# Java-day17(项目三 1、开发团队调度软件实现部分)

  • com.atguigu.team.domain
  • Architect.java
  • Designer.java
  • Employee.java
  • Equipment.java
  • NoteBook.java
  • PC.java
  • Printer.java
  • Programmer.java
  • com.atguigu.team.service
  • Data.java
  • NameListService.java
  • Status.java
  • TeamException.java
  • TeamService.java
  • com.atguigu.team.view
  • TeamView.java
  • TSUtility.java


com.atguigu.team.domain

Architect.java

package com.atguigu.team.domain;

public class Architect extends Designer {

	private int stock;//股票

	public Architect(int id, String name, int age, double salary, Equipment equipment, double bonus, int stock) {
		super(id, name, age, salary, equipment, bonus);
		this.stock = stock;
	}

	public Architect() {
		super();
	}

	public int getStock() {
		return stock;
	}

	public void setStock(int stock) {
		this.stock = stock;
	}
	
	public String toString() {
		return getDetails()+"\t设计师\t"+getStatus()+"\t"+getBonus()+"\t"+stock+"\t"+getEquipment().getDescription();
	}

	
	//1/2	马化腾	32	18000.0	架构师	15000.0	2000
	public String getDetailsForTeam()
	{
		return getTeamBaseDetails()+"\t"+"架构师\t"+getBonus()+"\t"+getStock();
	}

}

Designer.java

package com.atguigu.team.domain;

public class Designer extends Programmer {

	private double bonus;//奖金

	public Designer(int id, String name, int age, double salary, Equipment equipment, double bonus) {
		super(id, name, age, salary, equipment);
		this.bonus = bonus;
	}

	public Designer() {
		super();
	}

	public double getBonus() {
		return bonus;
	}

	public void setBonus(double bonus) {
		this.bonus = bonus;
	}
	
	@Override
	public String toString() {
		return getDetails()+"\t设计师\t"+getStatus()+"\t"+bonus+"\t\t"+getEquipment().getDescription();
	}
	
	//3/5	雷军	28 10000.0	设计师	5000.0
		public String getDetailsForTeam()
		{
			return getTeamBaseDetails()+"\t"+"设计师\t"+getBonus();
		}
	
}

Employee.java

package com.atguigu.team.domain;

public class Employee {

	private int id;
	private String name;
	private int age;
	private double salary;
	
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public double getSalary() {
		return salary;
	}
	public void setSalary(double salary) {
		this.salary = salary;
	}
	public Employee() {
		super();
	}
	public Employee(int id, String name, int age, double salary) {
		super();
		this.id = id;
		this.name = name;
		this.age = age;
		this.salary = salary;
	}
	
	public String getDetails()
	{
		return id+"\t"+name+"\t"+age+"\t"+salary;
	}
	
	@Override
	public String toString() {
		return getDetails();
	}
	
}

Equipment.java

package com.atguigu.team.domain;

public interface Equipment {

	String getDescription();
}

NoteBook.java

package com.atguigu.team.domain;

public class NoteBook implements Equipment{
	private String model;//机器型号
	private double price;//价格
	public String getModel() {
		return model;
	}
	public void setModel(String model) {
		this.model = model;
	}
	public double getPrice() {
		return price;
	}
	public void setPrice(double price) {
		this.price = price;
	}
	public NoteBook(String model, double price) {
		super();
		this.model = model;
		this.price = price;
	}
	public NoteBook() {
		super();
	}
	@Override
	public String getDescription() {
		return model+"("+price+")";
	}
	
	

}

PC.java

package com.atguigu.team.domain;

public class PC implements Equipment{

	private String model;//机器型号
	private String display;//显示器名称
	public String getModel() {
		return model;
	}
	public void setModel(String model) {
		this.model = model;
	}
	public String getDisplay() {
		return display;
	}
	public void setDisplay(String display) {
		this.display = display;
	}
	public PC(String model, String display) {
		super();
		this.model = model;
		this.display = display;
	}
	public PC() {
		super();
	}
	@Override
	public String getDescription() {
		return model+"("+display+")";
	}
	
