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  • Java计算两个日期之间的时间差(毫秒数)

    Java计算两个日期之间的时间差

    package com.test1;
    
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    
    public class GetTimeDistance {
        
        public static void main(String[] args) throws ParseException {
            Date date1 = new Date();
            Date date2 = new Date();
            
            SimpleDateFormat sdf = new SimpleDateFormat("YYYY/MM/dd HH:mm:ss.SSS");  
            
        
            String d_1w_ifc_start = "2020/01/11 17:21:36.645";
            String d_1w_ifc_end = "2020/01/11 17:22:51.347";
    
            String d_1w_mysql_start = "2020/01/11 17:22:51.347";
            String d_1w_mysql_end = "2020/01/11 17:22:51.716";
            System.out.println(getTime(d_1w_ifc_start,d_1w_ifc_end)+"  "+getTime(d_1w_mysql_start,d_1w_mysql_end));
            
            
        }
        
        // 获取两个时间相差分钟数
        public static long getTime(String oldTime,String newTime) throws ParseException {
     
            SimpleDateFormat df = new SimpleDateFormat("YYYY/MM/dd HH:mm:ss.SSS");
            long NTime =df.parse(newTime).getTime();
            //从对象中拿到时间
            long OTime = df.parse(oldTime).getTime();
            long diff=(NTime-OTime);
            return diff;
        }
    
    }

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  • 原文地址:https://www.cnblogs.com/herd/p/12180548.html
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