SECOND,MILLISECOND
}