基于Java和Web技术的机构代码设计源码

package cn.bdqn; import java.util.Arrays; import java.util.Scanner; public class Orders { Scanner scanner = new Scanner(System.in); // 订餐人姓名 String[] names = new String[4]; // 订餐的菜品名称 String[] dishMessage = new String[4]; // 订餐数量 int[] nums = new int[4]; // 送餐时间 int[] times = new int[4]; // 送餐地址 String[] address = new String[4]; // 单品的总价 double[] sumPrices = new double[4]; // 签收状态 0表示预定，1表示签收 int[] states = new int[4]; // 菜单信息 String[] dishNames = {"红烧带鱼", "鱼香肉丝", "时令鲜蔬"}; // 菜品的单价 double[] prices = {38.0, 20.0, 10.0}; // 菜品的点赞数 int[] priseNum = new int[3]; //定义服务方法 public void service() { while (true) { System.out.println("欢迎使用\"吃货者联盟订餐系统\""); System.out.println("**************************"); System.out.println("1.我要订餐"); System.out.println("2.查看餐袋"); System.out.println("3.签收订单"); System.out.println("4.删除订单"); System.out.println("5.我要点单"); System.out.println("6.退出系统"); System.out.println("**************************"); System.out.println("请选择（1-6）"); int num = 0; try { num = scanner.nextInt(); } catch (Exception e) { String res = scanner.next(); System.out.println("选项必须是1-6的整数，你输入的是" + res); continue; } switch (num) { case 1: task1(); break; case 2: task2(); break; case 3: task3(); break; case 4: break; case 5: break; case 6: System.out.println("退出系统"); return; default: System.out.println("没有选项" + num); break; } } } private void task3() { System.out.println("****签收订单****"); //3-1先判断数组是否为空数组 boolean flag = false; for (String name : names) { if (name != null){ flag = true; break; } } if (flag == false){ System.out.println("餐袋是空的，请去点餐吧!"); return; } //3-2输出餐袋信息 showMsg(); //3-3选择要签收的订单序号：输入bug？index越界bug? System.out.println("输入要签收的订单号"); int num = scanner.nextInt(); if (num > names.length || num < 1){ System.out.println("序号是1-" + names.length + "范围"); return; } int index = num - 1; if (names[index] == null){ System.out.println("此订单不存在，不能签收"); return; } } //查看餐袋 private void task2() { System.out.println("****查看餐袋****"); //2-1判断餐袋是否为空 System.out.println("****查看餐袋****"); // 2-1 判断餐袋是否为空 int count = 0; for (String name : names) { if (name != null) { count++; } } if (count == 0) { System.out.println("餐袋是空的,请去点餐！"); return; } // 2-2 遍历数组元素输出内容 showMsg(); } private void showMsg() { System.out.println("序号\t\t订餐人\t\t餐品信息\t\t送餐时间\t\t送餐地址\t\t总金额\t\t订单状态"); for (int i = 0; i < names.length; i++) { if (names[i] == null) { continue; } System.out.println((i + 1) + "\t\t" + names[i] + "\t\t" + dishMessage[i] + "\t\t" + times[i] + "\t\t" + address[i] + "\t\t" + sumPrices[i] + "\t\t" + (states[i] == 0 ? "已预定" : "已签收")); } } //点餐 private void task1() { System.out.println("****我要订餐****"); //1.判断餐袋是否已满 int count = 0; for (String name : names) { if (name != null){ count++; } } if (count == names.length){ System.out.println("餐袋已满无法点餐,删除部分订单后再点餐！"); return; } //2.输入用户名 System.out.println("输入点餐人姓名 : "); String name = scanner.next(); //3.展示菜单信息 System.out.println("序号\t菜名\t\t单价\t\t点赞"); for (int i = 0; i < dishNames.length; i++) { System.out.println((i + 1) + "\t\t" + dishNames[i] + "\t\t" + prices[i] + "\t\t" + priseNum[i]); } //选择商品编号 System.out.println("请选择商品编号:"); int index = scanner.nextInt(); String dishName = dishNames[index - 1]; //5.输入商品的数量 System.out.println("请输入商品的数量:"); int num = scanner.nextInt(); //6.送餐时间 System.out.println("请输入送餐时间(10-20)："); int time = scanner.nextInt(); //7.送餐地址 System.out.println("请输入送餐地址:"); String addr = scanner.next(); //8.计算总价 总价>50?0:6 double p = num * prices[index -1]; double fee = p > 50 ? 0:6; double sumPrice = p +fee; //9.找餐袋的空位置null的位置 int i = -1; for (int j = 0; j < names.length; j++) { if (names[j] == null){ i = j; break; } } //10.数组元素进行赋值 names[i] = name; dishMessage[i] = dishName; nums[i] = num; times[i] = time; address[i] = addr; sumPrices[i] = sumPrice; states[i] = 0; //11.提示订餐成功 System.out.println("订餐成功"); //12.输出订餐信息 System.out.printf("您订的是: %s %d份!\n", dishName, num); System.out.printf("送餐时间：%d点\n", time); System.out.printf("餐费：%.1f元，送餐费%.1f元，总计：%.1f元\n", p, fee, sumPrice); System.out.println(Arrays.toString(names)); } }