ATM.rar_ATM机

package atm; import java.util.Scanner; public class YinHang { Card[] cards = new Card[10]; int i=0; Scanner s = new Scanner(System.in); //申请新卡 public void kaika() { if(i>cards.length-1) { System.out.println("暂时不能申请新卡"); } else { System.out.println("请输入卡号"); String cardNo = s.next(); System.out.println("请输入开卡金额"); double money = s.nextDouble(); cards[i] = new Card(cardNo,money); i++; System.out.println("开卡成功！！"); } } public void qukuan() { System.out.println("取款"); } public void cunkuan() { System.out.println("请输入卡号"); String cardNo = s.next(); System.out.println("请输入存款金额"); double money = s.nextDouble(); //找到卡，往里存 boolean isFind = false;//是否找到 Card card = null; for(int i=0;i<cards.length;i++) { if(cards[i]!=null) { if(cards[i].getCardNo().equals(cardNo)) { isFind = true; card = cards[i]; break; } } } if(isFind) { card.cun(money); System.out.println("存款成功"); } else { System.out.println("输入卡号错误"); } } public void chaxun() { System.out.println("请输入卡号"); String kahao = s.next(); boolean isFind = false;//是否找到 Card card = null; for(int i=0;i<cards.length;i++) { if(cards[i]!=null) { if(cards[i].getCardNo().equals(kahao)) { isFind = true; card = cards[i]; break; } } } if(isFind) { System.out.println("卡号："+card.getCardNo()+"；存款额："+card.getMoney()); } else { System.out.println("没有这张卡"); } } public void zhuanzhang() { System.out.println("请输入转出卡号"); String cardNo1 = s.next(); System.out.println("请输入转入卡号"); String cardNo2 = s.next(); System.out.println("请输入转帐金额"); double money = s.nextDouble(); //找到两张卡，一个存，一个取 Card card1 = queryCard(cardNo1); Card card2 = queryCard(cardNo2); if(card1!=null&&card2!=null) { card1.qu(money); card2.cun(money); System.out.println("转帐成功"); } else System.out.println("卡号输入有误"); } public Card queryCard(String cardNo) { Card card = null; for(int i=0;i<cards.length;i++) { if(cards[i]!=null) { if(cards[i].getCardNo().equals(cardNo)) { card = cards[i]; break; } } } return card; } public void welcomeUi() { System.out.println("**********************"); System.out.println("****1、申请新卡******"); System.out.println("****2、存款***********"); System.out.println("****3、取款***********"); System.out.println("****4、查询***********"); System.out.println("****5、转帐***********"); System.out.println("****0、退出***********"); System.out.println("**********************"); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub YinHang yh = new YinHang(); while(true) { yh.welcomeUi(); Scanner sc = new Scanner(System.in); int xuanze = sc.nextInt(); switch(xuanze) { case 1:yh.kaika();break; case 2:yh.cunkuan();break; case 3:yh.qukuan();break; case 4:yh.chaxun();break; case 5:yh.zhuanzhang();break; case 0:System.exit(0);break; default:System.out.println("选择错误");break; } } } }