根据反射给实体对象赋值

　　　　  /// <summary>
        /// 根据反射给实体对象赋值
        /// </summary>
        /// <typeparam name="T">已赋值的对象</typeparam>
        /// <typeparam name="L">要被赋值的对象</typeparam>
        /// <param name="t">已赋值的对象的实例化</param>
        /// <returns></returns>
        public static L SetProperties<T, L>(T t) where L : new()
        {
            if (t == null)
            {
                return default(L);
            }
            System.Reflection.PropertyInfo[] propertiesT = typeof(T).GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
            System.Reflection.PropertyInfo[] propertiesL = typeof(L).GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
            //if (propertiesT.Length != propertiesL.Length || propertiesL.Length == 0)
            //{
            //    return default(L);
            //}
            L setT = new L();
            foreach (System.Reflection.PropertyInfo itemL in propertiesL)
            {
                foreach (System.Reflection.PropertyInfo itemT in propertiesT)
                {

                    if (itemL.Name == itemT.Name)
                    {

                        object value = itemT.GetValue(t, null);

                        itemL.SetValue(setT, value == null ? null : Convert.ChangeType(value, itemL.PropertyType), null);
                    }
                }
            }
            return setT;
        }