Java教程
面向对象开源项目-＞开发团队调度软件
本文主要是介绍面向对象开源项目-＞开发团队调度软件，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！
com.zx.team.domain
package com.zx.team.domain;
public class Architect extends Designer {
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 Architect() {
super();
}
private int stock;// 股票
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();
}
@Override
public String getDetailsForTeam() {
return getTeamBaseDetails() + "\t架构师\t" + getBonus() + "\t" + getStock();
}
}
package com.zx.team.domain;
public class Designer extends Programmer {
public Designer(int id, String name, int age, double salary, Equipment equipment, double bonus) {
super(id, name, age, salary, equipment);
this.bonus = bonus;
}
public Designer() {
super();
}
private double bonus;// 奖金
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();
}
@Override
public String getDetailsForTeam() {
return getTeamBaseDetails() + "\t设计师\t" + getBonus();
}
}
package com.zx.team.domain;
public class Employee {
private int id;
private String name;
private int age;
private double salary;
public int getId() {
return id;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
public double getSalary() {
return salary;
}
public void setId(int id) {
this.id = id;
}
public void setName(String name) {
this.name = name;
}
public void setAge(int age) {
this.age = age;
}
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() {// 这样做可以调用父类的父类！！！！！！！！！！
return id + "\t" + name + "\t" + age + "\t" + salary;
}
@Override
public String toString() {
return getDetails();
}
}
package com.zx.team.domain;
public interface Equipment {
String getDescription();// 省略了：public abstract
}
package com.zx.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 double getPrice() {
return price;
}
public void setModel(String model) {
this.model = model;
}
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 + ")";
}
}
package com.zx.team.domain;
public class PC implements Equipment {
private String model;// 机器的型号
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 String getDisplay() {
return display;
}
public void setModel(String model) {
this.model = model;
}
public void setDisplay(String display) {
this.display = display;
}
@Override
public String getDescription() {
return model + "(" + display + ")";
}
}
package com.zx.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 String getType() {
return type;
}
public void setName(String name) {
this.name = name;
}
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 + ")";
}
}
package com.zx.team.domain;
import com.zx.team.service.Status;
public class Programmer extends Employee {
private int memberId;// 开发团队中的Id
private Status status = Status.FREE;// 这块的赋值注意理解一下！！！！！！！！！！！
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 Status getStatus() {
return status;
}
public Equipment getEquipment() {
return equipment;
}
public void setMemberId(int memberId) {
this.memberId = memberId;
}
public void setStatus(Status status) {
this.status = status;
}
public void setEquipment(Equipment equipment) {
this.equipment = equipment;
}
@Override
public String toString() {
return getDetails() + "\t程序员\t" + status + "\t\t\t" + getEquipment().getDescription();
}
public String getTeamBaseDetails() {
return memberId + "/" + getId() + "\t" + getName() + "\t" + getAge() + "\t" + getSalary();
}
public String getDetailsForTeam() {
return getTeamBaseDetails() + "\t程序员";
}
}
com.zx.team.service
package com.zx.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: 10, id, name, age, salary
// Designer : 10, id, name, age, salary, bonus
// Architect : 10, 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.zx.team.service;
//导入此地址下的所有static结构//.*的作用
import static com.zx.team.service.Data.ARCHITECT;
import static com.zx.team.service.Data.DESIGNER;
import static com.zx.team.service.Data.EMPLOYEE;
import static com.zx.team.service.Data.EMPLOYEES;
import static com.zx.team.service.Data.EQUIPMENTS;
import static com.zx.team.service.Data.NOTEBOOK;
import static com.zx.team.service.Data.PC;
import static com.zx.team.service.Data.PRINTER;
import static com.zx.team.service.Data.PROGRAMMER;
import com.zx.team.domain.Architect;
import com.zx.team.domain.Designer;
import com.zx.team.domain.Employee;
import com.zx.team.domain.Equipment;
import com.zx.team.domain.NoteBook;
import com.zx.team.domain.PC;
import com.zx.team.domain.Printer;
import com.zx.team.domain.Programmer;
/**
* @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 zxdym
* @2021年7月7日
*/