	
}

Printer.java

package com.atguigu.team.domain;

public class Printer implements Equipment{
	private String name;//机器型号
	private String type;//机器类型
	
	public Printer(String name, String type) {
		super();
		this.name = name;
		this.type = type;
	}
	public Printer() {
		super();
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getType() {
		return type;
	}
	public void setType(String type) {
		this.type = type;
	}
	@Override
	public String getDescription() {
		return name+"("+type+")";
	}

}

Programmer.java

package com.atguigu.team.domain;

import com.atguigu.team.service.Status;

public class Programmer extends Employee{

	private int memberId;//开发团队中的id
	private Status status=Status.FREE;
	private Equipment equipment;
	
	public int getMemberId() {
		return memberId;
	}
	public void setMemberId(int memberId) {
		this.memberId = memberId;
	}
	public Status getStatus() {
		return status;
	}
	public void setStatus(Status status) {
		this.status = status;
	}
	public Equipment getEquipment() {
		return equipment;
	}
	public void setEquipment(Equipment equipment) {
		this.equipment = equipment;
	}
	public Programmer(int id, String name, int age, double salary, Equipment equipment) {
		super(id, name, age, salary);
		this.equipment = equipment;
	}
	public Programmer() {
		super();
	}
	
	@Override
	public String toString() {
		return super.getDetails()+"\t程序员\t"+status+"\t\t\t"+equipment.getDescription();
	}
	
	public String getTeamBaseDetails()
	{
		return memberId+"/"+getId()+"\t"+getName()+"\t"+getAge()+"\t"+getSalary();
	}
	//2/6	任志强	22	6800.0	程序员
	public String getDetailsForTeam()
	{
		return getTeamBaseDetails()+"\t"+"程序员";
	}
	
}

com.atguigu.team.service

Data.java

package com.atguigu.team.service;



public class Data {
    public static final int EMPLOYEE = 10;
    public static final int PROGRAMMER = 11;
    public static final int DESIGNER = 12;
    public static final int ARCHITECT = 13;

    public static final int PC = 21;
    public static final int NOTEBOOK = 22;
    public static final int PRINTER = 23;

    //Employee  :  10, id, name, age, salary
    //Programmer:  11, id, name, age, salary
    //Designer  :  12, id, name, age, salary, bonus
    //Architect :  13, id, name, age, salary, bonus, stock
    public static final String[][] EMPLOYEES = {
        {"10", "1", "马云", "22", "3000"},
        {"13", "2", "马化腾", "32", "18000", "15000", "2000"},
        {"11", "3", "李彦宏", "23", "7000"},
        {"11", "4", "刘强东", "24", "7300"},
        {"12", "5", "雷军", "28", "10000", "5000"},
        {"11", "6", "任志强", "22", "6800"},
        {"12", "7", "柳传志", "29", "10800","5200"},
        {"13", "8", "杨元庆", "30", "19800", "15000", "2500"},
        {"12", "9", "史玉柱", "26", "9800", "5500"},
        {"11", "10", "丁磊", "21", "6600"},
        {"11", "11", "张朝阳", "25", "7100"},
        {"12", "12", "杨致远", "27", "9600", "4800"}
    };
    
    //如下的EQUIPMENTS数组与上面的EMPLOYEES数组元素一一对应
    //PC      :21, model, display
    //NoteBook:22, model, price
    //Printer :23, name, type 
    public static final String[][] EQUIPMENTS = {
        {},
        {"22", "联想T4", "6000"},
        {"21", "戴尔", "NEC17寸"},
        {"21", "戴尔", "三星 17寸"},
        {"23", "佳能 2900", "激光"},
        {"21", "华硕", "三星 17寸"},
        {"21", "华硕", "三星 17寸"},
        {"23", "爱普生20K", "针式"},
        {"22", "惠普m6", "5800"},
        {"21", "戴尔", "NEC 17寸"},
        {"21", "华硕","三星 17寸"},
        {"22", "惠普m6", "5800"}
    };
}

NameListService.java

package com.atguigu.team.service;

import com.atguigu.team.domain.Architect;
import com.atguigu.team.domain.Designer;
import com.atguigu.team.domain.Employee;
import com.atguigu.team.domain.Equipment;
import com.atguigu.team.domain.NoteBook;
import com.atguigu.team.domain.PC;
import com.atguigu.team.domain.Printer;
import com.atguigu.team.domain.Programmer;

import static com.atguigu.team.service.Data.*;

