/// <summary>
/// 获取数据库中的所有实体，通过传递实例化委托，提升反射性能
/// </summary>
/// <returns></returns>
public static List <T> GetAllEntities <T>(this IDataBaseConnector connector, string tableName)
where T : class, IFreeDocument, new()
{
return(connector.GetEntityList <T>(tableName));
}
public IList <IFreeDocument> FetchRange(int startIndex, int count)
{
return(connector.GetEntityList <IFreeDocument>(tableName, count, startIndex));
}