using System;
using IwbZero.Expr;
using IwbZero.ToolCommon.StringModel;

namespace IwbZero.ExprFunctions.Functions
{
    /// <summary>
    /// 获取日期(月)
    /// </summary>
    public class FunGetMonth:IIwbFunction
    {
        public string Invoke(ExprObject exprObj)
        {
            int month = DateTime.Now.Month;
            if (exprObj.ChildCount > 0)
            {
                month = exprObj.GetChild(0).Expr.StrToDt().Month;
            }
            return month.ToString();
        }
    }
}