项目三——开发团队人员调度软件
1. 项目需求
2. 项目最终结构
3. 具体实现
TSUtility.java
package 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;
}
}
Data.java
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
/**
* {"10", "1", "马云", "22", "3000"},
* {"13", "2", "马化腾", "32", "18000", "15000", "2000"},
*/
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"}
};
}
Equipment.java
package domain;
public interface Equipment {
public abstract String getDescription();
}j
NoteBook.java
package domain;
public class NoteBook implements Equipment{
private String model; //model 表示机器的型号
private double price; // 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;
}
public String getDescription() {
return model + "(" + price + ")";
}
}
PC.java
package domain;
public class PC implements Equipment{
private String model;
private String display; // 表示显示器名称
public PC() {
}
public PC(String model, String dispaly) {
this.model = model;
this.display = dispaly;
}
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 String getDescription() {
return model + "(" + display + ")";
}
}
Printer.java
package domain;
public class Printer implements Equipment{
private String name;
private String type; //表示机器的类型
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;
}
public String getDescription() {
return name + "(" + type + ")";
}
}
Employee.java
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 + " " + name + " " + age + " " + salary;
}
@Override
public String toString() {
return getDetails();
}
}
Programmer.java
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() {
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();
}
//2/6 任志强 22 6800.0 程序员
public String getDetailsForTeam() {
return memberId + "/" + getId() + " " + getName() + " " + getAge() + " " + getSalary() + " 程序员";
}
}
Status.java
package service;
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;
}
}
Designer.java
package domain;
/*
* 设计师与程序员的关系: 继承关系
*
*
*/
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 100000.0 设计师 5000.0
@Override
public String getDetailsForTeam() {
return getMemberId() + "/" + getId() + " " + getName() + " " + getAge() + " " + getSalary() + " 设计师 " + bonus;
}
}
Architect.java
package 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
@Override
public String getDetailsForTeam() {
return getMemberId() + "/" + getId() + " " + getName() + " " + getAge() + " " + getSalary() + " 架构师 " + getBonus() + " " + stock;
}
}
NameListService.java
package service;
import domain.Architect;
import domain.Designer;
import domain.Employee;
import domain.Equipment;
import domain.NoteBook;
import domain.PC;
import domain.Printer;
import domain.Programmer;
public class NameListService {
private Employee[] employee;
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Archite3.将对象存于数组中
// 3.将对象存于数组中
employee = new Employee[Data.EMPLOYEES.length];
for (int i = 0;i < employee.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;
double bonus;
int stock;
switch(type) {
case Data.EMPLOYEE:
employee[i] = new Employee(id, name, age, salary);
break;
case Data.PROGRAMMER:
equipment = createEquipment(i);
employee[i] = new Programmer(id, name, age, salary, equipment);
break;
case Data.DESIGNER:
equipment = createEquipment(i);
bonus = Double.parseDouble(Data.EMPLOYEES[i][5]);
employee[i] = new Designer(id, name, age, salary, equipment, bonus);
break;
case Data.ARCHITECT:
equipment = createEquipment(i);
bonus = Double.parseDouble(Data.EMPLOYEES[i][5]);
stock = Integer.parseInt(Data.EMPLOYEES[i][6]);
employee[i] = new Architect(id, name, age, salary, equipment, bonus, stock);
break;
}
}
}
//根据员工创建设备
private Equipment createEquipment(int index) {
int key = Integer.parseInt(Data.EQUIPMENTS[index][0]);
String modelOrName = Data.EQUIPMENTS[index][1];
switch(key) {
case Data.PC: //21
String display = Data.EQUIPMENTS[index][2];
return new PC(modelOrName, display);
case Data.NOTEBOOK: //22
double price = Double.parseDouble(Data.EQUIPMENTS[index][2]);
return new NoteBook(modelOrName, price);
case Data.PRINTER: //23
String type = Data.EQUIPMENTS[index][2];
return new Printer(modelOrName, type);
}
return null;
}
// 返回所有员工
public Employee[] getAllEmployees() {
return employee;
}
// 返回指定id的员工
public Employee getEmployee(int id) throws TeamException {
for (int i = 0;i < employee.length;i++) {
if (employee[i].getId() == id)
return employee[i];
}
throw new TeamException("找不到指定员工");
}
}
TeamService.java
package service;
/**
* 关于开发团队成员的管理：删除，添加
*/
import domain.Architect;
import domain.Designer;
import domain.Employee;
import domain.Programmer;
public class TeamService {
private static int counter = 1; // 给memberId赋值
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
/*
* getTeam()方法：返回当前团队的所有对象
* 返回：包含所有成员对象的数组，数组大小与成员人数一致
*/
public Programmer[] getTeam() {
Programmer[] team = new Programmer[total];
for (int i = 0;i < team.length;i++) {
team[i] = this.team[i];
}
return team;
}
/*
* addMember(e: Employee)方法：向团队中添加成员
* 参数：待添加成员的对象
* 异常：添加失败， TeamException中包含了失败原因
*/
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;
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");
}
// 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
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++;
}
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");
//
team[total++] = p;
p.setStatus(Status.BUSY);
p.setMemberId(counter++);
}
// 检查员工e是否已在本开发团队中
private boolean isExist(Employee e) {
for (int i = 0;i < total;i++) {
if (team[i].getId() == e.getId()) //
return true;
}
return false;
}
/*
* removeMember(memberId: int)方法：从团队中删除成员
* 参数：待删除成员的memberId
* 异常：找不到指定memberId的员工，删除失败
*/
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;j < total - 1;j++) {
team[j] = team[j+1];
}
team[--total] = null;
}
}
TeamException.java
package service;
public class TeamException extends Exception{
static final long serialVersionUID = 123456789L;
public TeamException() {
super();
}
public TeamException(String message) {
super(message);
}
}
TeamView.java
package view;
import java.util.Scanner;
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 isFlag = true;
char menu = 0;
while(isFlag){
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.print("确认是否退出（Y/N)");
char isExit = TSUtility.readConfirmSelection();
if(isExit == 'Y') {
isFlag = false;
}
}
}
}
//以表格形式列出公司所有成员
private void listAllEmployees() {
System.out.println("--------------------------开发团队成员调度软件---------------------------------");
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 name age salary position status bonus stock equipment");
for (int i = 0;i < employees.length;i++) {
System.out.println(employees[i]);
}
}
System.out.println("****************************************************************");
}
//显示团队成员列表操作
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("开发团队中没有任何员工");
}else {
System.out.println("tid/id name age salary position status bonus stock equipment");
for (int i = 0;i < team.length;i++) {
System.out.println(team[i].getDetailsForTeam());
}
}
System.out.println("****************************************************************");
}
//实现添加成员操作
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");
} catch (TeamException e) {
System.out.println("添加失败，原因:" + e.getMessage());
}
// 按回车键继续
TSUtility.readReturn();
}
//实现删除成员操作
private void deleteMember() {
System.out.println("--------------------------添加成员---------------------------------------");
System.out.println("请输入要添加的员工id:");
int memberId = TSUtility.readInt();
System.out.print("确认是否删除(Y/N):");
char isDelete = TSUtility.readConfirmSelection();
if (isDelete == 'Y') {
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 tv = new TeamView();
tv.enterMainMenu();
}
}