项目结构

  1. com.atguigu.team.view模块为主控模块,负责菜单的显示和处理用户操作
  2. com.atguigu.team.service模块为实体对象(Employee及其子类如程序员等)的管理模块,
  3. NameListService和TeamService类分别用各自的数组来管理公司员工和开发团队成员对象
  4. domain模块为Employee及其子类等JavaBean类所在的包

项目具体说明:开发调度软件

* com.atguigu.team.domainservice
*        |-----Equipment(interface)
*                |-----PC
*                |-----NoteBook
*               |-----Printer
*        |-----Employee
*                |-----Programmer
*                |-----Designer
*                |-----Architect
* com.atguigu.team.service
*        |-----NameListService
*        |-----TeamService
*        |-----TeamException
*        |-----Data
*        |-----Status
* com.atguigu.team.view
*        |-----TeamView
*        |-----TSUtility

实现domain包中的类和接口

Equipment接口及其实现子类的设计

package com.atguigu.team.domain;

public interface Equipment {

    public abstract String getDescription();
}
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(){
        
    }
    
    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 + ")";
    }

}
package com.atguigu.team.domain;

public class NoteBook implements Equipment {

    private String model; //机器型号
    private double price; //机器价格

    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;
    }

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

}
package com.atguigu.team.domain;

public class Printer implements Equipment {

    private String name; //机器名称
    private String type; //机器类型

    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 + ")";
    }

}

Employee类及其子类的设计

package com.atguigu.team.domain;

public class Employee {

    private int id;
    private String name;
    private int age;
    private double 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 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\t" + salary;
    }
    
    @Override
    public String toString() {
        return id + "\t" + name + "\t" + age + "\t" + salary;
    }

}
package com.atguigu.team.domain;

import com.atguigu.team.service.Status;

public class Programmer extends Employee {

    private int memberID;//团队id
    private Status status = Status.FREE; //状态
    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 super.toString() + "\t程序员\t" + status + "\t\t\t" + equipment.getDescription();
    }
    
    public String getBasicForTeam(){
        return memberID + "/" + getDetails();
    }

    public String getDtailsForTeam() {
        return getBasicForTeam() + "\t程序员";
    }
}
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() + "\t设计师\t" + getStatus() + "\t" + bonus + "\t\t" + getEquipment().getDescription();
    }
    
    public String getDtailsForTeam() {
        return getBasicForTeam() + "\t设计师\t" + bonus+ "\t";
    }
}
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() + "\t架构师\t" + getStatus() + "\t" + getBonus() + "\t" + stock + "\t" + getEquipment().getDescription();
    }
    
    public String getDtailsForTeam() {
        return getBasicForTeam() + "\t架构师\t" + getBonus() + "\t" + stock;
    }
}

实现service包中的类

NameListService类的设计

public class NameListService {
    private Employee[] employee;
    
    public NameListService() {
        employee = 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:
                employee[i] = new Employee(id, name, age, salary);
                break;
            case PROGRAMMER:
                equipment = createEquipment(i);
                employee[i] = new Programmer(id, name, age, salary, equipment);
                break;
            case DESIGNER:
                equipment = createEquipment(i);
                bonus = Double.parseDouble(EMPLOYEES[i][5]);
                employee[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]);
                employee[i] = new Architect(id, name, age, salary, equipment, bonus, stock);
                break;
            }
        }
    }
    
    private Equipment createEquipment(int i) {
        int type = Integer.parseInt(EQUIPMENTS[i][0]);

        switch (type) {
        case PC:
            return new PC(EQUIPMENTS[i][1], EQUIPMENTS[i][2]);
        case NOTEBOOK:
            return new NoteBook(EQUIPMENTS[i][1], Double.parseDouble(EQUIPMENTS[i][2]));
        case PRINTER:
            return new Printer(EQUIPMENTS[i][1], EQUIPMENTS[i][2]);
        }
        return null;
    }
    
    public Employee[] getAllEmployees() {
        return employee;
    }

    public Employee getEmployee(int id) throws TeamException {
        for (int i = 0; i < employee.length; i++) {
            if (id == employee[i].getId()) {
                return employee[i];
            }
        }
        throw new TeamException("找不到指定员工");
    }
}

TeamService类的设计

public class TeamService {

    private static int counter = 1;
    private final int MAX_MEMBER = 5;
    private Programmer[] team = new Programmer[MAX_MEMBER];
    private int total = 0;
    
    public int getTotal() {
        return total;
    }

    public Programmer[] getTeam(){
        Programmer[] team = new Programmer[total];
        for(int i = 0;i < team.length;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 p = (Programmer)e;
        if(isGroup(e)){
            throw new TeamException("该员工已在本开发团队中");
        }
        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");
        }
        
        
        int numOfPro = 0,numOfDes = 0,numOfArc = 0;
        for(int i = 0;i < total;i++){
            if(team[i] instanceof Architect){
                numOfArc++;
            }else if(team[i] instanceof Designer){
                numOfDes++;
            }else if(team[i] instanceof Programmer){
                numOfPro++;
            }
        }
        
        if(p instanceof Architect){
            if(numOfArc >= 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++] = (Programmer) p;
        p.setStatus(Status.BUSY);
        p.setMemberID(counter++);
    }

    private boolean isGroup(Employee e) {
        for(int i = 0;i < total;i++){
            if(team[i].getId() == e.getId()){
                return true;
            }
        }
        return false;
    }
    
    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;i < total - 1;i++){
            team[j] = team[j + 1];
        }
        
        team[total - 1] = null;
        total--;
    }
}

TeamException类的设计

public class TeamException extends Exception {

    private static final long serialVersionUID = 1564685465445L;

    public TeamException() {

    }

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

Status类的设计

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;
    }
}

Data类

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"}
    };
}

实现view包中的类

TeamView类的设计

public class TeamView {

    private NameListService listSvc = new NameListService();
    private TeamService teamSvc = new TeamService();

    public void enterMainMenu() {
        boolean loopFlag = true;
        char scann = 0;
        while (loopFlag) {
            if (scann != '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):");

            scann = TSUtility.readMenuSelection();

            switch (scann) {
            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;
            }

        }
    }

    private void listAllEmployees() {
        System.out.println("-------------------------------开发团队调度软件--------------------------------");
        System.out.println();
        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");
        Employee[] employees = listSvc.getAllEmployees();
        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---------------------");
        if (teamSvc.getTotal() == 0) {
            System.out.println("开发团队目前没有成员!");
        } else {
            Programmer[] team = teamSvc.getTeam();
            System.out.println("TID/ID\t姓名\t年龄    \t工资\t职位\t奖金\t股票\n");
            for (int i = 0; i < team.length; i++) {
                System.out.println(team[i].getDtailsForTeam());
            }
        }

        System.out.println("-----------------------------------------------------");
    }

    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();
        Employee emp;
        try {
            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());
        }
        TSUtility.readReturn();
    }

    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 isDelete = TSUtility.readConfirmSelection();
        if(isDelete == 'Y'){
            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());
            }
            TSUtility.readReturn();
        }
        
    }

    public static void main(String[] args) {
        TeamView test = new TeamView();
        test.enterMainMenu();
    }
}

工具类TSUtility

/**
 * 
 * @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;
    }
}
最后修改:2021 年 08 月 27 日 08 : 58 PM
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