/// <summary>
/// 表信息对象，用于对单张表的处理，可以通过自己实现接口来完成效果。
/// </summary>
/// <param name="tableName">表名</param>
/// <typeparam name="T">自己实现的单表操作类</typeparam>
/// <returns></returns>
protected virtual ITableProvider GetTableProvider <T>(string tableName) where T : ITableProvider
{
ITableProvider provider = Activator.CreateInstance <T>();
provider.Initialize(this.Database, tableName);
return(provider);//new T(this.Database, tableName);
}