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优尚开发团队调度系统

创建项目基本组件

 Equipment接口及其实现子类的设计

package domain;

public interface Equipment {
    public String getDescription();
}
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package domain;

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

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

public class PC implements Equipment{
    @Override
    public String getDescription() {
        return model + "(" + display + ")";
    }
    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;
    }
}
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package domain;

public class Printer implements Equipment{
    private  String name;
    private String type;
    @Override
    public String getDescription() {
        return name + "(" + 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;
    }
}
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Employee类及其子类的设计

package service;

public enum Status {
    FREE,BUSY,VOCATION;
}
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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\t" + name + "\t\t\t" + age + "\t\t" + salary + "\t";
    }

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

    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\t" + status + "\t\t\t\t\t\t" + equipment.getDescription();
    }

    protected String getBasicDetailsForteam(){
       return memberId +"/" + getId() + "\t\t" + getName() + "\t" + getAge() + "\t\t" + getSalary();
    }
    public String getDetailsForTeam(){
        return getBasicDetailsForteam() + "\t程序员";
    }
}
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package domain;

public class Designer extends Programmer{
    private double bonus;

    public Designer() {
    }

    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\t" + getStatus() + "\t" + bonus+ "\t\t\t\t" + getEquipment().getDescription();
    }

    public String getDetailsForTeam(){
        return getBasicDetailsForteam() + "\t设计师" + "\t" + getBonus();
    }
}
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package domain;

public class Architect extends Designer{
    private int stock;

    public Architect() {
    }

    public Architect(int stock) {
        this.stock = 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;
    }

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

    public String getDetailsForTeam(){
        return getBasicDetailsForteam() + "\t架构师" + "\t" + getBonus() + "\t" + getStock();
    }
}
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实现service包中的类

 NameListService类的设计

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package service;

import domain.*;

import static service.Data.*;

public class NameListService {
    private Employee[] employees;

    public NameListService() {
        // 根据项目提供的Data类构建相应大小的employees数组
        employees = new Employee[Data.EMPLOYEES.length];
        for (int i = 0; i < employees.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;
            int bonus,stock;
            switch (type){
                case Data.EMPLOYEE:
                    employees[i] = new Employee(id,name,age,salary);
                    break;
                case Data.PROGRAMMER:
                    equipment = creatEquipment(i);
                    employees[i] = new Programmer(id,name,age,salary,equipment);
                    break;
                case DESIGNER:
                    bonus = Integer.parseInt(EMPLOYEES[i][5]);
                    equipment = creatEquipment(i);
                    employees[i] = new Designer(id,name,age,salary,equipment,bonus);
                    break;
                case ARCHITECT:
                    bonus = Integer.parseInt(EMPLOYEES[i][5]);
                    stock = Integer.parseInt(EMPLOYEES[i][6]);
                    equipment = creatEquipment(i);
                    employees[i] = new Architect(id,name,age,salary,equipment,bonus,stock);
                    break;
            }
        }
    }

    public Equipment creatEquipment(int i){
        int equipmentType = Integer.parseInt(EQUIPMENTS[i][0]);
        String model,display,type,name;
        double price;
        switch (equipmentType){
            case NOTEBOOK:
                model = EQUIPMENTS[i][1];
                price = Double.parseDouble(EQUIPMENTS[i][2]);
                return new NoteBook(model,price);
            case PC:
                model = EQUIPMENTS[i][1];
                display = EQUIPMENTS[i][2];
                return new PC(model,display);
            case PRINTER:
                name = EQUIPMENTS[i][1];
                type = EQUIPMENTS[i][2];
                return new Printer(name,type);
        }
        return null;
    }

    public Employee[] getAllEmployees(){
        return employees;
    }

    public Employee getEmployee(int id) throws TeamException{
        for (int i = 0; i < employees.length; i++){
            if (id == employees[i].getId()){
                return employees[i];
            }
        }
        throw new TeamException("找不到指定的员工！");
    }
}
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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"}
    };
}
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TeamService类的设计

 添加成员：

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package service;

public class TeamException extends Exception{
    static final long serialVersionUID = -33829474775748L;
    public TeamException(){
    }

    public TeamException(String message) {
        super(message);
    }

    public TeamException(String message, Throwable cause) {
        super(message, cause);
    }
}
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package service;

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

public class TeamService {
    private int counter = 1;  // 用于产生唯一ID
    private int MAX_MEMBER = 5;
    private Programmer[] team = new Programmer[MAX_MEMBER];
    private int total = 0; // 记录实际人数

    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("成员不是开发人员，无法添加！");
        }

