Beispiel #1
0
        //获取一个获取特定属性的值的委托
        /// <summary>
        /// 获取一个获取特定属性的值的委托
        /// <para>返回结果:
        /// </para>一个object ReflectGet(object obj)类型的委托
        /// </summary>
        /// <param name="classType">需要获取属性的类</param>
        /// <param name="propertyName">属性名称</param>
        public static ReflectGet GetPropertyValue(Type classType, string propertyName)
        {
            string cacheKey = classType.FullName + SPACE + propertyName; //缓存标识符key

            ReflectGet returnDelegate = null;                            //声明返回委托对象

            if (cacheGet.TryGetValue(cacheKey, out returnDelegate))      //取出缓存中的委托,如果没有返回false
            {
                return(returnDelegate);                                  //如果有,直接返回该委托
            }
            ReflectGet reflectGet = null;

            returnDelegate = delegate(object obj) { return(reflectGet(obj)); }; //给返回委托赋值
            cacheGet.Add(cacheKey, returnDelegate);                             //添加到缓存

            PropertyInfo propertyInfo =
                classType.GetProperty(propertyName, EasyIL.ALLATTR);            //获得属性对象PropertyInfo

            reflectGet = delegate(object obj)                                   //使用系统反射方法
            {
                return(propertyInfo.GetGetMethod().Invoke(obj, null));
            };

            //开启新线程初始化动态方法
            ThreadPool.QueueUserWorkItem(delegate(object o)
            {
                //Type returnType = classType.GetProperty(propertyName, EasyIL.ALLATTR).PropertyType;
                Type returnType = typeof(object);                               //设置返回值类型
                Type argType    = typeof(object);                               //设置参数类型

                EasyIL il = new EasyIL(returnType, classType.Module, argType);  //建立简单EasyIL对象
                //EasyIL:自定义类,用于简单操作IL生成器生成动态方法

                //ILParameterBase obj = il.Convert(classType, il["0"]);         //将参数0转换为
                ILProperty objProperty =
                    il.CreateProperty(propertyInfo, il["0"]);                   //根据对象和属性对象 创建IL参数
                //il[0]表示第0个参数的ILProperty形式,ILProperty:自定义类,用于在EasyIL中代表一个参数
                il.Return(objProperty);                                         //return 属性的值
                //Type delegateType = typeof(delegateGeneric<,>).MakeGenericType(returnType, classType);
                reflectGet = (ReflectGet)il.CreateDelegate(typeof(ReflectGet)); //返回一个委托
            });


            return(returnDelegate);
        }
Beispiel #2
0
        //获取一个设置特定属性的值的委托
        /// <summary>
        /// 获取一个设置特定属性的值的委托
        /// <para>返回结果:
        /// </para>一个void ReflectSet(object obj, object value)类型的委托
        /// </summary>
        /// <param name="classType">需要设置属性的类</param>
        /// <param name="propertyName">属性名称</param>
        public static ReflectSet SetPropertyValue(Type classType, string propertyName)
        {
            ReflectSet returnDelegate;

            string cacheKey = classType.FullName + SPACE + propertyName;

            if (cacheSet.TryGetValue(cacheKey, out returnDelegate))
            {
                return(returnDelegate);
            }
            ReflectSet reflectSet = null;

            returnDelegate = delegate(object obj, object value) { reflectSet(obj, value); };
            cacheSet.Add(cacheKey, returnDelegate);

            PropertyInfo propertyInfo =
                classType.GetProperty(propertyName, EasyIL.ALLATTR);                //获得属性对象PropertyInfo

            reflectSet = delegate(object obj, object value)
            {
                propertyInfo.GetSetMethod().Invoke(obj, new object[] { value });
            };

            ThreadPool.QueueUserWorkItem(delegate(object o)
            {
                Type argType = typeof(object);
                EasyIL il    = new EasyIL(null, classType.Module, argType, argType);

                ILProperty objProperty = il.CreateProperty(propertyInfo, il["0"]);  //根据对象和属性对象 创建IL参数


                objProperty.SetValue(il["1"].StValue());

                il.Return();
                reflectSet = (ReflectSet)il.CreateDelegate(typeof(ReflectSet));
            });


            return(returnDelegate);
        }