职责链模式

java


//Order.java
package shiyan15;
/**
 * @Description：采购单类
 * @author 张紫诺
 *
 */
public class Order {
    private double money;
    public double getMoney(){
        return money;
    }
    public void setMoney(double a){
        money=a;
    }
}
//Leader.java
package shiyan15;
/**
 * @Description：抽象处理者
 * @author 张紫诺
 *
 */
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.java
package shiyan15;
/**
 * @Description：具体处理者：主任类
 * @author 张紫诺
 *
 */
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);
        }
    }

}
//Fuzong.java
package shiyan15;
/**
 * @Description：具体处理者：副总经理类
 * @author 张紫诺
 *
 */
public class Fuzong extends Leader{

    public Fuzong(String a) {
        super(a);
    }
    public Fuzong(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);
        }
    }

}

//Zong.java
package shiyan15;
/**
 * @Description：具体处理者：总经理类
 * @author 张紫诺
 *
 */
public class Zong extends Leader{

    public Zong(String a) {
        super(a);
    }
    public Zong(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");
        }
    }

}
//Bumen.java

package shiyan15;
/**
 * @Description：具体处理者：部门经理类
 * @author 张紫诺
 *
 */
public class Bumen extends Leader{

    public Bumen(String a) {
        super(a);
    }
    public Bumen(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);
        }
    }

}
//Client.java
package shiyan15;

public class Client {
    public static void main(String[] args) {
        Leader zhuren,bumen,fuzong,zong;
        Order danzi=new Order();
        zong=new Zong("总经理");
        fuzong=new Fuzong("副总经理",zong);
        bumen=new Bumen("部门经理",fuzong);
        zhuren=new Zhuren("主任",bumen);
        danzi.setMoney(5000);
        zhuren.approvel(danzi);
        System.out.println("--------—----------------------------");
        danzi.setMoney(50000);
        zhuren.approvel(danzi);
        System.out.println("--------—----------------------------");
        danzi.setMoney(1000000);
        zhuren.approvel(danzi);
        
    }
}





c++


#include<iostream>
using namespace std;
#include<string>
//抽象管理者
class Manager
{
protected:
    Manager *m_manager;
    string m_name;
public:
    Manager(Manager *manager, string name) :m_manager(manager), m_name(name){}
    virtual void DealWithRequest(string name, int num)  {}
};
//主任
class Zhuren : public Manager
{
public:
    Zhuren(Manager *manager, string name) :Manager(manager, name) {}
    void DealWithRequest(string name, int num)
    {
        if (num < 10000)
        {
            cout << "主任" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl;
        }
        else
        {
            cout << "主任" << m_name << "无法处理，交由部门经理处理" << endl;
            m_manager->DealWithRequest(name, num);
        }
    }
};
//部门经理
class Bumen : public Manager
{
public:
    Bumen(Manager *manager, string name) :Manager(manager, name) {}
    void DealWithRequest(string name, int num)
    {
        if (num < 50000)
        {
            cout << "部门经理" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl;
        }
        else
        {
            cout << "部门经理" << m_name << "无法处理，交由副总经理处理" << endl;
            m_manager->DealWithRequest(name, num);
        }
    }
};
//副总经理
class  Fuzong : public Manager
{
public:
    Fuzong(Manager *manager, string name) :Manager(manager, name) {}
    void DealWithRequest(string name, int num)
    {
        if (num < 100000)
        {
            cout << "副总经理" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl;
        }
        else
        {
            cout << "副总经理" << m_name << "无法处理，交由总经理处理" << endl;
            m_manager->DealWithRequest(name, num);
        }
    }
};
//总经理
class  Zong : public Manager
{
public:
    Zong(Manager *manager, string name) :Manager(manager, name) {}
    void DealWithRequest(string name, int num)
    {
        if (num < 200000)
        {
            cout << "总经理" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl;
        }
        else
        {
            cout << "总经理" << m_name << "无法处理，召开职工大会处理" << endl;
            m_manager->DealWithRequest(name, num);
        }
    }
};
class Congress : public Manager
{
public:
    Congress(Manager *manager, string name) :Manager(manager, name) {}
    void DealWithRequest(string name, int num)
    {
        cout << "职工大会" << m_name << "审批采购单：" << name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl;
    }
};
//主函数
int main()
{
    //设置上级
    Manager *congress = new Congress(NULL, "");
    Manager *zong = new Zong(congress, "赵六");
    Manager *fuzong = new Fuzong(zong, "王五");
    Manager *bumen = new Bumen(fuzong, "李四");
    Manager *zhuren = new Zhuren(bumen, "张三");
    zhuren->DealWithRequest("001", 5000);
    cout<<"-----------------------------------------"<<endl;
    zhuren->DealWithRequest("002", 10000);
    cout<<"-----------------------------------------"<<endl;
    zhuren->DealWithRequest("003", 60000);
    cout<<"-----------------------------------------"<<endl;
    zhuren->DealWithRequest("004", 110000);
    cout<<"-----------------------------------------"<<endl;
    zhuren->DealWithRequest("005", 300000);
    cout<<"-----------------------------------------"<<endl;
    delete zhuren;
    delete bumen;
    delete fuzong;
    delete zong;
    delete congress;
    system("pause");
    return 0;
}