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第19章《组合模式》

发布时间:2020-12-13 20:56:18 所属栏目:百科 来源:网络整理
导读:/** @Author: cxh @CreateTime: 18/1/18 22:28 @ProjectName: JavaBaseTest */ public class Client{ public static void main(String[] args) { ConcreteCompany company=new ConcreteCompany("总公司"); FinanceDepartment financeDepartment=new FinanceD

/**

  • @Author: cxh

  • @CreateTime: 18/1/18 22:28

  • @ProjectName: JavaBaseTest
    */
    public class Client{
    public static void main(String[] args) {
    ConcreteCompany company=new ConcreteCompany("总公司");
    FinanceDepartment financeDepartment=new FinanceDepartment("总公司财务部");
    HRDepartment hrDepartment=new HRDepartment("总公司人力资源部");
    company.add(financeDepartment);
    company.add(hrDepartment);

     //一级分公司
     ConcreteCompany subCmp1=new ConcreteCompany("上海华东分公司");
     FinanceDepartment financeDepartment1=new FinanceDepartment("上海华东分公司财务部");
     HRDepartment hrDepartment1=new HRDepartment("上海华东分公司人力资源部");
     subCmp1.add(financeDepartment1);
     subCmp1.add(hrDepartment1);
     company.add(subCmp1);
    
     //二级分公司
     ConcreteCompany subCmp2=new ConcreteCompany("南京办事处");
     FinanceDepartment financeDepartment2=new FinanceDepartment("南京办事处财务部");
     HRDepartment hrDepartment2=new HRDepartment("南京办事处人力资源部");
     subCmp2.add(financeDepartment2);
     subCmp2.add(hrDepartment2);
     subCmp1.add(subCmp2);
    
     //二级分公司
     ConcreteCompany subCmp3=new ConcreteCompany("杭州办事处");
     FinanceDepartment financeDepartment3=new FinanceDepartment("杭州办事处财务部");
     HRDepartment hrDepartment3=new HRDepartment("杭州办事处人力资源部");
     subCmp3.add(financeDepartment3);
     subCmp3.add(hrDepartment3);
     subCmp1.add(subCmp3);
    
     //展示公司层级结构
     System.out.println("公司层级结构如下:");
     company.display(1);
    
     //展示各个部门职责
     System.out.println("各个部门职责如下:");
     company.lineOfDuty();

    }
    }



/**

  • @Author: cxh
  • @CreateTime: 18/1/18 21:46
  • @ProjectName: JavaBaseTest
    */
    public abstract class Company {
    private String name;
    Company(){}
    public Company(String name){
    this.name=name;
    }
    //添加子公司
    public abstract void add(Company company);
    //移除子公司
    public abstract void delete(Company company);
    //输出公司层级结构
    public abstract void display(int depth);
    //输出当前部门or子公司的职责
    public abstract void lineOfDuty();
    }


import sourcecode.analysis.Consumer;

import java.util.ArrayList;

/**

  • @Author: cxh

  • @CreateTime: 18/1/18 22:11

  • @ProjectName: JavaBaseTest
    */
    public class ConcreteCompany extends Company{
    private String name;
    public ConcreteCompany(String name){
    this.name=name;
    }
    ArrayList filiale=new ArrayList<>();//下属子公司或部门

    @Override
    public void add(Company company) {
    filiale.add(company);
    }

    @Override
    public void delete(Company company) {
    filiale.remove(company);
    }

    @Override
    public void display(int depth) {
    final int x=depth;
    StringBuilder sb=new StringBuilder();
    while (depth-->0)
    sb.append("-");
    Consumer consumer=s -> System.out.println(s);
    consumer.accept(sb+name);
    //子公司or部门显示
    filiale.stream().forEach(company -> company.display(x+2));
    }

    @Override
    public void lineOfDuty() {
    filiale.stream().forEach(company -> company.lineOfDuty());
    }
    }



import sourcecode.analysis.Consumer;

/**

  • @Author: cxh

  • @CreateTime: 18/1/18 21:58

  • @ProjectName: JavaBaseTest
    */
    public class FinanceDepartment extends Company {
    private String name;
    public FinanceDepartment(String name){
    this.name=name;
    }
    @Override
    public void add(Company company) {

    }

    @Override
    public void delete(Company company) {

    }

    @Override
    public void display(int depth) {
    StringBuilder sb=new StringBuilder();
    while (depth-->0)
    sb.append("-");
    Consumer consumer=s -> System.out.println(s);
    consumer.accept(sb+name);
    }

    @Override
    public void lineOfDuty() {
    Consumer consumer=s -> System.out.println(s);
    consumer.accept(name+"工作职责:公司财务管理");
    }
    }



import sourcecode.analysis.Consumer;

/**

  • @Author: cxh

  • @CreateTime: 18/1/18 21:50

  • @ProjectName: JavaBaseTest
    */
    public class HRDepartment extends Company {
    private String name;
    public HRDepartment(String name){
    this.name=name;
    }

    @Override
    public void add(Company company) {

    }

    @Override
    public void delete(Company company) {

    }

    @Override
    public void display(int depth) {
    StringBuilder sb=new StringBuilder();
    while (depth-->0)
    sb.append("-");
    Consumer consumer=s -> System.out.println(s);
    consumer.accept(sb+name);
    }

    @Override
    public void lineOfDuty() {
    Consumer consumer=s -> System.out.println(s);
    consumer.accept(name+"工作职责:员工招聘培训管理");
    }
    }

输出:

(编辑:李大同)

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