package cn.bdqn.com;

import java.util.*;

public class Menu {
	Scanner input = new Scanner(System.in);

	public void showMenu() {
		System.out.println("\t\t歡迎登陸我行我素購物系統\n");
		System.out.println("\n\t\t1.登陸系統\t\t");
		System.out.println("\t\t2.退出\t\t");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("請輸入數字:");
		/*int num = input.nextInt();
		switch (num) {
		case 1:
			showmainMenu();
			break;
		case 2:
			System.out.println("退出");
			break;
		}*/
	}

	public void showmainMenu() {
		
		boolean con;
		do {System.out.println("我行我素購物管理系統\t\n");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("\t\t1.客戶資訊管\t\t\n");
		System.out.println("\t\t2.真情回饋\t\t\n");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("請輸入數字或按0返回上一級選單:");
			con = false;
			int no = input.nextInt();
			if (no == 1) {
				showcustoMenu();
			} else if (no == 2) {
				showsendMenu();
			} else if (no == 0) {
				showMenu();
			} else {
				System.out.println("請輸入數字!");
				con = true;
			}
		} while (con);
	}

	public void showcustoMenu() {
		System.out.println("我行我素購物管理系統\t\n");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("\t\t1.顯示所有客戶資訊\t\t\n");
		System.out.println("\t\t2.新增客戶資訊\t\t\n");
		System.out.println("\t\t3.修改客戶資訊\t\t\n");
		System.out.println("\t\t4.查詢客戶資訊\t\t\n");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("請輸入數字或按0返回上一級選單:");
		boolean con;
		do {
			con = false;
			int no = input.nextInt();
			if (no == 1) {
				System.out.println("1.顯示所有客戶資訊");
			} else if (no == 2) {
				System.out.println("2.新增客戶資訊");
			} else if (no == 3) {
				System.out.println("3.修改客戶資訊");
			} else if (no == 4) {
				System.out.println("4.查詢客戶資訊");
			} else if (no == 0) {
				showmainMenu();
			} else {
				System.out.println("請輸入數字!");
				con = true;
			}
		} while (con);
	}

	public void showsendMenu() {
		System.out.println("我行我素購物管理系統\t\n");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("\t\t1.幸運大放送\t\t\n");
		System.out.println("\t\t2.幸運抽獎\t\t\n");
		System.out.println("\t\t3.生日問候\t\t\n");
		System.out
				.println("*************************************************************************************\n");
		System.out.println("請輸入數字或按0返回上一級選單:");
		boolean con;
		do {
			con = false;
			int no = input.nextInt();
			if (no == 1) {
				System.out.println("1.幸運大放送");
			} else if (no == 2) {
				System.out.println("2.幸運抽獎");
			} else if (no == 3) {
				System.out.println("3.生日問候");
			} else if (no == 0) {
				showmainMenu();
			} else {
				System.out.println("請輸入數字!");
				con = true;
			}
		} while (con);
	}
}




package cn.bdqn.com;

import java.util.*;

public class TestMenu {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner input = new Scanner(System.in);
		Menu v = new Menu();

		boolean con;
		do {
			v.showMenu();
			con = false;
			int no = input.nextInt();
			switch (no) {
			case 1:
				v.showmainMenu();
				con = true;
				break;
			case 2:
				System.out.println("謝謝您的使用!");

				break;
			}
		} while (con);
	}

}