/// <summary>
 /// 默认构造函数
 /// </summary>
 public SystemConfigEntity()
 {
     _systemConfigID    = 0;
     _configKey         = null;
     _configValue       = null;
     _configDataType    = null;
     _configDescription = null;
     _sortIndex         = null;
     _configGroupID     = null;
     _createBy          = null;
     _createAt          = null;
     _lastModifyBy      = null;
     _lastModifyAt      = null;
     _lastModifyComment = null;
 }
 /// <summary>
 /// 全构造函数
 /// </summary>
 public SystemConfigEntity(int systemConfigID, string configKey, string configValue, string configDataType, string configDescription, int?sortIndex, SystemConfigGroupEntity configGroupID, int?createBy, DateTime?createAt, int?lastModifyBy, DateTime?lastModifyAt, string lastModifyComment)
 {
     _systemConfigID    = systemConfigID;
     _configKey         = configKey;
     _configValue       = configValue;
     _configDataType    = configDataType;
     _configDescription = configDescription;
     _sortIndex         = sortIndex;
     _configGroupID     = configGroupID;
     _createBy          = createBy;
     _createAt          = createAt;
     _lastModifyBy      = lastModifyBy;
     _lastModifyAt      = lastModifyAt;
     _lastModifyComment = lastModifyComment;
 }