第三章——上机

第三章

import java.util.Scanner;

public class Disanshangji_01 {
   public static void main(String[] args) {
       int ramdom = (int) (Math.random() * 10);
       System.out.println("我行我素管理系统>幸运抽奖\n");
       System.out.println("请输入会员号：");
       Scanner input = new Scanner(System.in);
       int custNo = input.nextInt();
       int baiwei = custNo / 100 %10;
       if (baiwei == ramdom) {
           System.out.println(custNo + "是幸运客户，获精美MP3一个。");
       }else{
           System.out.println(custNo+ "谢谢您的支持！");
       }
   }

}
2.

package jishiti;

import java.util.Scanner;

public class Disanzhang_02 {
   public static void main(String[] args) {
       System.out.println("我行我素购物管理系统>客户信息管理>添加客户信息");
       System.out.println("");
       System.out.print("请输入会员号(<4位整数>):");
       Scanner input = new Scanner(System.in);
       int huiyuan = input.nextInt();
       if(huiyuan>=1000&&huiyuan<10000){
           System.out.print("请输入会员生日(月/日<用两位数表示>):");
           int qwe = input.nextInt();
           System.out.print("请输入积分：");
           int asd = input.nextInt();
           System.out.println("已录入的会员信息是：");
           System.out.print(""+huiyuan);
           System.out.print("\t"+qwe);
           System.out.print("\t"+asd);
       }else{System.out.println("录入信息失败");}

   }

}
3

package disamzhang.dome;

import java.util.Scanner;

public class Dsanzhang_01 {
   public static void main(String[] args) {
       Scanner scanner = new Scanner(System.in);
       System.out.println("请输入是否会员：是（y）/否（其他字符）");
       String vip = scanner.next();
       System.out.println("请输入购买金额：");
       Double money = scanner.nextDouble();
       if(vip.equals("y")){
           if(money >=200){
               money=money*0.75;
           }else{
           money=money*0.8;
           }
       }else if(money >=100){
           money=money*0.9;
       }
           System.out.println("实际支付："+money);
   }

}
4

package disamzhang.dome;

import java.util.Scanner;

public class Disanzhang_04 {
public static void main(String[] args) {
Scanner money = new Scanner(System.in);
System.out.print("请输入会员积分：");
int fish = money.nextInt();
if(fish<2000){
System.out.println("该会员享受的折扣是：0.9");
}else if(2000<=fish && fish<4000){
System.out.println("该会员享受的折扣是：0.8");
}else if(4000<=fish && fish<8000){
System.out.println("该会员享受的折扣是：0.7");
}else{
System.out.println("该会员享受的折扣是：0.6");
}
}
}

猜你喜欢