全部源码:https://github.com/name365/JavaSE-30Day
该软件实现以下功能:
当选择“添加团队成员”菜单时,将执行从列表中添加指定(通过ID)成员到开发团队的功能:
添加成功后,按回车键将重新显示主界面。
开发团队人员组成要求:
失败信息包含以下几种:
当选择“删除团队成员”菜单时,将执行从开发团队中删除指定(通过TeamID)成员的功能:
删除成功后,按回车键将重新显示主界面。
当选择“团队列表”菜单时,将列出开发团队中的现有成员,例如:
github.view模块为主控模块,负责菜单的显示和处理用户操作
github.service模块为实体对象(Employee及其子类如程序员等)的管理模块,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
domain模块为Employee及其子类等JavaBean类所在的包
github.domain模块中包含了所有实体类:
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 subei Email:[email protected]
* @version
* @date 2020年5月6日下午3:10:30
*
*/
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 subei
* @date 2020年5月6日下午3:10:48
* @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 subei
* @date 2020年5月6日下午3:11:04
*/
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 subei
* @date 2020年5月6日下午3:11:17
* @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 subei
* @date 2020年5月6日下午3:11:33
* @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;
}
}
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"}
};
}
说明:
根据需要提供各属性的get/set方法以及重载构造器
实现类实现接口的方法,返回各自属性的信息
Equipment类
public interface Equipment {
String getDescription();
}
public class PC implements Equipment{
private String model; //表示机器的型号
private String display; //表示显示器名称
@Override
public String getDescription() {
return model + "(" + 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;
}
public PC() {
super();
}
public PC(String model, String display) {
super();
this.model = model;
this.display = display;
}
}
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 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 + ")";
}
public Printer() {
super();
}
public Printer(String name, String type) {
super();
this.name = name;
this.type = type;
}
}
public class NoteBook implements Equipment{
private String model;//表示机器的型号
private double price;//表示价格
@Override
public String getDescription() {
return model + "(" + 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;
}
public NoteBook() {
super();
}
public NoteBook(String model, double price) {
super();
this.model = model;
this.price = price;
}
}
说明
memberId用来记录成员加入开发团队后在团队中的ID
Status是项目service包下自定义的类,声明三个对象属性,分别表示成员的状态。
equipment 表示该成员领用的设备
可根据需要为类提供各属性的get/set方法以及重载构造器
Employee类
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 getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
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 double getSalary() {
return salary;
}
public void setSalary(double salary) {
this.salary = salary;
}
protected String getDetails() {
return id + "\t" + name + "\t" + age+ "\t" +salary;
}
@Override
public String toString() {
return getDetails();
}
}
import github.service.Status;
public class Programer extends Employee {
private int memberId;
private Status status = Status.FREE;
private Equipment equipment;
public Programer() {
}
public Programer(int id, String name, int age, double salary, Equipment equipment) {
super(id, name, age, salary);
this.equipment = equipment;
}
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;
}
public int getMemberId() {
return memberId;
}
public void setMemberId(int memberId) {
this.memberId = memberId;
}
protected String getMemberDetails() {
return getMemberId() + "/" + getDetails();
}
public String getDetailsForTeam() {
return getMemberDetails() + "\t程序员";
}
@Override
public String toString() {
return getDetails() + "\t程序员\t" + status + "\t\t\t" + equipment.getDescription();
}
}
/**
*
* @Description 表示员工的状态
* @author subei Email:[email protected]
* @version
* @date 2020年5月6日下午5:09:18
*
*/
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;
}
}
说明:
可根据需要为类提供各属性的get/set方法以及重载构造器
Designer类
public class Designer extends Programer {
private double bonus; // 表示奖金
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;
}
public String getDetailsForTeam() {
return getMemberDetails() + "\t设计师\t" + getBonus();
}
@Override
public String toString() {
return getDetails() + "\t设计师\t" + getStatus() + "\t" +
getBonus() +"\t\t" + getEquipment().getDescription();
}
}
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;
}
public String getDetailsForTeam() {
return getMemberDetails() + "\t架构师\t" +
getBonus() + "\t" + getStock();
}
@Override
public String toString() {
return getDetails() + "\t架构师\t" + getStatus() + "\t" +
getBonus() + "\t" + getStock() + "\t" + getEquipment().getDescription();
}
}
功能: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。
说明:
NameListService类
import github.domain.*;
import static github.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。
* @author subei Email:[email protected]
* @version v1.0
* @date 2020年5月6日下午5:42:19
*
*/
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]);
//
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 Programer(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;
}
}
}
/**
*
* @Description 获取指定index上的员工的设备
* @author subei
* @date 2020年5月6日下午6:15:23
* @param i
* @return
*/
private Equipment createEquipment(int index) {
int type = Integer.parseInt(EQIPMENTS[index][0]);
switch (type) {
case PC:
return new PC(EQIPMENTS[index][1], EQIPMENTS[index][2]);
case NOTEBOOK:
int price = Integer.parseInt(EQIPMENTS[index][2]);
return new NoteBook(EQIPMENTS[index][1], price);
case PRINTER:
return new Printer(EQIPMENTS[index][1], EQIPMENTS[index][2]);
}
return null;
}
/**
*
* @Description 获取当前所有员工。
* @author subei
* @date 2020年5月6日下午8:22:47
* @return
*/
public Employee[] getAllEmployees() {
return employees;
}
/**
*
* @Description 获取指定ID的员工对象。
