反射

class Program
    {
        string name;
        int age;
        public string Name
        {
            get { return name; }
            set { this.name = value; }
        }
        static void Main(string[] args)
        {
            //无参构造函数来实例化类    
            object obj = Assembly.Load("ConsoleApp").CreateInstance("ConsoleApp.Program");
            Type type = obj.GetType();
            MethodInfo methodinfo1 = type.GetMethod("GetName", new Type[0]);
            MethodInfo methodinfo2 = type.GetMethod("GetName", new Type[] { typeof(string), typeof(string) });
            MethodInfo methodinfo3 = type.GetMethod("GetAge", BindingFlags.Instance | BindingFlags.NonPublic);
            PropertyInfo propertyInfo1 = type.GetProperty("Name");
            FieldInfo fieldInfo1 = type.GetField("name", BindingFlags.Instance | BindingFlags.NonPublic);
            fieldInfo1.SetValue(obj, "wwb");
            object re1 = methodinfo1.Invoke(obj, null);
            object re2 = methodinfo2.Invoke(obj, new object[] { "fdf", "fd" });
            object re3 = methodinfo3.Invoke(obj, null);
            propertyInfo1.SetValue(obj, "王文斌", null);
            object re4 = propertyInfo1.GetValue(obj, null);
            object re5 = fieldInfo1.GetValue(obj);

            Console.WriteLine("无参数的公共方法:" + re1);
            Console.WriteLine("有参数的公共方法:" + re2);
            Console.WriteLine("无参数的私有方法:" + re3);
            Console.WriteLine("属性:" + re4);
            Console.WriteLine("字段:" + re5);

            //有参构造函数来实例化类
            Assembly assembly = Assembly.Load("ConsoleApp");
            Type type2 = assembly.GetType("ConsoleApp.Program");
            ConstructorInfo constructorInfo = type2.GetConstructor(new Type[] { typeof(string), typeof(int) });
            object instance = constructorInfo.Invoke(new object[] { "wwb", 27 });
        }
        public Program()
        {
        }
        public Program(string name, int age)
        {
            this.name = name;
            this.age = age;

            Console.WriteLine("i have two parameter constructor:" + name + ":" + age);
        }
        public string GetName(string name, string abc)
        {
            return name;
        }
        public string GetName()
        {
            return name;
        }
        int GetAge()
        {
            return age;
        }
    }