Abstract Factory模式示例

最新推荐文章于 2022-03-10 09:00:27 发布

最新推荐文章于 2022-03-10 09:00:27 发布 · 107 阅读

本文通过一个具体的例子介绍了抽象工厂模式的实现方式。该模式提供了一个创建一系列相关或相互依赖对象的接口，而无需指定它们具体的类。文中展示了如何定义抽象产品接口及具体产品的实现，并通过两个不同的工厂来创建这些产品。

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参考了张逸的书,对抽象工厂这个创建型模式进行了复习.

关于该模式的一些介绍和应用场合,我就不再多说了，有很多人的blog 和书上都有介绍.

下面把项目的架构和实现给大家。

架构：

项目架构

实现代码：

IReportFactory.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AbstractFactory
{
public interface IReportFactory
{
IReportObject CreateReportObject();
IReportFormat CreateReportFormat();
IReportProcessor CreateReportProcessor();
}
}

IReportFormat.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AbstractFactory
{
public interface IReportFormat
{
}
}

IReportObject.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AbstractFactory
{
public interface IReportObject
{
}
}

IReportProcessor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AbstractFactory
{
public interface IReportProcessor
{

}
}

CellReportFormat.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
namespace CellReportDetail
{
public class CellReportFormat:IReportFormat
{
public CellReportFormat()
{
Console.WriteLine("this is CellReportFormat class.");
}
}
}

CellReportObject.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory ;
namespace CellReportDetail
{
public class CellReportObject:IReportObject
{
public CellReportObject()
{
Console.WriteLine("this is CellReportObject class.");
}
}
}

CellReportProcessor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
namespace CellReportDetail
{
public class CellReportProcessor:IReportProcessor
{
public CellReportProcessor()
{
Console.WriteLine("this is CellReportProcessor class.");
}
}
}

CrystalReportFormat.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
namespace CrystalReportDetail
{
public class CrystalReportFormat:IReportFormat
{
public CrystalReportFormat()
{
Console.WriteLine("this is CrystalReportFormat class.");
}
}
}

CrystalReportObject.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
namespace CrystalReportDetail
{
public class CrystalReportObject:IReportObject
{
public CrystalReportObject()
{
Console.WriteLine("this is CrystalReportObject class.");
}
}
}

CrystalReportProcessor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
namespace CrystalReportDetail
{
public class CrystalReportProcessor:IReportProcessor
{
public CrystalReportProcessor()
{
Console.WriteLine("this is CrystalReportProcessor class.");
}
}
}

CellReportFactory.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
using CellReportDetail;
namespace FactoryDetail
{
public class CellReportFactory:IReportFactory
{
public IReportObject CreateReportObject()
{
return new CellReportObject();
}
public IReportFormat CreateReportFormat()
{
return new CellReportFormat();
}
public IReportProcessor CreateReportProcessor()
{
return new CellReportProcessor();
}
}
}

CrystalReportFactory.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
using CrystalReportDetail;
namespace FactoryDetail
{
public class CrystalReportFactory:IReportFactory
{
public IReportObject CreateReportObject()
{
return new CrystalReportObject() ;
}
public IReportFormat CreateReportFormat()
{
return new CrystalReportFormat();
}
public IReportProcessor CreateReportProcessor()
{
return new CrystalReportProcessor();
}
}
}

ReportUtil.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory ;
using FactoryDetail ;
namespace TestAbstractFactory
{
class ReportUtil
{
public static IReportFactory reportFactory = new CellReportFactory();
}
}

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AbstractFactory;
namespace TestAbstractFactory
{
class Program
{
static void Main(string[] args)
{
IReportObject reportObject = ReportUtil.reportFactory.CreateReportObject();
}
}
}