Java 设计模式 之 流模式

http://www.verejava.com/?id=16999114235569

package com.flow.theory;

public class Test
{
    public static void main(String[] args)
    {
        Context ctx=new Context();
        ctx.setFlow(new ApplyFlow());
        ctx.process();
        
        ctx.setFlow(new VerfiyFlow());
        ctx.process();
        
        ctx.setFlow(new ApproveFlow());
        ctx.process();
    }
}





package com.flow.theory;

public interface Flow
{
    public void action();
}





package com.flow.theory;

public class VerfiyFlow implements Flow
{

    @Override
    public void action()
    {
        System.out.println("审核");
    }

}





package com.flow.theory;

public class ApplyFlow implements Flow
{

    @Override
    public void action()
    {
        System.out.println("申请");
    }

}





package com.flow.theory;

public class ApproveFlow implements Flow
{

    @Override
    public void action()
    {
        System.out.println("审批");
    }

}






package com.flow.theory;

public class Context
{
    private Flow flow;
    
    public void setFlow(Flow flow)
    {
        this.flow=flow;
    }
    
    public void process()
    {
        flow.action();
    }
}

http://www.verejava.com/?id=16999114235569

Java 设计模式 之 流模式

原文：https://www.cnblogs.com/verejava/p/9237037.html