/// <summary>
        /// 使用反射优化的方式对FieldInfo实例赋值
        /// </summary>
        /// <param name="fieldInfo">FieldInfo对象实例</param>
        /// <param name="obj">调用参数,用于数组索引器等成员</param>
        /// <param name="value">对象值</param>
        public static void FastSetField(this FieldInfo fieldInfo, object obj, object value)
        {
            if (fieldInfo == null)
            {
                throw new ArgumentNullException("fieldInfo");
            }

            SetValueDelegate setter = (SetValueDelegate)s_setterDict[fieldInfo];

            if (setter == null)
            {
                setter = DynamicMethodFactory.CreateFieldSetter(fieldInfo);
                s_setterDict[fieldInfo] = setter;
            }

            setter(obj, value);
        }