购物登录系统

package com.qingdaoligong.jierui;

public class Start {          //购物类
   boolean result; public void window(){ System.out.println("欢迎使用我心我塑购物管理系统"); System.out.println("1.登录系统"); System.out.println("2.退出"); } public boolean scanner(String name,String password){ if(!name.equals("bird")||!password.equals("0000")){ result=true; }else{ result=false; } return result; } }
package com.qingdaoligong.jierui;
import java.util.Scanner;
public class StartTest {                //测试类
    public static void main(String[] args) {
        Start sms=new Start();
        Scanner input=new Scanner(System.in);
        String name;
        String password;
        String Y="n";
        do{
         Y="n";
        sms.window();
        System.out.println("输入选项1or2:");
        int     shuzi=input.nextInt();
        switch(shuzi){
        case 1:  
                System.out.println("请输入名称:");
                name = input.next();
                System.out.println("请输入密码:");
                password = input.next();
                boolean result = sms.scanner(name, password);
                if(result){
                    System.out.println("账户或密码错误,请重新登录:");
                    System.out.println("输入‘y’继续");
                    Y=input.next();
                }else{
                    System.out.println("登录成功");
                }
                break;
        case 2:  
            System.out.println("退出");
            break;
        default    :
            System.out.println("叫你输入1或2,是不是傻");
    }
        }while(Y.equals("y"));
        input.close();
    }
}

 

posted @ 2016-08-03 15:39  早上~得~喝粥  阅读(88)  评论(0编辑  收藏  举报