开发人员管理系统 Java 课设

package view;

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

public class TeamView {
    private NameListService listService = new NameListService();
    private TeamService teamService = new TeamService();


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

        do {
            if (menu != '1'){
                listAllEmployees();
            }
            System.out.println("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("确认是否要退出(Y/N)");
                    char isExit = TSUtility.readConfirmSelection();
                    if (isExit == 'Y'){
                      loopFlag= false;
                    }
                    break;
            }

        }while (loopFlag) ;
    }
        //显示所有的员工信息
        private void listAllEmployees () {
            System.out.println("\n-------------------------------开发团队调度软件--------------------------------\n");
          Employee[] employee= listService.getAllEmployees();
            System.out.println("ID\t\t姓名\t\t年龄\t\t工资\t\t职位\t\t状态\t\t奖金\t\t股票\t\t领用设备");
            for (int i =0 ; i < employee.length;i++){
                System.out.println(employee[i]);
            }
        }

        private void getTeam () {
            System.out.println("\n--------------------团队成员列表---------------------\n");
            Programer[] team = teamService.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");
                for (int i =0;i< team.length;i++){
                    System.out.println(team[i].getDetailForTeam());
                }
            }


            System.out.println("-----------------------------------------------------");
        }
        private void addMember () {
            System.out.println("---------------------添加成员----------------------");
            System.out.println("请输入要添加的成员的Id");
            int id = TSUtility.readInt();

            try {
                teamService.addMember(listService.getEmployee(id));
                System.out.println("添加成功");
                TSUtility.readReturn();
            } catch (TeamException e) {
                System.out.println("添加失败: 原因" + e.getMessage());
            }
        }
        private void deleteMember () {
            System.out.println("------------------删除员工-----------------");
            System.out.println("请输入要删除的团队的TID");
            int memberId = TSUtility.readInt();
            System.out.println("确认是否删除Y/N");
          char isDelete = TSUtility.readConfirmSelection();
          if (isDelete =='N'){
              return;
          }else if (isDelete == 'Y'){
              try {
                  teamService.removeMember(memberId);
                  System.out.println("删除成功");

              } catch (TeamException e) {
                  System.out.println("删除失败 原因:"+e.getMessage());
              }
              TSUtility.readReturn();
          }
        }
        public static void main (String[]args){
            TeamView teamView = new TeamView();
            teamView.enterMainMenu();
        }
    }

package view;
import java.util.*;

public class TSUtility {
    private static Scanner scanner = new Scanner(System.in);

    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;
    }

    public static void readReturn() {
        System.out.print("按回车键继续...");
        readKeyBoard(100, true);
    }

    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;
    }

    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;
    }
}

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EQIPMENTS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, type, name
    public static final String[][] EQIPMENTS = {
            {},
            {"22", "联想T4", "6000"},
            {"21", "戴尔", "NEC17寸"},
            {"21", "戴尔", "三星 17寸"},
            {"23", "激光", "佳能 2900"},
            {"21", "华硕", "三星 17寸"},
            {"21", "华硕", "三星 17寸"},
            {"23", "针式", "爱普生20K"},
            {"22", "惠普m6", "5800"},
            {"21", "戴尔", "NEC 17寸"},
            {"21", "华硕","三星 17寸"},
            {"22", "惠普m6", "5800"}
    };
}

package service;

import domain.*;

/**
 * 负责将Data中的数据封装到Empoyee[]数组中,同时提供相关操作Employee[]的方法
 */
public class NameListService {
    private Employee[] employees;
    //给数组及其数组元素进行初始化
    public NameListService() {
        //根据项目提供的Data类构建相应大小的employees数组
        //在根据Data类中的数据构建不同的对象,包括Employee,Programer,Designer,Architect对象,
        //以及相关联的Equipment子类对象    .   最后将对象存于数据中
        employees = new Employee[Data.EMPLOYEES.length];//开辟数组
        for (int i=0;i <employees.length;i++){
            //获取员工的类型
            int type = Integer.parseInt(Data.EMPLOYEES[i][0]);
            //获取Employee的4个基本信息
            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 :
                    employees[i] = new Employee(id,name,age,salary);
                    break;
                case Data.PROGRAMMER:
                     equipment = createEquipment(i);
                    employees[i] = new Programer(id,name,age,salary,equipment);
                    break;
                case Data.DESIGNER:
                    equipment = createEquipment(i);
                    bonus =  Double.parseDouble( Data.EMPLOYEES[i][5]) ;
                    employees[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]);
                    employees[i] = new Architect(id,name,age,salary,equipment,bonus,stock);
                    break;

            }
        }
    }

    public Employee[] getEmployees(){
        return null;
    }

    public Employee getEmployee(){
        return null;
    }
    //获取当前所有的员工
    public Employee[] getAllEmployees(){

        return employees;
    }
    //获取指定ID的员工
    public Employee getEmployee(int id) throws TeamException {
        for(int i=0;i< employees.length;i++)
        {
            if (employees[i].getId() == id){
                return employees[i];
            }

        }
        throw new TeamException("找不到指定的员工");
    }
    //获取指定index位置上员工的设备
    private Equipment createEquipment(int index){
     int type =  Integer.parseInt(Data.EQIPMENTS[index][0]) ;
     switch (type){
         case Data.PC://21
             return new PC(Data.EQIPMENTS[index][1],Data.EQIPMENTS[index][2]);

         case Data.NOTEBOOK:
             return new Notebook(Data.EQIPMENTS[index][1], Double.parseDouble(Data.EQIPMENTS[index][2]));

         case Data.PRINTER:
             return  new printer(Data.EQIPMENTS[index][1],Data.EQIPMENTS[index][2]);

     }
        return null;
            