/**
 * 
 * @Description 负责将Data中的数据封装到Employee[]数组中,同时提供相关操作Employee[]的方法。
 * @author     makabaka  Email:…………
 * @version
 * @date
 */
public class NameListService {

	private Employee[] employees;
	
	
	/**
	 * 给employees及数组元素进行初始化。
	 */
	public NameListService()
	{
//		1.根据项目提供的Data类构建相应大小的employees数组
//		2.再根据Data类中的数据构建不同的对象,包括Employee、Programmer、Designer和Architect对象,以及相关联的Equipment子类的对象
//		3.将对象存于数组中
		
		employees=new Employee[EMPLOYEES.length];//import static com.atguigu.team.service.Data.*;
//		employees=new Employee[Data.EMPLOYEES.length];
		
		for(int i=0;i<employees.length;i++)
		{
			//获取员工的类型
			int type=Integer.parseInt(EMPLOYEES[i][0]);
			
			//获取Employee的四个基本信息
			int id=Integer.parseInt(EMPLOYEES[i][1]);
			String name=EMPLOYEES[i][2];
			int age=Integer.parseInt(EMPLOYEES[i][3]);
			double salary=Double.parseDouble(EMPLOYEES[i][4]);
			Equipment equipment;
			double bonus;
			int stock;
			
			switch(type) {
			case EMPLOYEE:
				employees[i]=new Employee(id, name, age, salary);
				break;
			case PROGRAMMER:
				equipment = createEquipment(i);
				employees[i]=new Programmer(id, name, age, salary, equipment);
				
				break;
			case DESIGNER:
				equipment = createEquipment(i);
				bonus=Double.parseDouble(EMPLOYEES[i][5]);
				employees[i]=new Designer(id, name, age, salary, equipment, bonus);
				break;
			case ARCHITECT:
				equipment = createEquipment(i);
				bonus=Double.parseDouble(EMPLOYEES[i][5]);
				stock=Integer.parseInt(EMPLOYEES[i][6]);
				employees[i]=new Architect(id, name, age, salary, equipment, bonus, stock);
				break;
			}
		}
		
	}
	
	
	
	
	//获取指定index上的员工的设备
	private Equipment createEquipment(int index) {
		int key = Integer.parseInt(EQUIPMENTS[index][0]);
		
		String modelOrName=EQUIPMENTS[index][1];
		switch(key)
		{
		case PC://21
			
			String display=EQUIPMENTS[index][2];
			return new PC(modelOrName,display);
			
		case NOTEBOOK://22
			
			double price=Double.parseDouble(EQUIPMENTS[index][2]);
			return new NoteBook(modelOrName,price);
			
		case PRINTER://23
			
			String type = EQUIPMENTS[index][2];
			return new Printer(modelOrName, type);
			
		}
		return null;
	}
	/**
	 * 
	 * 
	 * @Description  获取当前所有员工。
	 * @author makabaka
	 * @data   
	 * @return
	 */
	public Employee[] getAllEmployees()
	{
		return employees;
	}
	
	
	
	/**
	 * 
	 * @Description  获取指定ID的员工对象。
	 * @author makabaka
	 * @data   
	 * @param id
	 * @return
	 * @throws TeamException 
	 */
	public Employee getEmployee(int id) throws TeamException
	{
		for(int i=0;i<employees.length;i++)
		{
			if(employees[i].getId()==id)//若为Integer即类类型的,要用equals比较,因为会有-128到127
			{
				return employees[i];
			}
		}
		
		
		throw new TeamException("找不到指定的员工");
		//有两种选择,即try-catch和throws,这里是临时写的方法,会在teamview类中调用他们,在那里统一调用这些方法出异常后再try-catch,给用户一个提示
		//现在先不处理
		
		
		
		
		
		
		
		
	}
}

Status.java

package com.atguigu.team.service;
/**
 * 
 * @Description 表示员工的状态
 * 与单例模式类似,见package com.atguigu.java;Singletontest.java
 * 此为枚举
 *
 */
public class Status {

	private final String NAME;
	private Status(String name)
	{
		this.NAME=name;
		
