发牌程序（一）

package SendCard;import java.awt.Color;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextArea;public class DealCard {public DealCard(int cardMax, int personNumber) {CardBuffer cardbuffer = new CardBuffer(personNumber);new SendCardThread(cardbuffer, cardMax).start();String[] titles = { "北", "东", "南", "西" };int[] x = { 300, 550, 300, 50 };int[] y = { 200, 320, 440, 320 };for (int i = 0; i < personNumber; i++) {new ReceiveCardThread(cardbuffer, i, titles[i], x[i], y[i]);}}public static void main(String[] args) {new DealCard(52, 4);// 52张牌，4个人收}}class CardBuffer {private int personNumber;// 多少人接收private int value;private int order;// 接牌的循序private boolean isEmpty;// 旗杆标志public CardBuffer(int personNumber) {this.personNumber = personNumber;isEmpty = true;order = 0;}public synchronized void put(int value) {while (!isEmpty) {// 要放入数据，必须buffer为空try {this.wait();} catch (InterruptedException e) {System.out.println("buffer不为空，等待异常！！");}}this.value = value;isEmpty = !isEmpty;this.notifyAll();}public synchronized int get(int order) {while (isEmpty || this.order != order) {// 只有是有序的人才能接收try {this.wait();} catch (InterruptedException e) {System.out.println("buffer为空，等待异常！！");}}isEmpty = !isEmpty;this.notifyAll();this.order = (this.order + 1) % this.personNumber;// 有序发牌return value;}}class SendCardThread extends Thread {private CardBuffer buffer;private int cardMax;private int[] cardNumber;// 0 1 2 3 4 5 .... 51public SendCardThread(CardBuffer buffer, int cardMax) {this.buffer = buffer;this.cardMax = cardMax;this.setPriority(MAX_PRIORITY);cardNumber = new int[cardMax];for (int i = 0; i < cardNumber.length; i++) {// 初始化牌cardNumber[i] = i;}}public int[] shuffle(int[] cleancard) {if(cleancard==null||cleancard.length==0){return null;}int[] mycleancard = new int[cleancard.length];for (int i = 0; i < mycleancard.length; i++) {mycleancard[i] = cleancard[i];}int temp = 0, rand;for (int i = 0; i < mycleancard.length; i++) {// 第i个的元素与第rand个的元素 交换rand = (int) (Math.random() * 100) % cardMax;// 交换位置,错序temp = mycleancard[rand];mycleancard[rand] = mycleancard[i];mycleancard[i] = temp;}return mycleancard;}@Overridepublic void run() {int[] mycard = shuffle(cardNumber);for (int i = 0; i < mycard.length; i++) {buffer.put(mycard[i]);}for (int i = 0; i < 4; i++) {// 使4个接收线程关闭buffer.put(-1);}}}class ReceiveCardThread extends JFrame implements Runnable {private CardBuffer buffer;private int order;private JTextArea text;private Color[] colors;public ReceiveCardThread(CardBuffer buffer, int order, String title, int x,int y) {super(title);setLocation(x, y);setSize(250, 100);setDefaultCloseOperation(EXIT_ON_CLOSE);this.buffer = buffer;this.order = order;this.buffer = buffer;text = new JTextArea();text.setLineWrap(true);text.setEditable(false);getContentPane().add(text);colors  = new Color[] {Color.BLACK,Color.RED,Color.GRAY,Color.pink};setVisible(true);new Thread(this).start();}@Overridepublic void run() {while (true) {int value = buffer.get(order);int color = value/13;if(value==-1){return ;}text.append(String.format("%4d", value));try {Thread.sleep(30);} catch (InterruptedException e) {System.out.println("qwer");}}}}