Java 设计模式之建造模式

最新推荐文章于 2025-08-21 11:11:29 发布

转载最新推荐文章于 2025-08-21 11:11:29 发布 · 43 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/verejava/p/9237006.html

文章标签：

#设计模式 #java

本文通过一个具体的汽车构建实例，详细介绍了建造者模式的设计原理及其实现方式。文章展示了如何使用建造者模式来分离产品的构建过程与产品的组成部分，使得构建复杂对象的过程更加清晰且易于扩展。

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package com.builder.theory;

public class TestBuilder
{
    public static void main(String[] args)
    {
        Car car=Director.construct(new ConcreteBuilder());
        System.out.println(car.getHead());
        System.out.println(car.getBody());
        System.out.println(car.getFoot());
    }
}





package com.builder.theory;

public class Car
{
    private String head;
    private String body;
    private String foot;
    
    public String getHead()
    {
        return head;
    }
    public void setHead(String head)
    {
        this.head = head;
    }
    public String getBody()
    {
        return body;
    }
    public void setBody(String body)
    {
        this.body = body;
    }
    public String getFoot()
    {
        return foot;
    }
    public void setFoot(String foot)
    {
        this.foot = foot;
    }
    
    
}





package com.builder.theory;

public class Director
{
    public static Car construct(Builder builder)
    {
        builder.buildHead();
        builder.buildBody();
        builder.buildFoot();
        return builder.buildPart();
    }
}





package com.builder.theory;

public interface Builder
{
    public void buildHead();
    public void buildBody();
    public void buildFoot();
    public Car buildPart();
}





package com.builder.theory;

public class ConcreteBuilder implements Builder
{
    Car car=null;
    
    public ConcreteBuilder()
    {
        car=new Car();
    }
    

    @Override
    public void buildHead()
    {
        car.setHead("汽车头部建造完成");
        
    }

    @Override
    public void buildBody()
    {
        car.setBody("汽车身体建造完成");
    }

    @Override
    public void buildFoot()
    {
        car.setFoot("汽车尾部建造完成");
    }

    @Override
    public Car buildPart()
    {
        return car;
    }

}

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转载于:https://www.cnblogs.com/verejava/p/9237006.html