	}
	public static final Status FREE=new Status("FREE");
	public static final Status BUSY=new Status("BUSY");
	public static final Status VOCATION=new Status("VOCATION");
	
	public String getNAME() {
		return NAME;
	}
	
	@Override
		public String toString() {
			return NAME;
		}
	
}

TeamException.java

package com.atguigu.team.service;
/**
 * 
 * @Description  自定义异常类
 * @author     makabaka  Email:…………
 * @version
 * @date
 */

/*
 * 用Exception还是RunTimeException,要看想编译时别报错,还是编译时也报错
 * Exception是编译时报错,即编译时就要去处理了
 */
public class TeamException extends Exception{
	
	static final long serialVersionUID = -33534329948L;
	
	public TeamException()
	{
		super();
	}
	
	public TeamException(String msg)
	{
		super(msg);
	}

	
}

TeamService.java

package com.atguigu.team.service;

import com.atguigu.team.domain.Architect;
import com.atguigu.team.domain.Designer;
import com.atguigu.team.domain.Employee;
import com.atguigu.team.domain.Programmer;

/**
 * 
 * @Description  关于开发团队成员的管理:添加、删除等。
 * @author     makabaka  Email:…………
 * @version
 * @date
 */
public class TeamService {

	private static int counter=1;//给memberId赋值使用
	private final int MAX_MEMBER=5;//限制开发团队人数
	private Programmer[] team=new Programmer[MAX_MEMBER];//保存开发团队成员
	private int total;//记录开发团队中实际人数
	
	
	/**
	 * 
	 * @Description  获取开发团队中的所有成员
	 * @author makabaka
	 * @data   
	 * @param e
	 */
	public Programmer[]	getTeam()
	{
		Programmer[] team=new Programmer[total];
		for(int i=0;i<team.length;i++)
		{
			team[i]=this.team[i];
		}
		return team;
	}
	
	
	/**
	 * 
	 * @Description  将指定的员工添加到开发团队中
	 * @author makabaka
	 * @data   
	 * @param e
	 * @throws TeamException 
	 */
	public void addMember(Employee e) throws TeamException
	{
//		成员已满无法添加
		if(total>=MAX_MEMBER)
		{
			throw new TeamException("成员已满无法添加");
		}
//		该成员不是开发人员,无法添加
		if(!(e instanceof Programmer))//看的是Programmer得实例,而不是Employee
		{
			throw new TeamException("该成员不是开发人员,无法添加");
		}
		
//		该员工已在本开发团队中
		if(isExist(e))
		{
			throw new TeamException("该员工已在本开发团队中");
		}
		
//		该员工已是某团队成员
//		该员正在休假,无法添加
		Programmer p=(Programmer)e;//一定不会出现ClassCastException
		if("BUSY".equalsIgnoreCase(p.getStatus().getNAME()))//if(p.getStatus().getNAME().equals("BUSY"))增加了空指针异常的风险
		{
			throw new TeamException("该员工已是某团队成员");
		}else if("VOCATION".equals(p.getStatus().getNAME()))//("VOCATION".equalsIgnoreCase(p.getStatus().getNAME()))忽略“”中大小写的情况下
		{
			throw new TeamException("该员正在休假,无法添加");
		}
//		团队中至多只能一名架构师
//		团队中至多只能两名设计师
//		团队中至多只能有三名程序员
		
		//获取team已有成员中架构师,设计师,程序员的人数
		int numOfArch=0,numOfDes=0,numOfPro=0;
		for(int i=0;i<total;i++)
		{
			if(team[i] instanceof Architect)
			{
				numOfArch++;
			}
			else if(team[i] instanceof Designer)
			{
				numOfDes++;
			}
			else if(team[i] instanceof Programmer)
			{
				numOfPro++;
			}
		}
		
		if(p instanceof Architect)
		{
			if(numOfArch>=1)
			{
				throw new TeamException("团队中至多只能一名架构师");
			}
			else if(numOfDes>=2)
			{
				throw new TeamException("团队中至多只能两名设计师");
			}
			else if(p instanceof Programmer)
			{
				if(numOfPro>=3)
				{
					throw new TeamException("团队中至多只能有三名程序员");
				}
			}
		}
		
