2024.12.11

 

public abstract class Leader

{

    protected String name;

    protected Leader successor;

 

    public Leader(String name)

    {

        this.name = name;

    }

 

    public void setSuccessor(Leader successor)

    {

        this.successor = successor;

    }

 

    public abstract void handleRequest(PurchaseRequest request);

}

 

public class DepartmentManager extends Leader

{

    public DepartmentManager(String name)

    {

        super(name);

    }

 

    @Override

    public void handleRequest(PurchaseRequest request)

    {

        if (request.getMoney() <= 50000)

        {

            System.out.println("部门经理" + name + "审批采购单，采购单单号为：" + request.getId() + ",金额为：" + request.getMoney() + "元");

        } else

        {

            if (this.successor != null)

            {

                this.successor.handleRequest(request);

            }

        }

    }

}

 

public class Director extends Leader

{

    public Director(String name)

    {

        super(name);

    }

 

    @Override

    public void handleRequest(PurchaseRequest request)

    {

        if (request.getMoney() <= 10000)

        {

            System.out.println("主任" + name + "审批采购单，采购单单号为：" + request.getId() + ",金额为：" + request.getMoney() + "元");

        } else

        {

            if (this.successor != null)

            {

                this.successor.handleRequest(request);

            }

        }

    }

}

 

public class GeneralManager extends Leader

{

    public GeneralManager(String name)

    {

        super(name);

    }

 

    @Override

    public void handleRequest(PurchaseRequest request)

    {

        if (request.getMoney() <= 200000)

        {

            System.out.println("总经理" + name + "审批采购单，采购单单号为：" + request.getId() + ",金额为：" + request.getMoney() + "元");

        } else

        {

            System.out.println("采购单单号为：" + request.getId() + ",金额为：" +request.getMoney() + "元，金额太大，需开职工大会确定是否审批通过");

        }

    }

}

 

public class Manager extends Leader

{

 

    public Manager(String name)

    {

        super(name);

    }

 

    @Override

    public void handleRequest(PurchaseRequest request)

    {

        if (request.getMoney() <= 100000)

        {

            System.out.println("副总经理" + name + "审批采购单，采购单单号为：" + request.getId() + ",金额为：" + request.getMoney() + "元");

        } else

        {

            if (this.successor != null)

            {

                this.successor.handleRequest(request);

            }

        }

    }

}

 

public class PurchaseRequest

{

    private int money;

    private int id;

 

    public PurchaseRequest(int id, int money)

    {

        this.id = id;

        this.money = money;

    }

 

    public int getMoney()

    {

        return money;

    }

 

    public void setMoney(int money)

    {

        this.money = money;

    }

 

    public int getId()

    {

        return id;

    }

 

    public void setId(int id)

    {

        this.id = id;

    }

}

 

public class Main

{

    public static void main(String[] args)

    {

        Leader objDirector, objDepartmentManager, objManager, objGeneralManager;

 

        objDirector = new Director("小明");

        objDepartmentManager = new DepartmentManager("小李");

        objManager = new Manager("小王");

        objGeneralManager = new GeneralManager("小马");

 

        objDirector.setSuccessor(objDepartmentManager);

        objDepartmentManager.setSuccessor(objManager);

        objManager.setSuccessor(objGeneralManager);

 

        PurchaseRequest pr1=new PurchaseRequest(1,10000);

        objDirector.handleRequest(pr1);

 

        PurchaseRequest pr2=new PurchaseRequest(2,50000);

        objDirector.handleRequest(pr2);

 

        PurchaseRequest pr3=new PurchaseRequest(3,100000);

        objDirector.handleRequest(pr3);

 

        PurchaseRequest pr4=new PurchaseRequest(4,200000);

        objDirector.handleRequest(pr4);

 

        PurchaseRequest pr5=new PurchaseRequest(5,200001);

        objDirector.handleRequest(pr5);

    }

}