/// <summary>
/// 设置扩展属性:字段是否主键(PrimaryKey)
/// </summary>
/// <param name="ext"></param>
/// <param name="pd"></param>
internal static void SetExtendProperty_PrimaryKey(IExtendProperty ext, PropertyDescriptor pd)
{
PrimaryKeyAttribute a = pd.Attributes[typeof(PrimaryKeyAttribute)] as PrimaryKeyAttribute;
if (a != null && a.IsPrimaryKey)
{
DataModelFieldIndex d = new DataModelFieldIndex()
{
Name = pd.GetNameForDatabase(), Order = a.Order
};
ext.SetExtendPropertyValue("PrimaryKey", d);
}
}
public PropertyDescriptorDataModelField(PropertyDescriptor pd)
{
#region 基础属性
p_InnerExtend.SetExtendPropertyValue("Name", pd.GetNameForDatabase());
p_InnerExtend.SetExtendPropertyValue("Title", pd.GetDisplayName());
p_InnerExtend.SetExtendPropertyValue("Description", pd.GetDescription());
Type clrType = pd.PropertyType.GetTypeIfIsNullable();
p_InnerExtend.SetExtendPropertyValue("FieldDbType", clrType.GetDbType());
#endregion
#region 扩展属性
DataModelHelper.SetExtendProerty_IsSoftDeleteField(p_InnerExtend, pd);
DataModelHelper.SetExtendProerty_RowVersion(p_InnerExtend, pd);
DataModelHelper.SetExtendProerty_PropertyDescription(p_InnerExtend, pd);
DataModelHelper.SetExtendProerty_ClrType(p_InnerExtend, clrType);
DataModelHelper.SetExtendProperty_CanbeNull(p_InnerExtend, pd);
DataModelHelper.SetExtendProperty_PrimaryKey(p_InnerExtend, pd);
DataModelHelper.SetExtendProperty_IndexKey(p_InnerExtend, pd);
DataModelHelper.SetExtendProerty_DbFieldValueConvertType(p_InnerExtend, pd);
DataModelHelper.SetExtendProperty_DefaultValue(p_InnerExtend, pd);
switch (clrType.GetDbType())
{
case DbType.String:
{
DataModelHelper.SetExtendProperty_MaxLength(p_InnerExtend, pd, 50);
break;
}
case DbType.Decimal:
{
DataModelHelper.SetExtendProperty_DecimalDefine(p_InnerExtend, pd, new DecimalDefine()
{
DecimalLength = 18, DotLength = 2
});
break;
}
case DbType.Int16:
case DbType.Int32:
case DbType.Int64:
case DbType.UInt16:
case DbType.UInt32:
case DbType.UInt64:
{
DataModelHelper.SetExtendProperty_DbGeneratedDefine(p_InnerExtend, pd);
break;
}
}
//数字是否超出范围
NumberType nt = DataValueParase.IsNumberType(clrType);
if ((nt != NumberType.Unkown) || (clrType == typeof(DateTime) || clrType == typeof(TimeSpan)))
{
DataModelHelper.SetExtendProperty_MinMaxExpress(p_InnerExtend, pd);
}
#endregion
}