		//此处的内存解析见日记
		//将p(或e)添加到现有的team中
		team[total++]=p;
		//p的属性赋值
		p.setStatus(Status.BUSY);
		p.setMemberId(counter++);
		
	}
	
	
	/**
	 * 
	 * @Description  判断指定的员工是否已经存在于现有的开发团队中
	 * @author makabaka
	 * @data   
	 * @param e
	 * @return
	 */
	private boolean isExist(Employee e) {
		for(int i=0;i<total;i++)
		{
			return team[i].getId()==e.getId();
		}
		return false;
	}

	
	/**
	 * 
	 * @Description 从团队中删除成员
	 * @author makabaka
	 * @data   
	 * @param memeberId
	 * @throws TeamException 
	 */
	

	public void removeMember(int memberId) throws TeamException
	{
		int i=0;
		for(;i<total;i++)
		{
			if(team[i].getMemberId()==memberId)
			{
				team[i].setStatus(Status.FREE);
				break;
			}
		}
		
		if(i==total)
		{
			throw new TeamException("找不到指定memberId的员工,删除失败");
		}
		for(int j=i+1;j<total;j++)
		{
			team[j-1]=team[j];
		}
		
//		for(int j=i;j<total-1;j++)
//		{
//			team[j]=team[j+1];
//		}
		
		team[--total]=null;
		
	}
	
	
	
	
	
	
	
	
	
	
	
	
	
	
}

com.atguigu.team.view

TeamView.java

package com.atguigu.team.view;

import com.atguigu.team.domain.Employee;
import com.atguigu.team.domain.Programmer;
import com.atguigu.team.service.NameListService;
import com.atguigu.team.service.TeamException;
import com.atguigu.team.service.TeamService;

public class TeamView {

	private NameListService listSvc=new NameListService();
	private TeamService teamSvc=new TeamService();
	
	public void enterMainMenu() 
	{
		boolean loopFlag=true;
		char menu=0;
		while(loopFlag)
		{
			if(menu!='1')
			{
				listAllEmployees();
			}
			System.out.print("1-团队列表 2-添加团队成员 3-删除团队成员 4-退出 请选择(1-4):");
			menu = TSUtility.readMenuSelection();
			switch(menu)
			{
			case '1':
				getTeam();
				break;
			case '2':
				addMember();
				break;
			case '3':
				deleteMember();
				break;
			case '4':
				System.out.println("确认是否退出(Y/N):");
				char isExit = TSUtility.readConfirmSelection();
				if(isExit=='Y')
				{
					loopFlag=false;
				}
				break;
			}
		}
	}
	/**
	 * 
	 * @Description  显式所有的员工信息
	 * @author makabaka
	 * @data
	 */
	private void listAllEmployees()
	{
//		System.out.println("显式公司所有的员工信息");
		System.out.println("-------------------------------开发团队调度软件-----------------------------\n");
		
		Employee[] employees = listSvc.getAllEmployees();
		//getAllEmployees()中可能会造一个语句:当没有员工可能会放回null,当真返回一个null可能会返回空指针,因此要写成下边的。
		if(employees==null || employees.length==0)
		{
			System.out.println("公司中没有任何员工信息!");
		}
		else
		{
			System.out.println("ID\t姓名\t年龄\t工资\t职位\t状态\t奖金\t股票\t领用设备");
			
			for(int i=0;i<employees.length;i++)
			{
				System.out.println(employees[i]);
			}
		}
		
		System.out.println("---------------------------------------------------------------------------");
		
		
	}
	
	private void getTeam()
	{
//		System.out.println("查看开发团队情况");
		System.out.println("----------------------团队成员列表------------------------\n");
		
		Programmer[] team = teamSvc.getTeam();
		if(team==null||team.length==0)
		{
			System.out.println("开发团队目前没有成员!");
		}
		else
		{
			System.out.println("TID/ID\t姓名\t年龄\t工资\t职位\t奖金\t股票\n");
			for(int i=0;i<team.length;i++)
			{
				System.out.println(team[i].getDetailsForTeam());
			}
		}
		
