Client
package SC15;

public class Client {
    public static void main(String[] args) {
        Leader zhuren,depthManger,fmanger,manger;
        Order danzi=new Order();
        manger=new manger("总经理");
       fmanger =new fmanger("副总经理",manger);
        depthManger=new depthManger("部门经理",fmanger);
        zhuren=new zhuren("主任",depthManger);
        danzi.setMoney(5000);
        zhuren.approvel(danzi);
        System.out.println("--------—----------------------------");
        danzi.setMoney(50000);
        zhuren.approvel(danzi);
        System.out.println("--------—----------------------------");
        danzi.setMoney(1000000);
        zhuren.approvel(danzi);

    }
}

Order
package SC15;

public class Order {
    private double money;

    public double getMoney() {
        return money;
    }

    public void setMoney(double a) {
        money = a;
    }
}

Leader
package SC15;

public abstract class Leader {
    protected String name;
    protected Leader successor;
    public Leader(String a){name=a;}
    public void setSuccessor(Leader a){
        successor=a;
    }
    public Leader(String a,Leader b){
        name=a;
        successor=b;
    }

    public abstract void approvel(Order dan);
}

zhuren
package SC15;

public class zhuren extends Leader{

    public zhuren(String a) {
        super(a);
    }
    public zhuren(String a,Leader b){
        super(a,b);
    }
    public void approvel(Order dan) {
        if(dan.getMoney()<=10000){
            System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单");
        }else {
            System.out.println(name+"不能审批1万元以上的采购单");
            this.successor.approvel(dan);
        }
    }

}

depthManger
package SC15;

public class depthManger extends Leader{

    public depthManger(String a) {
        super(a);
    }
    public depthManger (String a,Leader b){
        super(a,b);
    }
    public void approvel(Order dan) {
        if(dan.getMoney()<=50000){
            System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单");
        }else {
            System.out.println(name+"不能审批5万元以上的采购单");
            this.successor.approvel(dan);
        }
    }

}

manger
package SC15;

public class manger extends Leader{

    public manger(String a) {
        super(a);
    }
    public manger (String a,Leader b){
        super(a,b);
    }
    public void approvel(Order dan) {
        if(dan.getMoney()<=200000){
            System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单");
        }else {
            System.out.println(name+"不能审批20万元以上的采购单");
            System.out.println("这个"+dan.getMoney()+"元的采购单"+"需要职工大会确定");
        }
    }

}

fmanger
package SC15;

public class fmanger extends Leader{

    public fmanger(String a) {
        super(a);
    }
    public fmanger(String a,Leader b){
        super(a,b);
    }
    public void approvel(Order dan) {
        if(dan.getMoney()<=100000){
            System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单");
        }else {
            System.out.println(name+"不能审批10万元以上的采购单");
            this.successor.approvel(dan);
        }
    }

}