Java LocalTime和C# DateTime的转换

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java RPC服务中的localTime转换为long之后,C#没有直接转换的方法,这时候只能自己动手了.

做了几个数据实验了一下localTime转换出的long,其实就是3600*10^9小时+60*10^9分钟+ 10^9*秒+10^6*毫秒这样的格式.那么换算起来就很简单了.

当然要注意精度问题.LocalTime精度到纳秒(10^-9),而DateTime只支持到毫秒.

废话不说看代码

        //从C#的DateTime转化为LocalTime的long
        public static long ToJavaLocalTimeLong(DateTime time)
        {
            return time.Millisecond * 1000000L + time.Second * 1000000000L + time.Minute * 60000000000L + time.Hour * 3600000000000L;
        }
        //从LocalTime的Long转化为C#的DateTime
        public static DateTime FromJavaLocalTimeLong(long time)
        {
            if (time < 1000000)
                return new DateTime(2000, 1, 1, 0, 0, 0);
            if (time > 86399999000000)
                throw new Exception("时间值过大,超过23点59分59秒999,无法转换");
            long lastTime = time;
            int hour = Convert.ToInt32(lastTime / 3600000000000);
            lastTime -= (long)hour * 3600000000000L;
            int minute = Convert.ToInt32(lastTime / 60000000000);
            lastTime -= (long)minute * 60000000000L;
            int second = Convert.ToInt32(lastTime / 1000000000);
            lastTime -= (long)second * 1000000000L;
            int msecound = Convert.ToInt32(lastTime / 1000000);
            return new DateTime(2000, 1, 1, hour, minute, second, msecound);
        }

 

转载于:https://my.oschina.net/somereasons/blog/848366

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