	}
	
	private void addMember()
	{
//		System.out.println("添加团队成员");
		System.out.println("--------------------添加成员----------------------");
		System.out.print("请输入要添加的员工ID");
		int id=TSUtility.readInt();
		
		try {
			Employee emp=listSvc.getEmployee(id);
			teamSvc.addMember(emp);
			System.out.println("添加成功");
			
		} 
		catch (TeamException e) 
		{
			System.out.println("添加失败,原因:"+e.getMessage());
		}
		//按回车键继续...
		TSUtility.readReturn();
	}
	private void deleteMember()
	{
//		System.out.println("删除团队成员");
		System.out.println("-------------------删除成员--------------------");
		System.out.print("请输入要删除员工的TID: ");
		int memberId = TSUtility.readInt();
		
		System.out.print("确认是否删除(Y/N): ");
		char isDelete = TSUtility.readConfirmSelection();
		if(isDelete=='N')
		{
			return;
		}
		
		
		try {
			teamSvc.removeMember(memberId);
			System.out.println("删除成功");
		} catch (TeamException e) {
			System.out.println("删除失败,原因: "+e.getMessage());
		}
		//按回车键继续...
		TSUtility.readReturn();
		
	}
	
	public static void main(String[] args) {
		TeamView view=new TeamView();
		view.enterMainMenu();
	}
}

TSUtility.java

package com.atguigu.team.view;


import java.util.*;
/**
 * 
 * @Description 项目中提供了TSUtility.java类,可用来方便地实现键盘访问。
 * @author shkstart  Email:shkstart@126.com
 * @version 
 * @date 2019年2月12日上午12:02:58
 *
 */
public class TSUtility {
    private static Scanner scanner = new Scanner(System.in);
    /**
     * 
     * @Description 该方法读取键盘,如果用户键入’1’-’4’中的任意字符,则方法返回。返回值为用户键入字符。
     * @author shkstart
     * @date 2019年2月12日上午12:03:30
     * @return
     */
	public static char readMenuSelection() {
        char c;
        for (; ; ) {
            String str = readKeyBoard(1, false);
            c = str.charAt(0);
            if (c != '1' && c != '2' &&
                c != '3' && c != '4') {
                System.out.print("选择错误,请重新输入:");
            } else break;
        }
        return c;
    }
	/**
	 * 
	 * @Description 该方法提示并等待,直到用户按回车键后返回。
	 * @author shkstart
	 * @date 2019年2月12日上午12:03:50
	 */
    public static void readReturn() {
        System.out.print("按回车键继续...");
        readKeyBoard(100, true);
    }
    /**
     * 
     * @Description 该方法从键盘读取一个长度不超过2位的整数,并将其作为方法的返回值。
     * @author shkstart
     * @date 2019年2月12日上午12:04:04
     * @return
     */
    public static int readInt() {
        int n;
        for (; ; ) {
            String str = readKeyBoard(2, false);
            try {
                n = Integer.parseInt(str);
                break;
            } catch (NumberFormatException e) {
                System.out.print("数字输入错误,请重新输入:");
            }
        }
        return n;
    }
    /**
     * 
     * @Description 从键盘读取‘Y’或’N’,并将其作为方法的返回值。
     * @author shkstart
     * @date 2019年2月12日上午12:04:45
     * @return
     */
    public static char readConfirmSelection() {
        char c;
        for (; ; ) {
            String str = readKeyBoard(1, false).toUpperCase();
            c = str.charAt(0);
            if (c == 'Y' || c == 'N') {
                break;
            } else {
                System.out.print("选择错误,请重新输入:");
            }
        }
        return c;
    }

    private static String readKeyBoard(int limit, boolean blankReturn) {
        String line = "";

        while (scanner.hasNextLine()) {
            line = scanner.nextLine();
            if (line.length() == 0) {
                if (blankReturn) return line;
                else continue;
            }

            if (line.length() < 1 || line.length() > limit) {
                System.out.print("输入长度(不大于" + limit + ")错误,请重新输入:");
                continue;
            }
            break;
        }

        return line;
    }
}