项目三——开发团队人员调度软件

项目三——开发团队人员调度软件

1. 项目需求

2. 项目最终结构

3. 具体实现

TSUtility.java

package 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;
    }
}

Data.java

package 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
	    /**
	     * {"10", "1", "马云", "22", "3000"},
	     * {"13", "2", "马化腾", "32", "18000", "15000", "2000"},
	     */
	    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"}
	    };
}

Equipment.java

package domain;

public interface Equipment {
	public abstract String getDescription();
}j

NoteBook.java

package domain;

public class NoteBook implements Equipment{
	private String model;  //model 表示机器的型号
	private double price;  // 价格
	
	public NoteBook() {
		
	}
	
	public NoteBook(String model, double price) {
		this.model = model;
		this.price = price;
	}

	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 String getDescription() {
		return model + "(" + price + ")";
	}
}

PC.java

package domain;

public class PC implements Equipment{
	private String model;
	private String display; // 表示显示器名称
	
	public PC() {
		
	}
	
	public PC(String model, String dispaly) {
		this.model = model;
		this.display = dispaly;
	}
	
	
	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 String getDescription() {
		return model + "(" + display + ")";
	}
}

Printer.java

package domain;

public class Printer implements Equipment{
	private String name;
	private String type; //表示机器的类型
	
	public Printer(String name, String type) {
		this.name = name;
		this.type = type;
	}

	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;
	}

	public String getDescription() {
		return name + "(" + type + ")";
	}
}

Employee.java

package domain;

public class Employee {
	private int id;
	private String name;
	private int age;
	private double salary;
	
	public Employee() {
		
	}
	
	public Employee(int id, String name, int age, double salary) {
		this.id = id;
		this.name = name;
		this.age = age;
		this.salary = 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 String getDetails() {
		return id + "\t" + name + "\t" + age + "\t" + salary;
	}
	
	@Override
	public String toString() {
		return getDetails();
	}
	
}

Programmer.java

package domain;

import 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 Programmer() {
		super();
	}
	
	public Programmer(int id, String name, int age, double salary, Equipment equipment) {
		super(id, name, age, salary);
		this.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;
	}

	@Override
	public String toString() {
		return getDetails() + "\t程序员\t" + status + "\t\t\t" + equipment.getDescription(); 
	}
	
	//2/6	任志强 	22	6800.0	程序员
	public String getDetailsForTeam() {
		return memberId + "/" + getId() + "\t" + getName() + "\t" + getAge() + "\t" + getSalary() + "\t程序员";
	}
}

Status.java

package service;

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

}

Designer.java

package domain;
/*
 * 	设计师与程序员的关系: 继承关系
 * 
 * 
 */
public class Designer extends Programmer {
	private double bonus; //奖金
	
	public Designer() {
		super();
	}
	
	public Designer(int id, String name, int age, double salary, Equipment equipment, double bonus) {
		super(id, name, age, salary, equipment);
		this.bonus = bonus;
	}

	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	100000.0	设计师	5000.0
	@Override
	public String getDetailsForTeam() {
		return getMemberId() + "/" + getId() + "\t" + getName() + "\t" + getAge() + "\t" + getSalary() + "\t设计师\t" + bonus;
	}
}

Architect.java

package domain;

public class Architect extends Designer {
	private int stock; //股票
	
	public Architect() {
		super();
	}
	
	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 int getStock() {
		return stock;
	}

	public void setStock(int stock) {
		this.stock = stock;
	}

	@Override
	public String toString() {
		return getDetails() + "\t架构师\t" + getStatus() + "\t" + getBonus() + "\t" + stock + "\t" + getEquipment().getDescription(); 
	}
	
	//1/2	马化腾	32	18000.0	架构师	15000.0	2000
	@Override
	public String getDetailsForTeam() {
		return getMemberId() + "/" + getId() + "\t" + getName() + "\t" + getAge() + "\t" + getSalary() + "\t架构师\t" + getBonus() + "\t" + stock;
	}
}

NameListService.java

package service;

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

public class NameListService {
	private Employee[] employee;
	
	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Archite3.将对象存于数组中
//		3.将对象存于数组中
		employee = new Employee[Data.EMPLOYEES.length];
		for (int i = 0;i < employee.length;i++) {
			int type = Integer.parseInt(Data.EMPLOYEES[i][0]);
			int id = Integer.parseInt(Data.EMPLOYEES[i][1]);
			String name = Data.EMPLOYEES[i][2]; 
			int age = Integer.parseInt(Data.EMPLOYEES[i][3]);
			double salary = Double.parseDouble(Data.EMPLOYEES[i][4]);
			Equipment equipment;
			double bonus;
			int stock;
			
			switch(type) {
				case Data.EMPLOYEE:
					employee[i] = new Employee(id, name, age, salary);
					break;
				case Data.PROGRAMMER:
					equipment = createEquipment(i);
					employee[i] = new Programmer(id, name, age, salary, equipment);
					break;
				case Data.DESIGNER:
					equipment = createEquipment(i);
					bonus = Double.parseDouble(Data.EMPLOYEES[i][5]);
					employee[i] = new Designer(id, name, age, salary, equipment, bonus);
					break;
				case Data.ARCHITECT:
					equipment = createEquipment(i);
					bonus = Double.parseDouble(Data.EMPLOYEES[i][5]);
					stock = Integer.parseInt(Data.EMPLOYEES[i][6]);
					employee[i] = new Architect(id, name, age, salary, equipment, bonus, stock);
					break;
			}
		}
	}
	
