新增写入文件，完善游戏界面中

src/game21/Card.java

@@ -1,24 +1,66 @@
 package game21;
 
+import java.util.Random;
+
+//abstract
 public class Card {
-	private Integer id;
-	private String suit;
-	private String number;
-	
-	public void setCard(Integer id, String number, String suit) {
-		this.number = number;
-		this.id = id;
-		this.suit = suit;
+	private int cardId;
+	private String cardSuit;
+	private String cardNum;
+
+	// 随机生成cardId放到获取方法中，节省新建对象数目
+	public int getCardId() {
+		this.cardId = new Random().nextInt(52);
+		return cardId;
 	}
-	public Integer getId() {
-		return id;
+
+	// 按照一定的方法将ID转换成卡牌信息
+	public String getCard(int cardId) {
+		String card = getCardSuit(cardId) + getCardNum(cardId);
+		return card;
 	}
-	public String getSuit() {
-		return suit;
+
+	public String getCardSuit(int cardId) {
+		// cardSuit = Integer.toString((cardId / 13 + 1))
+		switch ((cardId / 13 + 1)) {
+		case 1:
+			cardSuit = "黑桃";
+			break;
+		case 2:
+			cardSuit = "红桃";
+			break;
+		case 3:
+			cardSuit = "梅花";
+			break;
+		case 4:
+			cardSuit = "方块";
+			break;
+		default:
+			break;
+		}
+		return cardSuit;
 	}
-	public String getNumber() {
-		return number;
+
+	public String getCardNum(int cardId) {
+		// cardNum = Integer.toString((cardId % 13 + 1))
+		switch (cardId % 13 + 1) {
+		case 1:
+			cardNum = "A";
+			break;
+		case 11:
+			cardNum = "J";
+			break;
+		case 12:
+			cardNum = "Q";
+			break;
+		case 13:
+			cardNum = "K";
+			break;
+		default:
+			cardNum = Integer.toString((cardId % 13 + 1));
+			break;
+		}
+		return cardNum;
 	}
-
-
+
 }

src/game21/CardInHand.java

@@ -0,0 +1,17 @@
+package game21;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CardInHand {
+	private List<Integer> cardInHand = new ArrayList<Integer>();
+
+	public List<Integer> getCardInHand() {
+		return cardInHand;
+	}
+
+	public void addCardInHand(int card) {
+		this.cardInHand.add(card);
+	}
+
+}

src/game21/Checkinput.java

@@ -0,0 +1,11 @@
+package game21;
+
+public class Checkinput {
+	public boolean chkPassword(String userPassword, String userRptPassword) {
+		if (userPassword.equals(userRptPassword))
+			return true;
+		return false;
+	}
+
+	//WIP:¸÷ÖÖ·Ç·¨ÊäÈëÅжϡ£
+}

src/game21/InputStream.java

@@ -0,0 +1,126 @@
+package game21;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.util.Scanner;
+
+public class InputStream {
+	private Scanner in = new Scanner(System.in);
+
+	public String inputString() {
+		// WIP:输入含有空格后自动忽略。
+		String inputstring = in.next();
+		return inputstring;
+	}
+
+	/**
+	 * overloading inputString()，增加限定输入范围 特性： 当最小值大于最大值时候互换数值保证程序健壮 限定接受的数值范围，保证程序健壮
+	 * 
+	 * @param minLength
+	 *            可接受的取值范围：1-255
+	 * @param maxLength
+	 *            可接受的取值范围：1-255
+	 * @return
+	 * @throws IllegalArgumentException
+	 *             非法范围的参数值
+	 */
+	public String inputString(int minLength, int maxLength) throws IllegalArgumentException {
+		// 检查输入参数的合法性
+		boolean chklegal = minLength <= 0 || maxLength <= 0 || minLength > 255 || maxLength > 255;
+		if (chklegal) {
+			throw new IllegalArgumentException("非法参数范围！取值范围为1-255。");
+		}
+		// ADD:检查长度限定，如果最小值大于最大值，交换值
+		if (minLength > maxLength) {
+			minLength += maxLength;
+			maxLength = minLength - maxLength;
+			minLength = minLength - maxLength;
+		}
+		String tmp;
+		do {
+			tmp = inputString();
+			if (tmp.length() < minLength) {
+				System.out.println("输入长度过短，请输入大于" + minLength + "长度的字符！");
+			} else if (tmp.length() > maxLength) {
+				System.out.println("输入长度过长，请输入小于" + maxLength + "长度的字符！");
+			}
+		} while (tmp.length() < minLength || tmp.length() > maxLength);
+		return tmp;
+	}
+
+	/**
+	 * overloading inputint() 增加输入范围的设置
+	 * 
+	 * @param min
+	 * @param max
+	 * @return
+	 * @throws IllegalArgumentException
+	 *             非法范围的参数值
+	 */
+	public int inputint(int min, int max) throws IllegalArgumentException {
+		// 输入合法性检验
+		boolean illegal = min <= 0 || max <= 0 || min > 255 || max > 255;
+		if (illegal) {
+			throw new IllegalArgumentException("非法参数范围！取值范围为1-255。");
+		}
+		if (min > max) {
+			min = min + max;
+			max = min - max;
+			min = min - max;
+		}
+		int inputint = 0;
+		do {
+			try {
+				inputint = in.nextInt();
+			} catch (Exception e) {
+				System.out.println("请输入整数！");
+			}
+			if (inputint < min) {
+				System.out.println("输入数据超限！请输入大于" + min + "的数值");
+			} else if (inputint > max) {
+				System.out.println("输入数据超限！请输入小于" + max + "的数值");
+			}
+		} while (inputint < min || inputint > max);
+		return inputint;
+	}
+
+	/*
+	 * 登陆数据载入以及验证登陆
+	 */
+	private static final String DATABASE_PATH = "./UserDatabase/";
+
+	static {
+		File temp = new File(DATABASE_PATH);
+		temp.mkdirs();
+	}
+
+	public boolean extUser(String name) {
+		File temp = new File(DATABASE_PATH + name + ".txt");
+		return temp.exists();
+	}
+
+	public boolean chkPassword(String name, String password)
+			throws FileNotFoundException, IOException, ClassNotFoundException {
+		if (!extUser(name)) {
+			System.out.println("用户名不存在或者密码错误！");
+			return false;
+		}
+		User user = readUserInfo(name);
+		if (!user.getUserPassword().equals(password)) {
+			System.out.println("用户名不存在或者密码错误！");
+			return false;
+		}
+		return true;
+	}
+
+	public User readUserInfo(String name) throws FileNotFoundException, IOException, ClassNotFoundException {
+		File temp = new File(DATABASE_PATH + name + ".txt");
+		ObjectInputStream ois = new ObjectInputStream(new FileInputStream(temp));
+		User user = (User) ois.readObject();
+		ois.close();
+		return user;
+	}
+}