反射基础

Posted 2021-01-22 liyiboke

    /// <summary>
    /// 测试反射模型
    /// </summary>
    public class TestFunction
    {
        public TestFunction() { }
        public TestFunction(string param)
        {
            this.Param = param;
        }
        public string Param { get; set; }

        public string Function(string fParam)
        {
            return this.Param + "-" + fParam;
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            TestReflection(new TestFunction());
            Console.Read();
        }

        public static void TestReflection(object obj)
        {
            //obj类的类型
            var t = obj.GetType();

            //字段集GetProperties参数可指定字段修饰符
            var field = t.GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance);

            //构造函数的参数
            object[] constuctParms = new object[] { "构造函数的值" };
            //根据类型创建对象
            object dObj = Activator.CreateInstance(t, constuctParms);

            //获取方法的信息
            MethodInfo method = t.GetMethod("Function");
            //GetValue方法的参数
            object[] parameters = new object[] { "Function函数中的值" };
            //调用方法，用一个object接收返回值
            object returnValue = method.Invoke(dObj, BindingFlags.Public, Type.DefaultBinder, parameters, null);

            Console.Write(returnValue);
        }
    }