Java项目三 开发团队调度软件

概述

这个项目来源同项目一、二，B站的尚硅谷java教程
项目规模不大，一天就可以完成，但是设计到了面向对象编程、接口的设计、异常处理等等，也算是比较精致，值得一做。


更详细的说明可以参考文档 提取码：8nd6 ，包含我的实现代码以及项目说明文档

我的代码

项目的结构如下：

domain：

//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;
	private Status status = Status.FREE;
	private Equipment equipment;
	
	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 setMemberld(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" + status + "\t\t\t" + equipment.getDescription();
	}
	
	protected String getMemberDetails() {
		return getMemberId() + "/" + getDetails();
	}
	
	public String getDetailsForTeam() {
		return getMemberDetails()+ "\t程序员";
	}
}

//Designer.java
package domain;

public class Designer extends Programmer {

	private double bonus;
	
	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;
	}
	
	public String getDetailsForteam() {
		return getMemberDetails() + "\t设计师" +"\t" +getBonus();
	}

	@Override
	public String toString() {
		return getDetails() + "\t设计师\t" + getStatus() + "\t" +getBonus() +"\t\t" + getEquipment().getDescription();
	}
}

//Architect.java
package domain;

public class Architect extends Designer {
	private int stock;
	
	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;
	}
	
	public String getDetailsForTeam() {
		return getMemberDetails() + "\t架构师" + "\t" + getBonus() + "\t" + getStock();
	}

	@Override
	public String toString() {
		return  getDetails() + "\t架构师\t" + getStatus() + "\t" + getBonus() + "\t" + getStock() + "\t" + getEquipment().getDescription();
	}
	
}

//Equipment.java
package domain;

public interface Equipment {
	
	String getDescription();
}

//PC.java
package domain;

public class PC implements Equipment{
	private String model;
	private String display;
	
	public PC() {}
	
	public PC(String model,String display) {
		this.model = model;
		this.display = display;
	}
	
	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;
	}

	@Override
	public String getDescription() {
		
		return model + "(" + display + ")";
	}

}

//NoteBook.java
package domain;

public class NoteBook implements Equipment{
	private String model;
	private double price;
	
	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;
	}

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

//Printer.java
package domain;

public class Printer implements Equipment {
	private String name;
	private String type;
	
	public Printer() {}
	
	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;
	}

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

}

service:

//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
    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"}
    };
}

//Status.java
package service;

public class Status {
	private final String stat;
	
	private Status(String stat) {
		this.stat = stat;
	}
	
	public static Status FREE = new Status("FREE");
	public static Status VOCATION = new Status("VOCATION");
	public static Status BUSY =new Status("BUSY");

	public String getStat() {
		return stat;
	}

	@Override
	public String toString() {
		return stat;
	}
	
}

//TeamException.java
package service;

public class TeamException extends Exception {
	static final long serialVersionUID = -33875169124229948L;
	
	public TeamException() {}
	
	public TeamException(String message) {
		super(message);
	}
}

//NameListService.java
package service;

import domain.*;

import static service.Data.*;

public class NameListService {
	private Employee[] employees;
	
	public NameListService() {
		employees = new Employee[EMPLOYEES.length];
		
		for(int i = 0;i<employees.length;i++) {
			int type = Integer.parseInt(EMPLOYEES[i][0]);
			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 = creatEquipment(i);
					employees[i] = new Programmer(id, name, age, salary, equipment);
					break;
				}
				case DESIGNER:{
					equipment = creatEquipment(i);
					bonus = Double.parseDouble(EMPLOYEES[i][5]);
					employees[i] = new Designer(id, name, age, salary, equipment, bonus);
					break;
				}
				case ARCHITECT:{
					equipment = creatEquipment(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;
				}
			}
		}
	}
	
	private Equipment creatEquipment(int index) {
		int type = Integer.parseInt(EQUIPMENTS[index][0]);
		switch (type) {
		case PC:
			return new PC(EQUIPMENTS[index][1], EQUIPMENTS[index][2]);
		case NOTEBOOK:
			int price = Integer.parseInt(EQUIPMENTS[index][2]);
			return new NoteBook(EQUIPMENTS[index][1], price);
		case PRINTER:
			return new Printer(EQUIPMENTS[index][1], EQUIPMENTS[index][2]);
		}
		return null;
	}
	
	public Employee[] getAllEmployees() {
		return employees;
	}
	
	public Employee getEmployee(int id) throws TeamException{
		for(Employee employee : employees) {
			if(employee.getId() == id) {
				return employee;
			}
		}
		throw new TeamException("该员工不存在");
	}
}