    }
}

package service;
//表示员工的状态
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;
    }
}

package service;
//自定义异常类
public class TeamException extends Exception{
    static final long serialVersionUID = -3387514229948L;
    public TeamException(){
        super();
    }
    public TeamException(String msg){
        super(msg);
    }


}

package service;

import domain.Architect;
import domain.Designer;
import domain.Employee;
import domain.Programer;

/**
 * 关于开发团队的成员的管理  添加 删除
 */
public class TeamService {
    private static int counter = 1;//用于给memberId赋值
    private final int MAX_MEMBER = 5;//限制开发团队的最大人数
    private Programer[] team = new Programer[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

    /**
     * 获取开发团队中的所有成员
     */
    public Programer[] getTeam() {
        Programer[] team = new Programer[total];
        for (int i = 0; i < team.length; i++) {
            team[i] = this.team[i];
        }
        return team;
    }

    /**
     * 判断指定的员工是否在开发团队中
     *
     * @param employee
     * @return
     */
    private boolean isExit(Employee employee) {
        for (int i = 0; i < total; i++) {
            if (team[i].getId() == employee.getId()) {
                return true;
            }
        }
        return false;
    }

    /**
     * 从团队当中删除成员
     *
     * @param memberId
     */
    public void removeMember(int memberId) throws TeamException {
        int i=0;
        for (i=0; 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");
        }
        //后一个元素覆盖前一个元素 实现删除操作
        for (int j = i + 1; j < total; j++) {
            team[j - 1] = team[j];
        }
        team[total - 1] = null;
        total --;
    }

    /**
     * 将指定的员工添加到开发团队中
     *
     * @param e
     */
    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 Programer)) {
            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 (isExit(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
        //该员工正在休假 无法添加
        Programer p = (Programer) e;
        if (p.getStatus().getNAME().equals("BUSY")) {
            throw new TeamException("该员工已是某团队成员");
        } else if ("VOCATION".equals(p.getStatus().getNAME())) {
            throw new TeamException("该员工正在休假 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
        //团队中只能有三名程序员

        //先获取已有成员中架构师 设计师 程序员的 人数
        int numberOfArh = 0, numberOfDes = 0, numberOfPro = 0;
        for (int i = 0; i < total; i++) {
            if (team[i] instanceof Architect) {
                numberOfArh++;
            } else if (team[i] instanceof Designer) {
                numberOfDes++;
            } else if (team[i] instanceof Programer) {
                numberOfPro++;
            }
        }

        if (p instanceof Architect) {
            if (numberOfArh >= 1) {
                throw new TeamException("团队中至多只能有一名架构师");
            } else if (numberOfDes >= 2) {
                throw new TeamException("团队中至多只能有两名设计师");
            } else if (numberOfPro >= 3) {
                throw new TeamException("团队中只能有三名程序员");
            }
        }

        //没有异常 p(e)可以进行添加 将p(e)添加到现有的team中
        team[total] = p;
        total++;
        //P的属性的一个赋值
        p.setMemberId(counter);
        counter++;
        p.setStatus(Status.BUSY);
    }
}

package domain;

//架构师子类
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() + "架构师" + "\t" + getStatus() + "\t" + getBonus() + "\t" + stock + "\t" + getEquipment().getDescription();
    }
    public String getDetailForTeam() {
        return getMemberDetails() + "\t架构师\t" +
                getBonus() + "\t" + getStock();
    }
}

package domain;

//设计师子类
public class Designer extends Programer {
    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() + "设计师" + "\t" + getStatus() + "\t" + bonus + " \t\t" + getEquipment().getDescription();
    }
    public String getDetailForTeam(){
        return getMemberDetails() + "\t设计师\t" +
                getBonus() ;
    }
}

package domain;

//员工类
public class Employee {
    private int id;
    private String name;
    private int age;
    private double salary;

    public Employee(int id, String name, int age, double salary) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.salary = salary;
    }

    public Employee() {
        super();
    }

    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=" + id + "\t" +
                " name=" + name + "\t" +
                ",age=" + age + "\t" +
                " salary=" + salary + "\t";
    }

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

package domain;

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

package domain;

public class Notebook implements Equipment{
    private String model;//机器型号
    private double price;//价格

    public Notebook(String model,double price) {
        this.price = price;
        this.model = model;
    }

    public Notebook() {
        super();
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    public String getModel() {
        return model;
    }

    public void setModel(String model) {
        this.model = model;
    }

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

package domain;

public class PC implements Equipment {
    private String model, display; //机器型号和显示器名称

    public PC(String model, String display) {
        super();
        this.model = model;
        this.display = display;
    }

    public PC() {
        super();
    }

    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;
    }
}

package domain;

public class printer implements Equipment {
    private String name;//机器型号
    private String type;//机器类型

    public printer(String type, String name) {
        super();
        this.name = name;
        this.type = type;

    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

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

package domain;

import service.Status;

//程序员子类
public class Programer extends Employee {
    private int memberId;//开发团队中的id
    private Equipment equipment;
    private Status status = Status.FREE;//状态

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

    public Programer() {
        super();
    }

    public int getMemberId() {
        return memberId;
    }

    public void setMemberId(int memberId) {
        this.memberId = memberId;
    }

    public Equipment getEquipment() {
        return equipment;
    }

    public void setEquipment(Equipment equipment) {
        this.equipment = equipment;
    }

    public Status getStatus() {
        return status;
    }

    public void setStatus(Status status) {
        this.status = status;
    }


    @Override
    public String toString() {
        return getDetails() + "程序员" + "\t" +
                status + "\t\t\t\t "
                + equipment.getDescription()
                ;
    }
    protected String getMemberDetails() {
        return getMemberId() + "/" + getDetails();
    }
    public String getDetailForTeam(){
        return getMemberDetails() + "\t程序员\t" ;
    }
}