c# 获取时间戳

// 现在的时间戳
TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0, 0);
int time = Convert.ToInt64(ts.TotalSeconds);
// 今日0点的时间戳
TimeSpan ts2 = DateTime.Today - new DateTime(1970, 1,1, 0, 0, 0);

int time2 = Convert.ToInt64(ts2.TotalSeconds);

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