/// <summary>
 /// 初始化表信息
 /// </summary>
 /// <param name="tables">数据表节点集合</param>
 /// <param name="package">Package信息</param>
 private void InitTables(XmlNode tables, PackageInfo package)
 {
     foreach (XmlNode table in tables)
     {
         package.Tables.Add(_tableLoader.GetTable(table));
     }
 }