学习Java之day17

1.domain层

package com.bao.team.domain;

/**
 * 代表员工的个人信心
 * */
public class Employee {
    private int id;
    private String name;
    private int age;
    private double salary;//工资
    
    public Employee(int id, String name, int age, double salary) {
        super();
        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+ "\t" + name +"\t" + age +"\t" + salary;
    }
    
    @Override
    public String toString() {
        return getDetails();
    }
    
}

package com.bao.team.domain;

/**
 * 设计师类
 * */
public class Designer extends Programmer {
    private double bouns;// 奖金

    public Designer() {
        super();
    }

    public Designer(int id, String name, int age, double salary, Equipment eq, double bonus) {
        super(id, name, age, salary, eq);
        this.bouns = bouns;

    }

    public double getBouns() {
        return bouns;
    }

    public void setBouns(double bouns) {
        this.bouns = bouns;
    }
    
    @Override
    public String toString() {
        return getDetails()+ "\t设计师\t"+ getStatus() + "\t" + bouns + "\t\t"+  getEquitment().getDesciption();
    }
    
    
}

package com.bao.team.domain;

/**
 * 架构师类
 * */
public class Architect extends Designer {
    private int stock;// 表示公司奖励的股票数量

    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" + getBouns() + "\t"+ stock+"\t"+  getEquitment().getDesciption();

    }

}

package com.bao.team.domain;

import com.bao.team.service.Status;
/**
 *  程序员类
 * */
public class Programmer extends Employee {
    private int  numberId;
    private Status status = Status.FREE;// 代表员工的状态
    private Equipment  equipment;//该员工领用的设备
    
    public Programmer() {
        super();
    }

    public int getNumberId() {
        return numberId;
    }

    public void setNumberId(int numberId) {
        this.numberId = numberId;
    }

    public Status getStatus() {
        return status;
    }

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

    public Equipment getEquitment() {
        return equipment;
    }

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

    public Programmer(int id, String name, int age, double salary, Equipment equipment) {
        super(id, name, age, salary);
        this.equipment = equipment;
    }
    
    @Override
    public String toString() {
        return getDetails()+ "\t" + "程序员"+ "\t" +status + "\t\t\t" + equipment.getDesciption();
    }

    public String getDetailsForTeam() {
         return getNumberId() + "/" + toString();
    }
    
    
    
}

package com.bao.team.domain;
//设备类
public interface Equipment {
    //返回设备的详细信息
    public abstract String getDesciption();
    
    //有默认方法
    //default void getInt(int i) {}
    //有静态方法
    //static void getInt() {
        
    //}
}

package com.bao.team.domain;

//笔记本类
public class NoteBook implements Equipment {
    private String model;// 表示机器的型号
    private double price;// 表示机器的价格

    public NoteBook() {
        super();
    }

    public NoteBook(String model, double price) {
        super();
        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 getDesciption() {
        return model + "(" + price + ")";
    }

}

package com.bao.team.domain;
//电脑类
public class PC implements Equipment {
    private String model;// 代表机器的型号
    private String display;// 表示显示器名称

    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 getDesciption() {
        return model + "(" + display + ")";
    }

}

package com.bao.team.domain;
//打印机类
public class Printer implements Equipment{
    private String name;//表示机器的名称
    private String type;//表示机器的类型
    
    public Printer() {
        super();
    }

    public Printer(String name, String type) {
        super();
        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 getDesciption() {
        return name + "("+type+")";
    }
    
}

2.service层

package com.bao.team.service;



public class  Data {
    //员工类型
    public static final int EMPLOYEE = 10;
    public static final int PROGRAMMER = 11;
    public static final int DESIGNER = 12;
    public static final int ARCHITECT = 13;
    
    //设备类型
    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"}
    };
}

package com.bao.team.service;

import com.bao.team.domain.Architect;
import com.bao.team.domain.Designer;
import com.bao.team.domain.Employee;
import com.bao.team.domain.Equipment;
import com.bao.team.domain.NoteBook;
import com.bao.team.domain.PC;
import com.bao.team.domain.Printer;
import com.bao.team.domain.Programmer;

import static com.bao.team.service.Data.*;

public class NameListService {
    private Employee[] employees;

    public NameListService() {
        employees = new Employee[EMPLOYEES.length];

        for (int i = 0; i < employees.length; i++) {
            // 获取通用属性：
            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 eq;
            double bonus;
            int stock;

            switch (type) {
            case EMPLOYEE:
                employees[i] = new Employee(id, name, age, salary);
                break;
            case PROGRAMMER:
                eq = createEquipment(i);
                employees[i] = new Programmer(id, name, age, salary, eq);
                break;
            case DESIGNER:
                eq = createEquipment(i);
                bonus = Integer.parseInt(EMPLOYEES[i][5]);
                employees[i] = new Designer(id, name, age, salary, eq, bonus);
                break;
            case ARCHITECT:
                eq = createEquipment(i);
                bonus = Integer.parseInt(EMPLOYEES[i][5]);
                stock = Integer.parseInt(EMPLOYEES[i][6]);
                employees[i] = new Architect(id, name, age, salary, eq, bonus, stock);
                break;
            }