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、Prlgrammer、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]);// String转化为 int：包装类的使用
// 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 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 index
* @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;
}
/**
* @Description 获取当前所有的员工
* @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");
}
}
package com.zx.team.service;
/**
* @Description 表示员工的状态
* @author zxdym
* @2021年7月6日
*/
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;
}
}
package com.zx.team.service;
/**
* @Description 自定义异常类
* @author zxdym
* @2021年7月14日
*/
public class TeamException extends Exception {
static final long serialVersionUID = -33751699329948L;
public TeamException() {
super();
}
public TeamException(String msg) {
super(msg);
}
}
package com.zx.team.service;
import com.zx.team.domain.Architect;
import com.zx.team.domain.Designer;
import com.zx.team.domain.Employee;
import com.zx.team.domain.Programmer;
/**
* @Description 关于开发团队成员的管理：添加、删除等。
* @author zxdym
* @2021年7月15日
*/
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();
}
/**
* 获取团队开发中的所有成员
*
* @return
*/
public Programmer[] getTeam() {
Programmer[] team = new Programmer[total];// 新建一个数组保存开发团队实际成员
for (int i = 0; i < team.length; i++) {
team[i] = this.team[i];// this.team代表全局的数组team
}
return team;
}
/**
* 将指定的员工添加到开发团队中
*
* @param e
*/
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("该成员不是开发成员，无法添加");
}
if (isExist(e)) {
throw new TeamException("该成员已在本开发团队中");
}
Programmer p = (Programmer) e;// 一定不会出现ClassCastException;走到这，已经说明是Programmer
// 后者增加了空指针异常的风险
if ("BUSY".equals(p.getStatus().getNAME())) {// if(p.getStatus().getNAME().equals("BUSY")) {
throw new TeamException("该成员已是某团队成员");
} else if ("VOCATION".equals(p.getStatus().getNAME())) {
throw new TeamException("该员工正在休假，无法添加");
}
// 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++;
}
}
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.setMemberId(counter++);
}
/**
* 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++) {
if (team[i].getId() == e.getId()) {
return true;
}
// return team[i].getId() == e.getId();也行
}
return false;
}
/**
* 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.zx.team.view
package com.zx.team.view;
/有问题：1.TID/ID没显示全，2.删除团队成员时，删一个，所有的都没了！！！！！！！！！！
import com.zx.team.domain.Employee;
import com.zx.team.domain.Programmer;
import com.zx.team.service.NameListService;
import com.zx.team.service.TeamException;
import com.zx.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') {// 这个操作理解不了看视频，但有没有无所谓
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.readConfirmSclection();
if (isExit == 'Y') {
loopFlag = false;
}
break;
}
}
}
/**
* 显示所有的员工信息
*/
private void listAllEmployees() {
System.out.println("--------------------------开发团队调度软件-------------------------\n");
Employee[] employees = listSvc.getAllEmployees();
if (employees == null || employees.length == 0) {// 严密的判空方式，以后用这个！！！！！！！！！！
System.out.println("公司中没有任何员工信息！");
} 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 < employees.length; i++) {
System.out.println(employees[i]);
}
}
System.out.println("------------------------------------------------------------------------");
}
private void getTeam() {
System.out.println("------------------------团队成员列表-------------------------------\n");
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\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].getDetailsForTeam());
}
}
System.out.println("-------------------------------------------------------------------");
}
private void addMember() {
System.out.println("-------------------------添加成员--------------------------------\n");
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);
} 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("-------------------------删除成员----------------------------------\n");
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.readConfirmSclection();
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();
}
}
package com.zx.team.view;
import java.util.Scanner;
/**
* @Description 项目中提供了TSUtility.java类，可用来方便的实现键盘访问。
* @author zxdym
* @2021年7月6日
*/
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。
* @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。
*/
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。
* @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。
* @return
*/
public static char readConfirmSclection() {
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;
}
}
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