门禁系统

package com.handson.user;import java.util.Scanner;import com.handson.sys.Door;public class Guest {private String name;public Guest(){}public Guest(String name){this.name = name;}public String getName() {return name;}public void setName(String name) {this.name = name;}public void pressRing(Door door){Scanner in = new Scanner(System.in);System.out.println("访客"+getName()+"按下门铃吗？"+"y/n");String press = in.next();if(press.equalsIgnoreCase("y")){System.out.println("访客"+getName()+"按下门铃了！！！");door.setBellState(true);}}}package com.handson.user;import java.util.Scanner;public class Employee extends Guest {public Employee(){}public Employee(String name){super(name);}public String input(){System.out.println("请输入验证信息：");Scanner in = new Scanner(System.in);String information = in.next();return information;}}package com.handson.user;import java.util.Scanner;import com.handson.sys.Door;public class Admin extends Employee {public Admin() {}public Admin(String name) {super(name);}public boolean work(Door door) {boolean isOpenDoor = false;if (door.isBellState()) {System.out.println("管理员" + getName() + "是否开门？y/n");Scanner in = new Scanner(System.in);String input = in.next();if (input.equalsIgnoreCase("y")) {door.open();System.out.println(door.getDoorState());door.setBellState(false);isOpenDoor = true;} else {System.out.println("管理员拒绝开门！");}}return isOpenDoor;}public boolean work(Door door, Guest guest) {boolean isOpenDoor = false;isOpenDoor = work(door);return isOpenDoor;}}package com.handson.sys;import java.util.ArrayList;import java.util.HashMap;import java.util.Scanner;import com.handson.validate.CardVld;import com.handson.validate.FingerVld;import com.handson.validate.PasswordVld;public class Computer {private boolean flag = false;String[] srcContent = new String[100];ArrayList list = new ArrayList();HashMap map = new HashMap();public Computer(){srcContent [0]="100001";list.add("100002");map.put("1","100003");}public boolean validate(String inputMsg){System.out.println("请选择验证方式：");System.out.println("1.卡号验证    2.密码验证    3.指纹验证");Scanner in = new Scanner(System.in);int choose = in.nextInt();switch(choose){case 1:CardVld cardNumber = new CardVld();flag=cardNumber.check(srcContent, inputMsg);break;case 2:PasswordVld password = new PasswordVld();flag = password.check(list, inputMsg);break;case 3:FingerVld finger = new FingerVld();flag = finger.check(map, inputMsg);break;default:System.out.println("输入有误!");}return flag;}}package com.handson.sys;public class Door {private String doorState;//门的状态private boolean bellState;//门铃状态private static String OPEN = "门已开启.";private static String ClOSE = "门已关闭.";public Door(){}public Door(String doorState,boolean bellState){this.doorState = doorState;this.bellState = bellState;}public boolean isBellState() {return bellState;}public void setBellState(boolean bellState) {this.bellState = bellState;}public String getDoorState() {return doorState;}public void open(){doorState = OPEN;}public void close(){doorState = ClOSE;}}package com.handson.validate;public interface Validate {boolean check(Object obj,String inputMsg);}package com.handson.validate;public class CardVld implements Validate {private boolean flag = false;public boolean check(Object obj,String inputMsg) {String []srcContent = (String [])obj;for(int i=0;i<srcContent.length;i++){if(srcContent[i].equals(inputMsg)){flag = true;break;}}return flag;}}package com.handson.validate;import java.util.HashMap;public class FingerVld implements Validate{private boolean flag = false;@Overridepublic boolean check(Object obj, String inputMsg) {HashMap map = (HashMap)obj;for(int i=1;i<map.size();i++){if(map.get(i).equals(inputMsg)){flag = true;break;}}return flag;}}package com.handson.validate;import java.util.ArrayList;public class PasswordVld implements Validate{private boolean flag = false;@Overridepublic boolean check(Object obj, String inputMsg) {ArrayList list = (ArrayList)obj;for(int i=0;i<list.size();i++){if(list.get(i).equals(inputMsg)){flag = true;break;}}return flag;}}package com.handson.test;import java.util.Scanner;import com.handson.sys.Computer;import com.handson.sys.Door;import com.handson.user.Admin;import com.handson.user.Employee;import com.handson.user.Guest;public class Test {public static void main(String[] args) {int choose = 0;Door door = new Door();while (choose != 4) {System.out.println("请选择身份：1--访客.2--雇员.3--管理员.4--退出");Scanner in = new Scanner(System.in);choose = in.nextInt();switch (choose) {case 1:Guest guest = new Guest("G");guest.pressRing(door);Admin admin = new Admin("TianChengLin");admin.work(door, guest);break;case 2:Employee employee = new Employee("E");String inputMsg = employee.input();Computer PC = new Computer();if (PC.validate(inputMsg)) {door.open();System.out.println(door.getDoorState());} else {System.out.println("信息不匹配，开门失败!");}break;case 3:Admin ad = new Admin("TCL");door.setBellState(true);ad.work(door);break;case 4:System.exit(0);default:System.out.println("输入有误!");}}}}

运行结果：

心得体会：简单的实现了大体功能，验证的方面都是通过输入实现，通过这个项目的作业充分了解了JAVA各种类之间继承组合使用问题。