Java 設計模式 之 流模式

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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("審核");    }}package com.flow.theory;public class ApplyFlow implements Flow{    @Override    public void action()    {        System.out.println("申請");    }}package com.flow.theory;public class ApproveFlow implements Flow{    @Override    public void action()    {        System.out.println("審批");    }}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 設計模式 之 流模式