C# 计算2个时间的时间差

返回秒与毫秒

/// <summary>
/// 计算时间差
/// </summary>
/// <param name="DateTime1"></param>
/// <param name="DateTime2"></param>
/// <returns></returns>
public static string DateDiff1(DateTime DateTime1, DateTime DateTime2)
{
    TimeSpan ts = DateTime2.Subtract(DateTime1);
    return string.Format("执行时长：{0}秒 或 {1}毫秒", ts.TotalSeconds, ts.TotalMilliseconds);
}

返回中文时间差

/// <summary>
/// 返回中文时间差
/// </summary>
/// <param name="DateTime1">当前时间</param>
/// <param name="DateTime2">历史时间</param>
/// <returns></returns>
public static string DateDiff(DateTime DateTime1, DateTime DateTime2)
{
    string dateDiff = null;
    try
    {
        TimeSpan ts = DateTime1 - DateTime2;
        if (ts.Days >= 1)
        {
            dateDiff = DateTime2.Month.ToString() + "月" + DateTime2.Day.ToString() + "日";
        }
        else
        {
            if (ts.Hours > 1)
            {
                dateDiff = ts.Hours.ToString() + "小时前";
            }
            else
            {
                if (ts.Minutes.ToString() == "0")
                {
                    dateDiff = "刚刚";
                }
                else
                {
                    dateDiff = ts.Minutes.ToString() + "分钟前";
                }
            }
        }
    }
    catch
    { }
    return dateDiff;
}

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