Unity农历和公历相互转换

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前言

Unity农历和公历相互转换，使用 System.Globalization.ChineseLunisolarCalendar 实现，但是需要注意的是在.NET2.0是无法调用GetMonth等方法的，在.NET2.0中，方法被标记为[MonoTODO]。

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农历转公历

    /// <summary>
    /// 农历转公历
    /// 需.net4.6可用
    /// </summary>
    /// <param name="time">2021-07-24</param>
    /// <returns>2021-08-31</returns>
    public static string LunarToSolar( string time)
    {
    
    
        System.Globalization.ChineseLunisolarCalendar cncld = new System.Globalization.ChineseLunisolarCalendar();
        int year = Convert.ToInt32(time.Split('-')[0]);
        int month = Convert.ToInt32(time.Split('-')[1]);
        int day = Convert.ToInt32(time.Split('-')[2]);
        int flag = cncld.GetLeapMonth(year);
        DateTime dtnl = cncld.ToDateTime(year, month, day, 0, 0, 0, 0);
        dtnl = flag > 0 ? dtnl.AddMonths(1) : dtnl;
        return dtnl.ToString("yyyy-MM-dd");
    }

公历转农历

    /// <summary>
    /// 公历转农历
    /// 需.net4.6可用
    /// </summary>
    /// <param name="time">2021-08-31</param>
    /// <returns>2021-07-24</returns>
    public static string SolarToLunar( string time)
    {
    
    
        System.Globalization.ChineseLunisolarCalendar cncld = new System.Globalization.ChineseLunisolarCalendar();
        DateTime dt = DateTime.Parse(time);
        int year = cncld.GetYear(dt);
        int flag = cncld.GetLeapMonth(year);
        int month = flag > 0 ? cncld.GetMonth(dt) - 1 : cncld.GetMonth(dt);
        int day = cncld.GetDayOfMonth(dt);
        return $"{
      
      year}-{
      
      (month.ToString().Length == 1 ? "0" + month : month + "")}-{
      
      (day.ToString().Length == 1 ? "0" + day : day + "")}";
    }