公式解析-微软类库

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.JScript;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            string formula = "Math.abs(0-0)+Math.abs(-3)";
            var num= System.Convert.ToDecimal(
                   Eval.JScriptEvaluate(formula, false, Microsoft.JScript.Vsa.VsaEngine.CreateEngine()));
            Console.WriteLine(num);
            Console.ReadKey();

        }

        public static Entity ChangEntity(Entity e)
        {
            e.Age = e.Age - 10;
            e.Name = e.Name + "love";
            return e;
        }
    }
}