/// <summary>
/// 取得指定类的所有数据属性。
/// 静态缓存。
/// </summary>
/// <param name="t">实体类型</param>
/// <returns>所有数据属性对象列表</returns>
public static FieldItem[] AllFields(Type t)
{
if (_AllFields.ContainsKey(t))
{
return(_AllFields[t]);
}
lock (_AllFields)
{
if (_AllFields.ContainsKey(t))
{
return(_AllFields[t]);
}
List <FieldItem> cFields = new List <FieldItem>();
PropertyInfo[] pis = t.GetProperties();
List <String> names = new List <String>();
foreach (PropertyInfo item in pis)
{
FieldItem field = new FieldItem();
field.Property = item;
field.Column = BindColumnAttribute.GetCustomAttribute(item);
field.DataObjectField = DataObjectAttribute.GetCustomAttribute(item, typeof(DataObjectFieldAttribute)) as DataObjectFieldAttribute;
cFields.Add(field);
if (names.Contains(item.Name))
{
throw new Exception(String.Format("{0}类中出现重复属性{1}", t.Name, item.Name));
}
names.Add(item.Name);
}
_AllFields.Add(t, cFields.ToArray());
return(cFields.ToArray());
}
}
/// <summary>构造函数</summary>
/// <param name="table"></param>
/// <param name="property"></param>
public FieldItem(TableItem table, PropertyInfo property)
{
if (property == null)
{
throw new ArgumentNullException("property");
}
_Table = table;
_Property = property;
_Column = BindColumnAttribute.GetCustomAttribute(_Property);
_DataObjectField = DataObjectAttribute.GetCustomAttribute(_Property, typeof(DataObjectFieldAttribute)) as DataObjectFieldAttribute;
_Description = DescriptionAttribute.GetCustomAttribute(_Property, typeof(DescriptionAttribute)) as DescriptionAttribute;
}