/// <summary>
/// 将src中各属性的值复制到des中
/// </summary>
/// <param name="src"></param>
/// <param name="des"></param>
public static void MembersClone(DomainObject src, DomainObject des)
{
foreach (MemberInfo info in DomainObjectUtility.GetMemberInfos(src))
{
DomainObjectUtility.SetValue(des, info.Name, DomainObjectUtility.GetValue(src, info, null));
}
}
public static DomainObject FillDomainObject(object obj, DataRow dataRow)
{
Hashtable hs = DomainObjectUtility.GetAttributeMemberInfos(obj);
Hashtable hsFields = GetFieldNameMapAttribute(obj.GetType().FullName, hs);
foreach (DataColumn column in dataRow.Table.Columns)
{
if (hsFields.Contains(column.ColumnName.ToUpper()))
{
DomainObjectUtility.SetValue(obj, (MemberInfo)hsFields[column.ColumnName.ToUpper()], dataRow[column.ColumnName]);
}
}
return((DomainObject)obj);
}
public static void SetValue(object domainObject, string propertyName, object value)
{
ArrayList infos = DomainObjectUtility.GetMemberInfos(domainObject);
MemberInfo info1 = null;
foreach (MemberInfo info in infos)
{
if (info.Name == propertyName)
{
info1 = info;
break;
}
}
if (info1 == null)
{
ExceptionManager.Raise(typeof(DomainObject), "$Error_Property_Name_Not_Exist");
}
DomainObjectUtility.SetValue(domainObject, info1, value);
}
private static void SetValue(object domainObject, MemberInfo info, object value)
{
if (info == null)
{
return;
}
FieldMapAttribute fa = (FieldMapAttribute)System.Attribute.GetCustomAttribute(info, typeof(FieldMapAttribute));
if (fa == null)
{
return;
}
Type type1 = (info is FieldInfo) ? ((FieldInfo)info).FieldType : ((PropertyInfo)info).PropertyType;
if (fa.BlobType == BlobTypes.Binary)
{
if (!((DomainObject)domainObject).IsBlobIgnored)
{
DomainObjectUtility.SetValue(domainObject, info, value, null);
return;
}
}
if (type1 == typeof(int))
{
if (value is System.DBNull)
{
return;
}
else
{
DomainObjectUtility.SetValue(domainObject, info, System.Int32.Parse(value.ToString()), null);
return;
}
}
if (type1 == typeof(long))
{
if (value is System.DBNull)
{
return;
}
DomainObjectUtility.SetValue(domainObject, info, System.Int64.Parse(value.ToString()), null);
return;
}
if (type1 == typeof(double))
{
if (value is System.DBNull)
{
return;
}
DomainObjectUtility.SetValue(domainObject, info, System.Double.Parse(value.ToString()), null);
return;
}
if (type1 == typeof(float))
{
if (value is System.DBNull)
{
return;
}
DomainObjectUtility.SetValue(domainObject, info, System.Single.Parse(value.ToString()), null);
return;
}
if (type1 == typeof(decimal))
{
if (value is System.DBNull)
{
return;
}
//DomainObjectUtility.SetValue(domainObject, info, System.Decimal.Parse(DomainObjectUtility.GetValueString(value)), null);
//说明： 以前的方法在高精度的double数据转换成decimal数据的时候，报参数类型不对的错误，原因是高精度的double的数据在ToString之后会编程科学记数法，因此decimal.parse的时候会出错
//解决方法： 私有方法专门对
DomainObjectUtility.SetValue(domainObject, info, DomainObjectUtility.Getdecimal(value), null);
return;
}
if (type1 == typeof(bool))
{
DomainObjectUtility.SetValue(domainObject, info, value.ToString() == "Y", null);
return;
}
if (type1 == typeof(string))
{
DomainObjectUtility.SetValue(domainObject, info, value.ToString(), null);
return;
}
if (type1 == typeof(DateTime))
{
DateTime result;
DateTime.TryParse(value.ToString(), out result);
DomainObjectUtility.SetValue(domainObject, info, result, null);
return;
}
if (type1.IsEnum)
{
DomainObjectUtility.SetValue(domainObject, info, Enum.Parse(type1, value.ToString()), null);
return;
}
DomainObjectUtility.SetValue(domainObject, info, value, null);
}
