- #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: