using MSScriptControl;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
using v8sharp;

namespace Js调用
{
    class Program
    {
        static void Main(string[] args)
        {
                string reString = @"
            function MessageBox(s)
            {
                return 'Hellow ' + s;
            }
            ";
            string MethodName = "MessageBox";
            string para = "'bbs.msdn5.com'";
            //请先引用 Interop.MSScriptControl.dll Framework4.0 引用 Interop.MSScriptControl_fr40
            // string info =RunMethod(reString,para,MethodName); //Run
            //string info = EvalMethod(reString, para, MethodName); //Eval
            string info = V8Method(reString, para, MethodName); //V8
            Console.WriteLine(info);
            Console.ReadKey();

        }
        /// <summary>
        /// 执行js V8方法
        /// </summary>
        /// <param name="reString">Js代码</param>
        /// <param name="para">参数字符串(使用逗号分隔)</param>
        /// <param name="MethodName">方法名称</param>
        static string V8Method(string reString, string para, string MethodName)
        {
            V8Engine engine = V8Engine.Create();//创建V8对象
            V8Script script = engine.Compile(reString);//编译
            try
            {
                engine.Execute(script);//将编译的脚本加载到V8引擎中
                string res = engine.Execute(string.Format("{0}({1})", MethodName, para)).ToString();//执行结果
                return res;
            }
            catch (Exception ex)
            {
              return  ex.Message;//异常信息
            }
        }

        /// <summary>
        /// 执行js Eval方法
        /// </summary>
        /// <param name="reString">Js代码</param>
        /// <param name="para">参数字符串(使用逗号分隔)</param>
        /// <param name="MethodName">方法名称</param>
       static  string EvalMethod(string reString, string para, string MethodName)
        {
            try
            {
                Type obj = Type.GetTypeFromProgID("ScriptControl");
                if (obj == null) return "";
                //使用默认构造函数创建对象实例
                object ScriptControl = Activator.CreateInstance(obj);
                // InvokeMember 设置属性
                obj.InvokeMember("Language", BindingFlags.SetProperty, null, ScriptControl, new object[] { "JScript" });
                obj.InvokeMember("AddCode", BindingFlags.InvokeMethod, null, ScriptControl, new object[] { reString });
                //执行当前对象的方法(方法名) InvokeMethod 异步执行某一个方法
               return obj.InvokeMember("Eval", BindingFlags.InvokeMethod, null, ScriptControl, new object[] { string.Format("{0}({1})", MethodName, para) }).ToString();//执行结果

            }
            catch (Exception ex)
            {
                string ErrorInfo = string.Format("执行JS出现错误:   \r\n 错误描述: {0} \r\n 错误原因: {1} \r\n 错误来源:{2}", ex.Message, ex.InnerException.Message, ex.InnerException.Source);//异常信息
                return ErrorInfo;
            }
        }
         /// <summary>
        /// 执行js Run方法
        /// </summary>
        /// <param name="reString">Js代码</param>
        /// <param name="para">参数字符串(使用逗号分隔)</param>
        /// <param name="MethodName">方法名称</param>
        static string RunMethod(string reString, string para, string MethodName)
        {
            ScriptControlClass sc = new ScriptControlClass();
            try
            {
                sc.UseSafeSubset = true;//大家自行查询下具体代表的含义.
                sc.Language = "JScript"; //Asp vbScritp   JScript!= JavaScript
                sc.AddCode(reString);
                string[] str = para.Split(',');
                object[] obj = new object[str.Length];
                ; i < str.Length; i++)
                {
                    obj[i] = str[i];
                }

               return sc.Run(MethodName, obj).ToString(); //执行结果
            }
            catch (Exception ex)
            {
                if (sc.Error.Source != null)
                {
                    string txt = sc.Error.Text == null ? "" : sc.Error.Text;
                    string ErrorInfo = string.Format("执行JS出现错误:   \r\n 第{0}行,第{1}列, \r\n 错误描述: {2}:    {3};\r\n 错误Code:{4}", sc.Error.Line.ToString(), sc.Error.Column.ToString(), sc.Error.Source, sc.Error.Description.ToString() + txt, sc.Error.Number.ToString());
                   //  ErrorInfo  异常信息
                    return txt + ErrorInfo;
                }
                else
                {
                   // ex.Message; 异常信息
                    return ex.Message;
                }
            }
        }
    }
}