public static ReflectionInfo <TObject> GetInfo <TObject>()
{
var type = typeof(TObject);
object info;
if (ReflectionInfoCache.TryGetValue(type, out info))
{
return((ReflectionInfo <TObject>)info);
}
else
{
var refInfo = new ReflectionInfo <TObject>(type);
ReflectionInfoCache[type] = refInfo;
return(refInfo);
}
}
/// <summary>
/// 用Reader填充T类型列表
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="reader"></param>
/// <returns></returns>
public static List <T> ReaderToObjectList <T>(DbDataReader reader)
{
if (!reader.HasRows)
{
return(new List <T>());
}
var refInfo = ReflectionHelper.GetInfo <T>();
List <T> list = new List <T>();
var first = true;
int length = reader.FieldCount;
ReflectionInfo <T> .Accessor[] accessorArray = new ReflectionInfo <T> .Accessor[length];
object[] values = new object[length];
while (reader.Read())
{
reader.GetValues(values);
T obj = refInfo.NewInstance();// Activator.CreateInstance<T>();
if (first)
{
for (int i = 0; i < length; i++)
{
var fieldName = reader.GetName(i);
var accessor = refInfo.GetAccessor(fieldName);
accessorArray[i] = accessor;
accessor.Set(obj, values[i]);
}
first = false;
}
else
{
for (var i = 0; i < length; i++)
{
accessorArray[i].Set(obj, values[i]);
}
}
list.Add(obj);
}
return(list);
}