* @author subei
* @date 2020年5月6日下午8:26:12
* @param id
* @return
* @throws TeamException
*/
public Employee getEmployee(int id) throws TeamException{
for(Employee e : employees){
if(e.getId() == id){
return e;
}
}
throw new TeamException("找不到指定的员工");
}
}
/**
*
* @Description 自定义异常类
* @author subei Email:[email protected]
* @version
* @date 2020年5月6日下午8:29:54
*
*/
public class TeamException extends Exception{
static final long serialVersionUID = -33875169124229948L;
public TeamException(){
super();
}
public TeamException(String img){
super(img);
}
}
import org.junit.Test;
import github.domain.Employee;
import github.service.NameListService;
import github.service.TeamException;
/**
*
* @Description 对NameListService类的测试
* @author subei Email:[email protected]
* @version
* @date 2020年5月6日下午8:37:51
*
*/
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(){
int id = 101;
NameListService listService = new NameListService();
try {
Employee emp = listService.getEmployee(id);
System.out.println(emp);
} catch (TeamException e) {
System.out.println(e.getMessage());
}
}
}
import github.domain.Architect;
import github.domain.Designer;
import github.domain.Employee;
import github.domain.Programer;
/**
*
* @Description 关于开发团队成员的管理:添加、删除等。
* @author subei Email:[email protected]
* @version
* @date 2020年5月6日下午9:14:19
*
*/
public class TeamService {
private static int counter = 1; //为开发团队新增成员自动生成团队中的唯一ID
private final int MAX_MEMBER = 5; //限定开发团队的人数
private Programer[] team = new Programer[MAX_MEMBER]; //用来保存当前团队中的各成员对象
private static int total = 0; //记录团队成员的实际人数
public TeamService() {
super();
}
/**
*
* @Description 获取当前团队的所有对象,即返回team中所有程序员构成的数组
* @author subei
* @date 2020年5月6日下午9:19:18
* @return
*/
public Programer[] getTeam() {
Programer[] team = new Programer[total];
for (int i = 0; i < total; i++) {
team[i] = this.team[i];
}
return team;
}
/**
*
* @Description 向团队中添加成员,即将指定员工添加到开发团队中
* @author subei
* @date 2020年5月6日下午9:23:06
* @param e
* @throws TeamException
*/
public void addMember(Employee e) throws TeamException{
// 失败信息包含以下几种:
// – 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(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
Programer p = (Programer)e; //一定不会出现类型转化异常:ClassCaseException
if("BUSY".equalsIgnoreCase(p.getStatus().getNAME())){
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 Programer){
numOfPro++;
}
}
//正确的写法
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 Programer){
if(numOfPro >= 3){
throw new TeamException("团队中至多只能有三名程序员");
}
}
//错误的写法
// 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 Programer && numOfPro >= 3){
// throw new TeamException("团队中至多只能有三名程序员");
// }
//p的属性赋值
p.setStatus(Status.BUSY);
p.setMemberId(counter++);
//将p添加到现有的team中
team[total++] = p;
}
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,即删除指定memberId的程序员
* @author subei
* @date 2020年5月6日下午9:23:44
* @param memberId
* @throws TeamException
*/
public void removeMember(int memberId) throws TeamException{
int n = 0;
//找到指定memberId的员工,并删除
for (n = 0; n < total; n++) {
if (team[n].getMemberId() == memberId) {
team[n].setStatus(Status.FREE);
break;
}
}
//如果遍历一遍,都找不到,则报异常
if (n == total)
throw new TeamException("找不到该成员,无法删除");
//后面的元素覆盖前面的元素
for (int i = n + 1; i < total; i++) {
team[i - 1] = team[i];
}
//写法一
// team[total - 1] = null;
// total --;
//写法二
team[--total] = null;
}
}
import github.domain.Employee;
import github.domain.Programer;
import github.service.NameListService;
import github.service.TeamException;
import github.service.TeamService;
public class TeamView {
private NameListService listSvc = new NameListService();
private TeamService teamSvc = new TeamService();
public void enterMainMenu() {
boolean loopFlag = true;
char num = 0;
while (loopFlag) {
//小细节
if (num != '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):");
num = TSUtility.readMenuSelection();
switch (num) {
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;
}
}
}
/**
*
* @Description 以表格形式列出公司所有成员
* @author subei
* @date 2020年5月6日下午10:36:51
*/
private void listAllEmployees() {
System.out.println("\n-------------------------------开发团队调度软件--------------------------------\n");
Employee[] emps = listSvc.getAllEmployees();
if (emps == null || 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 (int i = 0;i < emps.length;i++) {
System.out.println(emps[i]);
}
System.out.println("-------------------------------------------------------------------------------");
}
/**
*
* @Description 显示团队成员列表操作
* @author subei
* @date 2020年5月6日下午10:37:45
*/
private void getTeam() {
// System.out.println("查看团队开发情况");
System.out.println("\n--------------------团队成员列表---------------------\n");
Programer[] 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\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].getDetailsForTeam());
}
}
System.out.println("-----------------------------------------------------");
}
/**
*
* @Description 实现添加成员操作
* @author subei
* @date 2020年5月6日下午10:38:43
*/
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();
}
/**
*
* @Description 实现删除成员操作
* @author subei
* @date 2020年5月6日下午10:38:28
*/
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 id = TSUtility.readInt();
System.out.print("确认是否删除(Y/N):");
char dn = TSUtility.readConfirmSelection();
if (dn == '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();
}
}
这个项目,先是自己写了一半,就写不下去了。之后看源码,看的似懂非懂,最后又去看视频,看到11:00,然后改bug改了1小时。最终,大体上清楚了,可还是有些地方比较懵。这里记录的是最后的源码,可以运行!!!
整个Java全栈系列都是笔者自己敲的笔记。写作不易,如果可以,点个赞呗!✌