abstract class Approver
{
protected String name;
protected Approver successor;
public Approver(String name)
{
this.name=name;
}
public void SetSuccessor(Approver successor)
{
this.successor=successor;
}
public abstract void ProcessRequest(PurchaseRequest request);
}
class Director extends Approver
{
public Director(String name)
{
super(name);
}
public void ProcessRequest(PurchaseRequest request)
{
if(request.getAmount()<10000.0)
{
System.out.println("Director " + name + " handles the Request:" + request.getNumber() + ",amount is " + request.getAmount());
}
else
{
if(successor!=null)
successor.ProcessRequest(request);
}
}
}
class ViceCEO extends Approver
{
public ViceCEO(String name)
{
super(name);
}
public void ProcessRequest(PurchaseRequest request)
{
if(request.getAmount()<50000.0)
{
System.out.println("ViceCEO " + name + " handles the Request:" + request.getNumber() + ",amount is " + request.getAmount());
}
else
{
if(successor!=null)
successor.ProcessRequest(request);
}
}
}
class CEO extends Approver
{
public CEO(String name)
{
super(name);
}
public void ProcessRequest(PurchaseRequest request)
{
if(request.getAmount()<100000.0)
{
System.out.println("CEO " + name + " handles the Request:" + request.getNumber() + ",amount is " + request.getAmount());
}
else
{
System.out.println("Need a meeting for Request:" + request.getNumber() + ",amount is " + request.getAmount());
}
}
}
class PurchaseRequest
{
private int number;
private double amount;
private String purpose;
public PurchaseRequest(int number,double amount,String purpose)
{
this.number=number;
this.amount=amount;
this.purpose=purpose;
}
public double getAmount()
{
return amount;
}
public void setAmount(double amount)
{
this.amount=amount;
}
public int getNumber()
{
return number;
}
public void setNumber(int number)
{
this.number=number;
}
public String getPurpose()
{
return purpose;
}
public void setPurpose(String purpose)
{
this.purpose=purpose;
}
}
class Client
{
public static void main(String[] a)
{
Director zhangsan=new Director("zhangsan");
ViceCEO lisi=new ViceCEO("lisi");
CEO wangwu=new CEO("wangwu");
zhangsan.SetSuccessor(lisi);
lisi.SetSuccessor(wangwu);
PurchaseRequest pr1=new PurchaseRequest(1001,6000,"Project1");
zhangsan.ProcessRequest(pr1);
PurchaseRequest pr2=new PurchaseRequest(1002,16000,"Project2");
zhangsan.ProcessRequest(pr2);
PurchaseRequest pr3=new PurchaseRequest(1003,86000,"Project3");
zhangsan.ProcessRequest(pr3);
PurchaseRequest pr4=new PurchaseRequest(1004,186000,"Project4");
zhangsan.ProcessRequest(pr4);
}
}
.rar （81个子文件） 
设计模式 Decoration模式 
Decoration.java 1KB AbstractFactory模式 ObjectOrientedModel_5.oom 39KB ObjectOrientedModel_2.oom 60KB ObjectOrientedModel_2.oob 60KB AbstractFactory.java 3KB FlyWeight模式 Flyweight.java 884B Bridge模式 Peg.java 697B Clean.java 879B Bridge.java 1KB Facade模式 Facade.java 3KB Builder模式 Builder.java 2KB Command模式 LightOnCommand.class 364B FanOffCommand.class 359B Command.java 2KB Switch.class 456B Light.class 475B FanOnCommand.class 359B Fan.class 492B Client.class 638B LightOffCommand.class 366B Command.class 119B Chain Of Responsibility Pattern模式 ChainOfRes.java 3KB Observer模式 Observer.java 1KB StockObserver.java 2KB Visitor模式 Car.class 724B Visitor.java 2KB Visitor.class 185B Body.class 302B Wheel.class 463B Engine.class 306B visitor2 Car.class 724B Visitor.java 2KB Visitor.class 185B Body.class 302B Policeman.class 1KB Wheel.class 463B Engine.class 306B Client.class 490B Engineer.class 1KB Visitor1.java 2KB Client.class 470B Engineer.class 1KB 中介者模式 MutilThread.java 1KB ChatRoom.java 2KB ProtoType模式 deepProtoType.java 3KB DCopy.java 3KB Prototype1.java 1KB ObjectOrientedModel_1.oom 30KB Monkey.class 1KB ProtoType.class 1KB ProtoType.java 2KB GoldRingedStaff.class 771B ObjectOrientedModel_1.oob 30KB deepProtoType.class 1KB SimpleFactory模式 SimpleFactory.java 919B Template模式 TemplateTest.java 814B Interator模式 CollectionDemo.java 406B MyIterator.java 1KB state模式 AccountState.java 3KB State.java 1018B Memento模式 Memento.java 2KB Adapter模式 DAdpater.java 1KB J2SEAdapter.java 187B FactoryMethod模式 FactoryMethod.java 1004B Composite模式 NewImage.class 725B MyFrame.class 425B Page.class 421B NewCharacter.class 733B DocumentElement.class 126B CompositeDocumentElement.class 611B Composite.java 1KB Client.class 583B Proxy模式 MathProxy.java 700B Proxy1.java 482B Proxy.java 2KB ProxyDemo.java 793B Simpleton模式 NewSingleton.java 530B Singleton.class 195B Singleton_new.java 558B Singleton.java 632B SingletonChild.class 372B
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