pmfactory.cs
来自「这是一个gps的数据读写器。大家可以借鉴学习一下。」· CS 代码 · 共 14 行
CS
14 行
using System;
using System.Data;
using System.Data.SqlClient;
namespace DAT
{
/// <summary>
/// abstract class for SqlParameter factory
/// </summary>
abstract public class PMFactory
{
/// <summary>
/// This is the super class of PMFactory_In and PMFactory_Out
/// which are responsible for creating various kind of SqlParameters.
/// This pattern corresponds to the pattern 揳bstract factory
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