//TeamService.java
package service;

import domain.*;

public class TeamService {
	private int total = 0;
	private int counter = 1;
	private final int MAX_MEMBER = 5;
	private Programmer[] team = new Programmer[MAX_MEMBER];
	
	public TeamService() {}
	
	public Programmer[] getTeam() {
		Programmer[] team = new Programmer[total];
		for(int i=0;i<total;i++) {
			team[i] = this.team[i];
		}
		return team;
	}
	
	public void addMember(Employee e) throws TeamException {
		if(total >= MAX_MEMBER) throw new TeamException("成员已满，无法添加");
		if(! (e instanceof Programmer) ) throw new TeamException("该成员不是开发人员，无法添加");
		Programmer programmer = (Programmer) e;
		if(isExist(programmer)) throw new TeamException("该员工已在团队中");
		if(programmer.getStatus().getStat().equals("BUSY")) throw new TeamException("该员工已是某团队成员");
		if(programmer.getStatus().getStat().equals("VOCATION")) throw new TeamException("该员工正在休假，无法添加");
		
		int numOfArch = 0, numOfDsgn = 0, numOfPrg = 0;
        for (int i = 0; i < total; i++) {
            if (team[i] instanceof Architect) numOfArch++;
            else if (team[i] instanceof Designer) numOfDsgn++;
            else if (team[i] instanceof Programmer) numOfPrg++;
        }
        
        if (programmer instanceof Architect) {
            if (numOfArch >= 1) throw new TeamException("团队中至多只能有一名架构师");
        } else if (programmer instanceof Designer) {
            if (numOfDsgn >= 2) throw new TeamException("团队中至多只能有两名设计师");
        } else if (programmer instanceof Programmer) {
            if (numOfPrg >= 3) throw new TeamException("团队中至多只能有三名程序员");
        }
        
        programmer.setStatus(Status.BUSY);
        programmer.setMemberld(counter++);
        team[total++] = programmer;
	}
	
	private boolean isExist(Programmer p) {
        for (int i = 0; i < total; i++) {
            if (team[i].getId() == p.getId()) return true;
        }

        return false;
    }
	
	public void removeMember(int memberId) throws TeamException {
        int n = 0;
        for (; n < total; n++) {
            if (team[n].getMemberId() == memberId) {
                team[n].setStatus(Status.FREE);
                break;
            }
        }
        if (n == total)
            throw new TeamException("找不到该成员，无法删除");
        for (int i = n + 1; i < total; i++) {
            team[i - 1] = team[i];
        }
        team[--total] = null;
    }
}

view:

//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:[e-mail]
 * @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;
    }
}

//TeamView.java
package view;

import domain.*;
import service.*;

public class TeamView {
	private NameListService listSvc = new NameListService();
	private TeamService teamSvc = new TeamService();

	public void enterMainMenu() {
		boolean loopFlag = true;
		char key = 0;

		do {
			if (key != '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)：");
			key = TSUtility.readMenuSelection();
			System.out.println();
			switch (key) {
			case '1':
				listTeam();
				break;
			case '2':
				addMember();
				break;
			case '3':
				deleteMember();
				break;
			case '4':
				System.out.print("确认是否退出(Y/N)：");
				char yn = TSUtility.readConfirmSelection();
				if (yn == 'Y')
					loopFlag = false;
				break;
			}
		} while (loopFlag);
	}

	// 显示所有的员工成员
	private void listAllEmployees() {
		System.out.println("\n-------------------------------开发团队调度软件--------------------------------\n");
		Employee[] emps = listSvc.getAllEmployees();
		if (emps.length == 0) {
			System.out.println("没有客户记录！");
		} 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 (Employee e : emps) {
			System.out.println(" " + e);
		}
		System.out.println("-------------------------------------------------------------------------------");
	}

	// 显示开发团队成员列表
	private void listTeam() {
		System.out
				.println("\n--------------------团队成员列表---------------------\n");
		Programmer[] team = teamSvc.getTeam();
		if (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");
		}

		for (Programmer p : team) {
			System.out.println(" " + p.getDetailsForTeam());
		}
		System.out
				.println("-----------------------------------------------------");
	}

	// 添加成员到团队
	private void addMember() {
		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 e = listSvc.getEmployee(id);
			teamSvc.addMember(e);
			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();
	}

	// 从团队中删除指定id的成员
	private void deleteMember() {
		System.out.println("---------------------删除成员---------------------");
		System.out.print("请输入要删除员工的TID：");
		int id = TSUtility.readInt();
		System.out.print("确认是否删除(Y/N)：");
		char yn = TSUtility.readConfirmSelection();
		if (yn == 'N')
			return;

		try {
			teamSvc.removeMember(id);
			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();
	}
}