        //向下转型 将Employee转型为Programmer
        Programmer p = (Programmer) e;
        Status status = p.getStatus();
        switch (status){
            case BUSY :
                throw new TeamException("该成员已在某项目团队中，添加失败！");
            case VOCATION:
                throw new TeamException("该成员休假中，添加失败！");
        }
        // 该成员已在团队中
        boolean isExit = isExist(p);
        if(isExit){
            throw new TeamException("该成员已在本开发团队中！");
        }
        // 至多一名架构师 至多两名设计师  至多三名程序员
        int Arcnum= 0, Pronum = 0, Desnum = 0;
        for (int i = 0 ; i <total; i ++){
            if (team[i] instanceof Architect){
                Arcnum ++;
            }else if (team[i] instanceof Designer){
                Desnum ++;
            }else if (team[i] instanceof Programmer){
                Pronum ++;
            }
        }

        if (p instanceof Architect){
            if (Arcnum >= 1){
                throw new TeamException("已存在一名架构师！添加失败！");
            }
        }else if(p instanceof Designer){
            if (Desnum >=2){
                throw new TeamException("已存在两名设计师！添加失败！");
            }
        }else if (p instanceof Programmer){
            if (Pronum >= 3){
                throw new TeamException("已存在三名程序员，添加失败！");
            }
        }

        /**
         *  注意这种写法是错误的!
         *  因为架构师是设计师的子类，设计师是程序员的子类。
         *  比如此时我加入一个架构师，且此时Arcnum为0，所以第一个判断不执行，进入到第二个设计师的判断
         *  但我的Desnum为2，且架构师属于设计师，所以莫名其妙就抛出了一个存在两名设计师的异常，实际上我添加的是架构师，因此不符合要求
        if (e instanceof Architect && Arcnum >= 1){
            throw new TeamException("已存在一名架构师！添加失败！");
        }else if (e instanceof Designer && Desnum >=2){
            throw new TeamException("已存在两名设计师！添加失败！");
        } else if (e instanceof Programmer && Pronum >= 3){
            throw new TeamException("已存在三名程序员，添加失败！");
        }
         */

        // 若代码执行到此位置，说明e是可以添加进来的
        team[total++] = p;
        p.setMemberId(counter++);
        p.setStatus(Status.BUSY);

    }

    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 i;
        for (i = 0; i < total; i++){
            if (team[i].getId() == memberId){
                for(int j = i+1; j < total; j++){
                    team[j-1] = team[j];
                }
                team[i].setStatus(Status.FREE);
                //调整数组
                team[total-1] = null;
                total --;
            }
        }
        //没找到这个员工
        if (i == total){
            throw new TeamException("未找到指定员工！删除失败!");
        }
    }
}
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视图

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package view;

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 loopFlag=true;
        char menu=0;
        while(loopFlag) {
            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("确定要退出？Y/N");
                    char isExist=TSUtility.readConfirmSelection();
                    if(isExist=='y') {
                        loopFlag=false;
                    }
                    break;
            }

        }
    }
    /**
     * @Description 显示所有员工信息
     */
    private void listAllEmployees() {
        System.out.println("---------------开发人员调度软件-------------");
        System.out.println();
        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\t\t姓名\t\t\t\t年龄\t\t工资\t\t\t职位\t\t\t状态\t\t奖金\t\t\t股票\t\t领用设备\t");
        }
        for(int i=0;i<employees.length;i++) {
            System.out.println(employees[i]);
        }
        System.out.println();
    }
    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("团队中没有任何员工信息");
        }else {
            System.out.println("TID/ID\t姓名\t\t年龄\t\t工资\t\t职位\t\t奖金\t\t股票\t");
        }
        for(int i=0;i<team.length;i++) {
            System.out.println(team[i].getDetailsForTeam());
        }
    }
    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");
            TSUtility.readReturn();//按回车继续
        }catch(TeamException e) {
            System.out.println("添加失败，原因："+e.getMessage());
        }
    }
    private void deleteMember() {
        System.out.println("------------------删除成员----------");
        System.out.println("请输入要删除的员工TID：");
        int mebmberid=TSUtility.readInt();
        System.out.println("确定要删除？Y/N");
        char isDelete=TSUtility.readConfirmSelection();
        if(isDelete=='n') {
            return;
        }
        try {
            teamSvc.removeMember(mebmberid);
            System.out.println("删除成功");
            TSUtility.readReturn();//按回车继续
        } catch (TeamException e) {
            System.out.println("删除失败，原因:"+e.getMessage());
        }
    }
    public static void main(String[] args) {
        TeamView view=new TeamView();
        view.enterMainMenu();
    }
}
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package view;

import java.util.Scanner;

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。
     * @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。
     */
    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。
     * @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。
     * @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;
    }
}
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posted on   gjwqz  阅读(7)  评论(0)  编辑  收藏  举报

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