/// <summary>
/// 插入数据：针对若干属性做索引
/// </summary>
/// <param name="dic"></param>
public void insertByIndex(Dictionary <String, Object> dic)
{
MemoryDB.InsertByIndex(this, dic);
}
/// <summary>
/// 插入数据：只针对特定属性做索引，提高速度
/// </summary>
/// <param name="propertyName"></param>
/// <param name="pValue"></param>
public void insertByIndex(String propertyName, Object pValue)
{
MemoryDB.InsertByIndex(this, propertyName, pValue);
}