c2.java

几个北大青鸟的源代码

package 第八章阶段;

import java.util.Scanner;

public class C2 {
	Data C3 = new Data();

	public void pay() {
		C3.initial();
		int hao;
		String name = "";
		double jiaGe = 0;
		int bianHao;
		int shuLiang;
		double qian = 0;
		System.out.println("我行我素购物管理系统 > 购物结算\n\n");
		System.out
				.println("**************************************************************");
		System.out.println("请选择购买商品：\n");
		System.out.println("1.addidas运动鞋\n2.addidasT恤\n3.Nike运动鞋");
		System.out
				.println("**************************************************************");
		Scanner input = new Scanner(System.in);
		System.out.print("请输入会员号：");
		hao = input.nextInt();
       boolean o=true;
		for (int i = 0; i < C3.custNo.length; i++) {
			if (hao == C3.custNo[i]) {

				String answer = "y";
				while (answer.equals("y")) {
					System.out.print("请输入购买商品编号：");
					bianHao = input.nextInt();
					System.out.print("请输入购买商品数量：");
					shuLiang = input.nextInt();
					switch (bianHao) {
					case 1:
						name = "addidas运动鞋";
						jiaGe = 880;
						break;
					case 2:
						name = "addidasT恤";
						jiaGe = 428.78;
						break;
					case 3:
						name = "Nike运动鞋";
						jiaGe = 900;
						break;
					}
					qian = qian + jiaGe * shuLiang;
					System.out.println(name + "\t" + "￥" + jiaGe + "\t\t￥"
							+ qian);
					System.out.print("\n是否继续（y/n)");
					answer = input.next();

				}
				System.out.println("折扣：0.8");
				qian = qian * 0.8;
				System.out.println("金额总计\t￥" + qian);

				System.out.print("请交费：");
				int shiJi = input.nextInt();
				System.out.println("实际交费\t￥" + shiJi);
				double zhanQian = shiJi - qian;
				System.out.println("找钱\t￥" + zhanQian);
				int jifen = (int) qian * 3 / 100;
				System.out.println("本次购物所获积分是：" + jifen);
				o=false;
				break;
			}

			if(o){
				
				System.out.print("输入错误！请重新输入：");
				hao = input.nextInt();
			}
		}
		

	}
}