sms.zip_客户管理系统

package pkg; /** * * * 图文无关 */ import java.util.Scanner; public class LoginMenu { public static void loginmenu(){ boolean flag= false; int n = 3; String errorMsg = ""; while(n>=1){ Scanner sc = new Scanner(System.in); System.out.println("************欢迎进入登陆页面****************"); System.out.print("请输入用户名:"); String username = sc.next(); System.out.print("请输入密码:"); String password = sc.next(); if(username.equals("aaa")&& password.equals("111")){ flag= true; System.out.print("输入正确"); break; }else{ n--; errorMsg = "用户名或密码错误，您还剩下" + n +"次机会"; } if(flag){ }else{ System.out.println(errorMsg); } } } }