C# 对象比较(值类型、引用类型)

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        #region 引用对象比较        /// <summary>        /// 引用对象比较        /// </summary>        /// <param name="objA"></param>        /// <param name="objB"></param>        /// <returns></returns>        public static bool CompareObject(object objA, object objB)        {            bool flag = false;            if (objA == null || objB == null)            {                flag = false;            }            else if (objA == DBNull.Value && objB != DBNull.Value)            {                flag = false;            }            else if (objA != DBNull.Value && objB == DBNull.Value)            {                flag = false;            }            else if (objA == DBNull.Value && objB == DBNull.Value)            {                //objA objB 对应的列类型已经比较过 类型已判断 值一致                flag = true;            }            else if (objA.GetType() != objB.GetType())            {                flag = false;            }            else if (objA is int || objA is short || objA is long || objA is float || objA is double || objA is decimal)            {                //int 01与1                      if (objA is int)                {                    if ((int)objA == (int)objB)                    {                        flag = true;                    }                }                else if (objA is short)                {                    if ((short)objA == (short)objB)                    {                        flag = true;                    }                }                else if (objA is long)                {                    if ((long)objA == (long)objB)                    {                        flag = true;                    }                }                else if (objA is float)                {                    if ((float)objA == (float)objB)                    {                        flag = true;                    }                }                else if (objA is double)                {                    if ((double)objA == (double)objB)                    {                        flag = true;                    }                }                else if (objA is decimal)                {                    if ((decimal)objA == (decimal)objB)                    {                        flag = true;                    }                }            }            else            {                string strA = MetadataXmlSerializer<object>.ToXMLString(objA);                string strB = MetadataXmlSerializer<object>.ToXMLString(objB);                if (strA == strB)                {                    flag = true;                }            }            return flag;        }        #endregion

小注：

如果传入的两个值是dataRow中单元格的值，请先比较类型，类型一致再调用该方法

深拷贝部分代码：

C# 实体类序列化与反序列化一 (XmlSerializer)

C# 实体类序列化与反序列化二 (DataContractSerializer)

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