	//根据员工创建设备
	private Equipment createEquipment(int index) {
		int key = Integer.parseInt(Data.EQUIPMENTS[index][0]);
		String modelOrName = Data.EQUIPMENTS[index][1];
		switch(key) {
			case Data.PC: //21
				String display = Data.EQUIPMENTS[index][2];
				return new PC(modelOrName, display);
			case Data.NOTEBOOK: //22
				double price = Double.parseDouble(Data.EQUIPMENTS[index][2]);
				return new NoteBook(modelOrName, price);
			case Data.PRINTER: //23
				String type = Data.EQUIPMENTS[index][2];
				return new Printer(modelOrName, type);
		}
		return null;
	}
	
	// 返回所有员工
	public Employee[] getAllEmployees() {
		return employee;
	}
	
	// 返回指定id的员工
	public Employee getEmployee(int id) throws TeamException {
		for (int i = 0;i < employee.length;i++) {
			if (employee[i].getId() == id)
				return employee[i];
		}
		throw new TeamException("找不到指定员工");
	}
}

TeamService.java

package service;
/**
 * 关于开发团队成员的管理：删除，添加
 */

import domain.Architect;
import domain.Designer;
import domain.Employee;
import domain.Programmer;

public class TeamService {
	private static int counter = 1; // 给memberId赋值
	private final int MAX_MEMBER = 5; // 限制开发团队的人数
	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的人数
	
	/*
	 *	getTeam()方法：返回当前团队的所有对象
	 * 		返回：包含所有成员对象的数组，数组大小与成员人数一致
	 */
	public Programmer[] getTeam() {
		Programmer[] team = new Programmer[total];
		for (int i = 0;i < team.length;i++) {
			team[i] = this.team[i];
		}
		return team;
	}
	
	/*
	 *	addMember(e: Employee)方法：向团队中添加成员
	 * 		参数：待添加成员的对象
	 * 		异常：添加失败， TeamException中包含了失败原因
	 */
	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)){
			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;
		if ("BUSY".equals(p.getStatus().getNAME())) {
			throw new TeamException("该员工已是某团队成员 ");
		}else if("VOCATION".equals(p.getStatus().getNAME())) {
			throw new TeamException("该员正在休假，无法添加");
		}
		
		// 团队中至多只能有一名架构师
		// 团队中至多只能有两名设计师
		// 团队中至多只能有三名程序员
		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("团队中至多只能有一名架构师");
		else if (p instanceof Designer)
			if (numOfDes > 2)
				throw new TeamException("团队中至多只能有两名设计师");
		else if (p instanceof Programmer)
			if (numOfPro > 3)
				throw new TeamException("团队中至多只能有三名程序员");
		
		//
		team[total++] = p;
		p.setStatus(Status.BUSY);
		p.setMemberId(counter++);

	}
	
	// 检查员工e是否已在本开发团队中
	private boolean isExist(Employee e) {
		for (int i = 0;i < total;i++) {
			if (team[i].getId() == e.getId()) //  
				return true;
		}
		return false;
	}

	/*
	 *	removeMember(memberId: int)方法：从团队中删除成员
	 * 		参数：待删除成员的memberId
	 * 		异常：找不到指定memberId的员工，删除失败
	 */
	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;j < total - 1;j++) {
			team[j] = team[j+1];
		}
		team[--total] = null;
	}
	
}

TeamException.java

package service;

public class TeamException extends Exception{
	static final long serialVersionUID = 123456789L;
	
	public TeamException() {
		super();
	}
	
	public TeamException(String message) {
		super(message);
	}
}

TeamView.java

package view;


import java.util.Scanner;

import domain.Employee;
import domain.Programmer;
import service.NameListService;
import service.TeamException;
import service.TeamService;

public class TeamView {
	private NameListService listSvc = new NameListService();
	private TeamService teamSvc = new TeamService();
	
	public void enterMainMenu() {
		boolean isFlag = true;
		char menu = 0;
		while(isFlag){
			if (menu != '1') {
				listAllEmployees();
			}
			System.out.println("1.团队列表\t2.添加团队成员\t3.删除团队成员\t4.退出\t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.print("确认是否退出（Y/N)");
				char isExit = TSUtility.readConfirmSelection();
				if(isExit == 'Y') {
					isFlag = false;
				}
			}
		}
	}
	
	//以表格形式列出公司所有成员
	private void listAllEmployees() {
		System.out.println("--------------------------开发团队成员调度软件---------------------------------");
		Employee[] employees = listSvc.getAllEmployees();
		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\tname\tage\tsalary\tposition\tstatus\tbonus\tstock\tequipment");
			for (int i = 0;i < employees.length;i++) {
				System.out.println(employees[i]);
			}
		}
		System.out.println("****************************************************************");
	}
	
	//显示团队成员列表操作
	private void getTeam() {
		System.out.println("--------------------------团队成员列表-----------------------------------------");
		Programmer[] team = teamSvc.getTeam();
		if (team == null || team.length == 0) {
			System.out.println("开发团队中没有任何员工");
		}else {
			System.out.println("tid/id\tname\tage\tsalary\tposition\tstatus\tbonus\tstock\tequipment");
			for (int i = 0;i < team.length;i++) {
				System.out.println(team[i].getDetailsForTeam());
			}
		}
		System.out.println("****************************************************************");
	}
	
	//实现添加成员操作
	private void addMember() {
		System.out.println("--------------------------添加成员----------------------------------");
		System.out.println("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();
	}
	
	//实现删除成员操作
	private void deleteMember() {
		System.out.println("--------------------------添加成员---------------------------------------");
		System.out.println("请输入要添加的员工id:");
		int memberId = TSUtility.readInt();
		System.out.print("确认是否删除(Y/N):");
		char isDelete = TSUtility.readConfirmSelection();
		if (isDelete == 'Y') {
			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 tv = new TeamView();
		tv.enterMainMenu();
	}
}