lifter.java

使用java语言实现的elevator模拟程序

package lifter;

import java.lang.*;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.awt.*;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import java.awt.event.*;

public class Lifter extends JFrame implements Runnable, ActionListener {
	public int requestedMoveState = 0;

	public int floorsInBuilding = 0;

	public int currentFloor = 0;

	public int moveState = 0;

	public JButton[] a;

	public JButton[] b;

	public int flag = 1;

	public void actionPerformed(ActionEvent e) {

		if (moveState == 1&&Integer.parseInt(e.getActionCommand())>this.currentFloor)
			this.addDestUp(Integer.parseInt(e.getActionCommand()));
		if (moveState == -1&&Integer.parseInt(e.getActionCommand())<this.currentFloor)
			this.addDestDown(Integer.parseInt(e.getActionCommand()));

		if (moveState == 0&&destFloors.isEmpty()) {
			if (Integer.parseInt(e.getActionCommand()) > this.currentFloor) {
				this.addDestUp(Integer.parseInt(e.getActionCommand()));
				moveState = 1;
			} else if (Integer.parseInt(e.getActionCommand()) < this.currentFloor) {
				this.addDestDown(Integer.parseInt(e.getActionCommand()));
				moveState = -1;

			}
		}
		if (flag == 1) {
			new Thread(this).start();
			flag = 0;
		}
	}

	public ArrayList<Integer> destFloors = (ArrayList) new java.util.ArrayList<Integer>();;

	public Lifter(int fb, int cf, int ms, Container container0) {
		Container container = new Container();
		Container container1 = new Container();
		Container container2 = new Container();
		container.setLayout(new GridLayout(fb, 1, 5, 5));
		container1.setLayout(new GridLayout(1, 2, 0, 0));
		container2.setLayout(new GridLayout(fb, 1, 0, 0));
		container0.add(container1);
		container1.add(container);
		container1.add(container2);

		a = new JButton[fb];
		b = new JButton[fb];
		this.floorsInBuilding = fb;
		this.currentFloor = cf;
		this.moveState = ms;
		for (int j = fb - 1; j >= 0; j--) {
			a[j] = new JButton();
			container.add(a[j]);
			container.setLayout(new GridLayout(fb, 1, 0, 0));
			// a[j].addActionListener(this);
			a[j].setBackground(Color.blue);
		}
		for (int j = fb - 1; j >= 0; j--) {
			b[j] = new JButton("" + (j + 1));
			container2.add(b[j]);
			b[j].addActionListener(this);
			container2.setLayout(new GridLayout(fb, 1, 0, 0));

		}

	}

	public void addDestUp(Integer receiverequest) {
		if (!destFloors.contains(receiverequest)) {
			destFloors.add(receiverequest);
		}
		Collections.sort(destFloors);

	}

	public void addDestDown(Integer receiverequest) {
		if (!destFloors.contains(receiverequest)) {
			destFloors.add(receiverequest);
		}
		Collections.sort(destFloors);
		Collections.reverse(destFloors);

	}

	public void addDest(Integer receiverequest) {
		if (!destFloors.contains(receiverequest)) {
			destFloors.add(receiverequest);
		}
	}

	public void printDest() {
		Iterator e = destFloors.iterator();
		System.out.print("dest: ");
		while (e.hasNext()) {

			System.out.print(e.next() + " ");
		}
		System.out.println("");
	}

	public synchronized void run() {
		// while (true) {

		System.out.print("in run " + this.moveState + " ");
		this.printDest();
		// moveState = 0;
		if (!destFloors.isEmpty()) {
			if (moveState == 1) {
				while (currentFloor < (Integer) destFloors.toArray()[0]) {
					currentFloor++;
					a[currentFloor - 1].setBackground(Color.black);
					for (int x = 0; x < currentFloor - 1; x++) {
						a[x].setBackground(Color.green);
					}
					try {
						Thread.sleep(1000);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					System.out
							.println(Thread.currentThread().getName()
									+ currentFloor
									+ " "
									+ (currentFloor == (Integer) destFloors
											.toArray()[0]));
					if (currentFloor == (Integer) destFloors.toArray()[0]) {
						try {
							Thread.sleep(1000);
						} catch (InterruptedException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}

						destFloors.remove(0);
						if (destFloors.isEmpty())
							break;
					}

				}
			} else if (moveState == -1) {

				while (currentFloor > (Integer) destFloors.toArray()[0]) {
					currentFloor--;
					a[currentFloor - 1].setBackground(Color.black);
					a[currentFloor].setBackground(Color.green);
					try {
						Thread.sleep(1000);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					System.out
							.println(Thread.currentThread().getName()
									+ currentFloor
									+ " "
									+ (currentFloor == (Integer) destFloors
											.toArray()[0]) + " " + moveState);
					if (currentFloor == (Integer) destFloors.toArray()[0]) {
						try {
							Thread.sleep(1000);
						} catch (InterruptedException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}

						destFloors.remove(0);
						if (destFloors.isEmpty())
							break;
					}
				}

			} else if (moveState == 0) {
				while (currentFloor < (Integer) destFloors.toArray()[0]) {
					currentFloor++;
					a[currentFloor - 1].setBackground(Color.black);
					for (int x = 0; x < currentFloor - 1; x++) {
						a[x].setBackground(Color.green);
					}
					try {
						Thread.sleep(1000);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					System.out
							.println(Thread.currentThread().getName()
									+ currentFloor
									+ " "
									+ (currentFloor == (Integer) destFloors
											.toArray()[0]));
					if (currentFloor == (Integer) destFloors.toArray()[0]) {
						try {
							Thread.sleep(1000);
						} catch (InterruptedException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}

						destFloors.remove(0);
						if (destFloors.isEmpty())
							break;
					}

				}
				while (currentFloor > (Integer) destFloors.toArray()[0]) {

					currentFloor--;
					a[currentFloor - 1].setBackground(Color.black);
					a[currentFloor].setBackground(Color.green);
					try {
						Thread.sleep(1000);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					System.out
							.println(Thread.currentThread().getName()
									+ currentFloor
									+ " "
									+ (currentFloor == (Integer) destFloors
											.toArray()[0]) + " " + moveState);
					if (currentFloor == (Integer) destFloors.toArray()[0]) {
						try {
							Thread.sleep(1000);
						} catch (InterruptedException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}

						destFloors.remove(0);
						if (destFloors.isEmpty())
							break;
					}

				}
			}

			// System.out.println("waiting");
			// }
		}
		moveState = 0;
		flag = 1;
		System.out.print(this.moveState);
		printDest();

	}
}