model.java

我这次还是java的代码

/**
 * 
 */
package hnu.software.pfdai;

import java.util.Observable;
import java.util.Random;

/**
 * @author daipengfei
 * 
 */
public class Model extends Observable {
	private int times;// 总次数

	private boolean[] door;

	private int choice;

	private int tipChoice;

	private double result;

	private String resultDetail;

	private String detail;

	private double rightCount;// 正确次数

	private double count;// 选择次数

	/**
	 * @return the door
	 */
	public boolean[] getDoor() {
		return door;
	}

	/**
	 * @param door
	 *            the door to set
	 */
	public void setDoor(boolean[] door) {
		this.door = door;
	}

	/**
	 * @return the tipChoice
	 */
	public int getTipChoice() {
		return tipChoice;
	}

	/**
	 * @param tipChoice
	 *            the tipChoice to set
	 */
	public void setTipChoice(int tipChoice) {
		this.tipChoice = tipChoice;
	}

	/**
	 * Constructs a new Model that is initially invisible.
	 * 
	 */
	public Model() {
		door = new boolean[] { false, false, false };
		initial();
	}

	/**
	 * initial the data
	 * 
	 */
	public void initial() {
		times = 0;
		choice = 0;
		tipChoice = 0;
		result = 0;
		rightCount = 0;
		count = 0;
		resultDetail = "";
		detail = "";
	}

	/**
	 * @return the choice
	 */
	public int getChoice() {
		return choice;
	}

	/**
	 * @param choice
	 *            the choice to set
	 */
	public void setChoice(int choice) {
		switch (choice) {
		case 0:
			this.choice = choice;
			break;
		case 1:
			this.choice = Math.abs(new Random().nextInt() % 3);
			break;
		case 2:
			for (int i = 0; i < door.length; i++)
				if (i != tipChoice && i != choice)
					this.choice = i;
		}
		// get the door number of the car
		int rInt = 0;
		for (; rInt < door.length; rInt++)
			if (door[rInt] == true)
				break;
		// assign the result data
		if (this.choice == rInt) {
			rightCount++;
			resultDetail += "*";
		} else {
			resultDetail += "!";
		}
		detail += rInt;
		count++;
		result = (rightCount / count) * 100;
		// initial the door
		for (int i = 0; i < door.length; i++)
			door[i] = false;
		this.setTimes(times - 1);
	}

	/**
	 * @return the times
	 */
	public int getTimes() {
		return times;
	}

	/**
	 * @param times
	 *            the times to set
	 */
	public void setTimes(int times) {
		if (times == 0) {
			for (int i = 0; i < door.length; i++)
				door[i] = false;
			initial();
		} else {
			// produce the random number
			Random r = new Random();
			int rInt = Math.abs(r.nextInt() % 3);

			door[rInt] = true;
			// choose one from doors
			this.choice = (rInt * 2) % 3;
			// give a tip choice
			for (int i = 0; i < door.length; i++) {
				if (i != this.choice && door[i] == false) {
					this.tipChoice = i;
					break;
				}
			}
		}
		this.times = times;
		this.setChanged();// Indicates that the model has changeds
		this.notifyObservers();
	}

	/**
	 * @return the detail
	 */
	public String getDetail() {
		return detail;
	}

	/**
	 * @param detail
	 *            the detail to set
	 */
	public void setDetail(String detail) {
		this.detail = detail;
	}

	/**
	 * @return the result
	 */
	public double getResult() {
		return result;
	}

	/**
	 * @param result
	 *            the result to set
	 */
	public void setResult(double result) {
		this.result = result;
	}

	/**
	 * @return the resultDetail
	 */
	public String getResultDetail() {
		return resultDetail;
	}

	/**
	 * @param resultDetail
	 *            the resultDetail to set
	 */
	public void setResultDetail(String resultDetail) {
		this.resultDetail = resultDetail;
	}
}