package xinyunchoujiang;import java.util.Scanner;/*** 
*    
* 项目名称：19qn3   
* 类名称：CaiDan   
* 类描述： 幸运抽奖  
* 创建人：Mu Xiongxiong  
* 创建时间：2020-4-2 下午5:13:15   
* 修改人：Mu Xiongxiong   
* 修改时间：2020-4-2 下午5:13:15   
* 修改备注：   
* 个人博客：https://blog.csdn.net/qq_34137397
* @version    
**/
public class CaiDan {static Scanner sc = new Scanner(System.in);static String name = "";static String pass = "";static int random = 0;static boolean isReg = false;	//是否注册static boolean isLogin = false;	//是否登陆static int [] jiang = new int [4];	//随机中奖客户public static void main(String[] args) {menu();}// 菜单的方法public static void menu() {Scanner sc = new Scanner(System.in);String ji = "";do {System.out.println("*****欢迎进入奖客富翁系统*****");System.out.println("\t1.注册");System.out.println("\t2.登录");System.out.println("\t3.抽奖");System.out.println("***************************");System.out.print("请选择菜单：");int choice = sc.nextInt();switch (choice) {case 1:System.out.println("[奖客富翁系统 > 注册]");reg();break;case 2:System.out.println("[奖客富翁系统 > 登录]");login();break;case 3:System.out.println("[奖客富翁系统 > 抽奖]");if(isLogin==true){choujiang();}else{System.out.println("还没登陆呢，请登录");}break;default:System.out.println("[您的输入有误！]");break;}System.out.println("继续吗？(y/n)");ji = sc.next();} while (ji.equals("y"));System.out.println("已经退出！！！");}//注册public static void reg() {System.out.println("请输入用户名：");name = sc.next();System.out.println("请输入密码：");pass = sc.next();random = (int) (Math.random() * 10000);System.out.println("用户名\t密码\t会员卡号");System.out.println(name + "\t" + pass + "\t" + random);isReg = true;}//登陆public static void login(){if(isReg==true){for(int i = 1;i<=3;i++){System.out.println("请输入用户名：");String name1 = sc.next();System.out.println("请输入密码：");String pass1 = sc.next();if(name1.equals(name)&&pass1.equals(pass)){System.out.println("登录成功");isLogin = true;break;}else if(i<3){System.out.println("还有"+(3-i)+"次机会");}else{System.out.println("没有机会了");}}}else{System.out.println("还没有注册呢");}}//抽奖public static void choujiang(){System.out.println("请输入您的卡号：");int kahao = sc.nextInt();for(int i = 0;i<4;i++){jiang[i] = (int)(Math.random()*10000);}System.out.println("中奖的卡号是：");for (int i : jiang) {System.out.print(i+"\t");}for (int i = 0; i < jiang.length; i++) {if(kahao==jiang[i]){System.out.println("您中奖啦");break;}}System.out.println("\n没有中奖呢");}}