一个小程序 - 黑马程序员技术交流社区

import java.util.Random;
import java.util.Scanner;
public class LoginTest {
public static void main(String[] args) {
//创建对象
User user = new User();
user.setUserName("maxilong");
user.setUserPassword("12345");
w: for (int x = 0; x < 3; x++) {
//获取键盘录入
Scanner sc = new Scanner(System.in);
System.out.println("请输入用户名：");
String name = sc.nextLine();
System.out.println("请输入密码：");
String pwd = sc.nextLine();
//判断用户名和密码是否正确
if (user.isLogin(name, pwd)) {
System.out.println("恭喜您登陆成功！");
int i = 100;
//创建Random类并调用对象
Random r = new Random();
int y = r.nextInt(i);
while (true) {
Scanner sc1 = new Scanner(System.in);
System.out.println("请您输入一个数(1-100)——猜数字游戏开始：");
int num = sc1.nextInt();
if (num > y) {
System.out.println("您猜的数" + num + "大了，再猜猜看！");
} else if (num < y) {
System.out.println("您猜的数" + num + "小了，再猜猜看！");
} else {
System.out.println("恭喜您，猜对了，大神...");
//跳出标记的循环
break w;
}
}
} else {
if ((2 - x) == 0) {
System.out.println("用户已被锁定，请与管理员联系！");
break;
}
System.out.println("用户名或密码不正确，请重新输入，您的登录次数还有" + (2 - x) + "次！");
}
}
}
}
public class User {
private String userName;
private String userPassword;
public User() {
super();
// TODO Auto-generated constructor stub
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getUserPassword() {
return userPassword;
}
public void setUserPassword(String userPassword) {
this.userPassword = userPassword;
}
/**
*
* @param name
* 用户名
* @param password
* 密码
* @return 用户登录是否成功
*/
public boolean isLogin(String userName, String userPassword) {
return this.userName.equals(userName)
&& this.userPassword.equals(userPassword);
}
}

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