protected static void test()
        {
            //获取程序集
            Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();//Assembly.LoadFrom("test.dll"); 

            //获取模块
            Module[] modules = assembly.GetModules();
            foreach (Module module in modules)
            {
                Console.WriteLine("module name:" + module.Name);
            } 

            //获取类
            Type type = assembly.GetType("Reflect_test.PurchaseOrderHeadManageModel", true, true); //命名空间名称 + 类名

            //创建类的实例
            object obj = Activator.CreateInstance(type, true);

            //获取私有字段
            FieldInfo[] myfields = type.GetFields(BindingFlags.NonPublic | BindingFlags.IgnoreCase | BindingFlags.Instance);
            for (int i = 0; i < myfields.Length; i++)
            {
                Console.WriteLine("字段名：{0},类型：{1}", myfields[i].Name, myfields[i].FieldType);
            }

            //获取公共属性
            PropertyInfo[] Propertys = type.GetProperties();
            for (int i = 0; i < Propertys.Length; i++)
            {
               // Propertys[i].SetValue(Propertys[i], i, null); //设置值
               // Propertys[i].GetValue(Propertys[i],null); //获取值
                Console.WriteLine("属性名：{0},类型：{1}",Propertys[i].Name,Propertys[i].PropertyType);
            }

            //构造函数集合
            ConstructorInfo[] myconstructors = type.GetConstructors();
            foreach (ConstructorInfo csinfo in myconstructors)
            {
                Console.WriteLine("ConstructorInfo：{0}",csinfo.Name);
                foreach (ParameterInfo pinfo in csinfo.GetParameters())//构造函数参数列表
                {
                    Console.WriteLine("Parameter：{0},{1}", pinfo.Name,pinfo.ParameterType);
                }
            }
            //公共方法，包括属性
            MethodInfo[] methods = type.GetMethods();
            foreach (MethodInfo method in methods)
            {
                //IsSpecialName：是否是属性
                if (!method.IsSpecialName) 
                {
                   // Console.WriteLine("类型:" + method.Attributes);
                    Console.WriteLine("method name:" + method.Name);
                }
            }
            
            //调用静态方法
            int result = (int)type.InvokeMember("StaticPlus", BindingFlags.InvokeMethod, null, null, new object[] {2,3 });
            Console.WriteLine("调用静态方法-结果是：{0}",result);

            //调用非静态方法
            result = (int)type.InvokeMember("Plus", BindingFlags.InvokeMethod, null, obj, new object[] { 3, 4 });
            Console.WriteLine("调用非静态方法-结果是：{0}",result);

             EventInfo[] Myevents=type.GetEvents();
             foreach (EventInfo einfo in Myevents)
             {
                 Console.WriteLine("事件：{0}", einfo.Name);
             }
        }