/// <summary>
/// 返回一个实体类型的描述信息（全部属性及字段）。
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static ModelDescripton GetModelDescripton(Type type)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
string key = type.FullName;
ModelDescripton mm = (ModelDescripton)s_modelTable[key];
if (mm == null)
{
List <DataMember> list = new List <DataMember>();
(from p in type.GetProperties(BindingFlags.Instance | BindingFlags.Public)
select new PropertyMember(p)).ToList().ForEach(x => list.Add(x));
(from f in type.GetFields(BindingFlags.Instance | BindingFlags.Public)
select new FieldMember(f)).ToList().ForEach(x => list.Add(x));
mm = new ModelDescripton {
Fields = list.ToArray()
};
s_modelTable[key] = mm;
}
return(mm);
}
/// <summary>
/// 返回一个实体类型的指定名称的数据成员
/// </summary>
/// <param name="type"></param>
/// <param name="name"></param>
/// <returns></returns>
public static DataMember GetMemberByName(Type type, string name, bool ifNotFoundThrowException)
{
ModelDescripton description = GetModelDescripton(type);
foreach (DataMember member in description.Fields)
{
if (member.Name == name)
{
return(member);
}
}
if (ifNotFoundThrowException)
{
throw new ArgumentOutOfRangeException(
string.Format("指定的成员 {0} 在类型 {1} 中并不存在。", name, type.ToString()));
}
return(null);
}