        }
    }

    private Equipment createEquipment(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[] getEmployees() {
        return employees;
    }

public Employee getEmployee(int id) throws TeamException {
for (Employee e : employees) {
if (e.getId() == id) {
return e;
    }
    }
throw new TeamException("该员工不存在！");
//return null;
    }
}

package com.bao.team.service;
/**
 * 代表员工的状态
 * */
public class Status {
    private final String NAME;

    private Status(String name) {
        this.NAME = name;
    }

    public static final Status FREE = new Status("FREE");// 代表空闲
    public static final Status BUSY = new Status("BUSY");// 代表已加入开发团队
    public static final Status VOCATION = new Status("VOCATION");// 代表正在休假

    public String getNAME() {
        return NAME;
    }
    
    @Override
    public String toString() {
        return NAME;
    }

}

package com.bao.team.service;

public class TeamException extends Exception {
    static final long serialVersionUID = -7034897190745766938L;

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

    public TeamException() {
    }

}

package com.bao.team.service;

import com.bao.team.domain.Architect;
import com.bao.team.domain.Designer;
import com.bao.team.domain.Employee;
import com.bao.team.domain.Programmer;

/**
 * 
* @Description 功能：关于开发团队成员的管理：添加、删除等。
* @author bao
* @version
* @date 2021年12月8日下午1:30:30
 */
public class TeamService {
    private static int counter = 1;//为静态变量，用来为开发团队新增成员自动生成团队中的唯一ID，即memberId。
    private final int MAX_MEMBER = 5;//表示开发团队最大成员数
    private Programmer[] team = new Programmer[MAX_MEMBER];//用来保存当前团队的各成员对象
    private int total;//记录团队成员的实际数量
    
    /**
     * 
    * @Description 返回当前团队的所有对象
    * @author bao
    * @date 2021年12月8日下午2:37:27
    * @return
     */
    public Programmer[] getTeam() {
        Programmer[] team = new Programmer[total];
        if(this.team != null) {
            for(int i=0; i<total; i++) {
                team[i] = this.team[i];
            }
        }
        return team;
    } 
    /**
     * 
    * @Description 将指定员工添加到开发团队中
    * @author bao
    * @date 2021年12月8日下午5:38:24
    * @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");
    }
    }


//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.setNumberId(counter++);
    } 

/**
* 
* @Description 判断指定的员工是否已经存在于现有的开发团队中
* @author shkstart
* @date 2019年2月12日上午11:51:02
* @param e
* @return
*/
private boolean isExist(Employee e) {

for(int i = 0;i < total;i++){
return team[i].getId() == e.getId();
    }

return false;
    }

/**
* 
* @Description 
* @author bao
* @date 2021年12月8日下午5:39:04
* @param memberId
* @throws TeamException
*/
public  void  removeMember(int memberId) throws TeamException{
int i = 0;
for(;i < total;i++){
if(team[i].getNumberId() == 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;

    }

}

3.view层

package com.bao.team.view;

import com.bao.team.domain.Employee;
import com.bao.team.domain.Programmer;
import com.bao.team.service.NameListService;
import com.bao.team.service.TeamException;
import com.bao.team.service.TeamService;

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.getEmployees();
        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();
    }
}

package com.bao.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。
 * @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;
    }
}

4.junit层

package com.bao.team.junit;

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

/**
 **
* @Description 对NameListService的测试
* @author bao
* @version
* @date 2021年12月7日下午5:37:39
*
 */
public class NameListServiceTest {

    @org.junit.Test
    public void testGetEmployees() {
        NameListService nameListService  = new NameListService();
        Employee[] employess = nameListService.getEmployees();
        for(Employee e : employess) {
            System.out.println(e);
        }
    }
    
    @org.junit.Test
    public void testGetEmployeeById() {
        NameListService nameListService  = new NameListService();
        Employee employee;
        try {
            employee = nameListService.getEmployee(2000);
            System.out.println(employee);
        } catch (TeamException e) {
            System.out.println(e.getMessage());
        }
        
    }
}

posted @ 2022-01-04 10:41 天覆者阅读(16) 评论(0) 编辑收藏举报

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