Java-Project-03

 

 

com.atguigu.team.domain

Architect.java

package com.atguigu.team.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() + "	架构师	" + getStatus() + "	" + getBonus() + "	" + stock + "	" + getEquipment().getDescription();
    }
    
    // 1/2    马化腾    32    18000.0    架构师    15000.0    2000
    public String getDetailsForTeam() {
        return getTeamBaseDetails() + "	架构师	" + getBonus() + "	" + getStock();
    }
}

Designer.java

package com.atguigu.team.domain;

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() + "	设计师	" + getStatus() + "	" + bonus + "		" + getEquipment().getDescription();
    }

    // 3/5    雷军    28    10000.0    设计师    5000.0
    public String getDetailsForTeam() {
        return  getTeamBaseDetails() + "	设计师	" + 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 + "	" + name + "	" + age + "	" + salary;
    }
    
    @Override
    public String toString() {
        return getDetails();
    }
}

Equipment.java

package com.atguigu.team.domain;

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

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

    @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 PC() {
        super();
    }

    public PC(String model, String display) {
        super();
        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 + ")";
    }

}

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 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 Printer() {
        super();
    }

    public Printer(String name, String type) {
        super();
        this.name = name;
        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 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() + "	程序员	" + status + "			" + equipment.getDescription();
    }
    
    public String getTeamBaseDetails(){
        return memberId + "/" + getId() + "	" + getName() + "	" + getAge() + "	" + getSalary();
    }
    
    //2/6    任志强    22    6800.0    程序员
    public String getDetailsForTeam(){
        return getTeamBaseDetails() + "	程序员";
    }

}

com.atguigu.team.junit

NameListServiceTest.java

package com.atguigu.team.junit;

import org.junit.Test;

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

/**
 * 对NameListService类的测试
 * @Description 
 *     
 */
public class NameListServiceTest {

    @Test
    public void testGetAllEmployees(){
        NameListService service = new NameListService();
        Employee[] employees = service.getAllEmployees();
        for(int i = 0;i < employees.length;i++){
            System.out.println(employees[i]);
        }
    }
    
    @Test
    public void testGetEmployee(){
        NameListService service = new NameListService();
        int id = 1;
        id = 101;
        try {
            Employee employee = service.getEmployee(id);
            System.out.println(employee);
        } catch (TeamException e) {
            System.out.println(e.getMessage());
        }
    }
    
}

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。
 *
 */
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];
        
        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4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]);
            
            
            //获取信息
            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;
            }
        }
    }
    
    /**
     * 
     * @Description 获取指定index上的员工的设备
     * @param i
     * @return
     */
    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;
    }
    /**
     * 获取当前所有员工。
     * @Description 
     * @return
     */
    public Employee[] getAllEmployees(){
        return employees;
    }
    /**
     * 
     * @Description 获取指定ID的员工对象。
     * @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){
                return employees[i];
                
            }
        }
        
        throw new TeamException("找不到指定的员工");
    }
}

Status.java

package com.atguigu.team.service;
/**
 * 
 * @Description 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;
    }
    
}

TeamException.java

package com.atguigu.team.service;
/**
 * 
 * @Description 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);
    }
}

TemService.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。
 * @version 
 *
 */
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
    
    public TeamService() {
        super();
    }
    /**
     * 
     * @Description 获取开发团队中的所有成员
     */
    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
     * @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)){
            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")){
            throw new TeamException("该员工已是某团队成员");
        }else if("VOCATION".equalsIgnoreCase(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
        
        //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++;
            }
        }
        //正确的
        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");
            }
        }
        
        //错误的
//        if(p instanceof Architect && numOfArch >= 1){
//            throw new TeamException("团队中至多只能有一名架构师");
//        }else if(p instanceof Designer && numOfDes >= 2){
//            throw new TeamException("团队中至多只能有两名设计师");
//        }else if(p instanceof Programmer && numOfPro >= 3){
//            throw new TeamException("团队中至多只能有三名程序员");
//        }
        
        
        //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
     * @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
     * @param memberId
     * @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;
            }
        }
        
        //未找到指定memberId的情况
        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];
        }
        
        //写法一：
//        team[total-1] = null;
//        total--;
        //写法二：
        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.print("确认是否退出(Y/N)：");
                char isExit = TSUtility.readConfirmSelection();
                if(isExit == 'Y'){
                    loopFlag = false;
                }
                break;
            }
        }
    }
    /**
     * 显示所有的员工信息
     * @Description 
     */
    private void listAllEmployees(){
//        System.out.println("显示公司所有的员工信息");
        System.out.println("-------------------------------开发团队调度软件--------------------------------
");
        
        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	姓名	年龄	工资	职位	状态	奖金	股票	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---------------------
");
        
        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	姓名	年龄	工资	职位	奖金	股票
");
            for(int i = 0;i < team.length;i++){
                System.out.println(team[i].getDetailsForTeam());
                
            }
        }
        
        System.out.println("-----------------------------------------------------");
    }
    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。
 */
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。
     */
    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。
     */
    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。
     */
    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;
    }
}