吃货联盟订餐系统
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1 package com.Chihuo; 2 /* 3 吃货联盟订餐系统 4 */ 5 import java.util.Scanner; 6 public class ChiHuoLianMeng { 7 public static void main(String[] args) { 8 Dingcan dc = new Dingcan(); 9 Canpin cp = new Canpin(); 10 Scanner sc = new Scanner(System.in); 11 int s1 = 0; 12 13 dc.name[0] = "张三"; 14 dc.canpin[0] = "鱼香肉丝 2份"; 15 dc.dizhi[0] = "故公路15号"; 16 dc.shijian[0] = 20; 17 dc.sum[0] = 46.0; 18 dc.zhuangtai[0] = 0; 19 20 System.out.println("欢迎使用“吃货联盟订餐系统”"); 21 do { 22 System.out.println("****************************"); 23 System.out.println("1、我要订餐"); 24 System.out.println("2、查看餐袋"); 25 System.out.println("3、签收订单"); 26 System.out.println("4、删除订单"); 27 System.out.println("5、我要点赞"); 28 System.out.println("6、退出系统"); 29 System.out.println("****************************"); 30 System.out.print("请选择:"); 31 s1 = sc.nextInt(); 32 switch (s1) { 33 case 1: 34 dc.dingcan();//调用订餐方法 35 break; 36 case 2: 37 System.out.println("************查看餐袋*********"); 38 dc.chakan();//调用查看餐袋方法 39 break; 40 case 3: 41 dc.chakan(); 42 dc.qianshou(); 43 break; 44 case 4: 45 dc.shanchu(); 46 break; 47 case 5: 48 dc.dianzan(); 49 break; 50 case 6: 51 break; 52 } 53 if (s1 < 0 || s1 > 5) { 54 System.out.println("谢谢使用本系统"); 55 break; 56 } 57 System.out.print("输入0返回:"); 58 s1 = sc.nextInt(); 59 while (s1 != 0) { 60 System.out.print("输入错误,请输入0返回:"); 61 s1 = sc.nextInt(); 62 } 63 } while (s1 == 0); 64 } 65 }
类2
1 package com.Chihuo; 2 3 import java.util.Scanner; 4 5 //订餐 6 public class Dingcan { 7 String name[] = new String[4];//姓名 8 String canpin[] = new String[4];//餐品信息 9 int shijian[] = new int[4];//日期 10 String dizhi[] = new String[4];//地址 11 double sum[] = new double[4];//总金额 12 int zhuangtai[] = new int[4];//状态 13 14 Scanner sc = new Scanner(System.in); 15 Canpin cp = new Canpin(); 16 17 18 //方法 19 //我要订餐 20 public void dingcan() { 21 //遍历数组,找到空的位置,记录下来 22 boolean isnull = false; 23 System.out.println("************我要订餐*********"); 24 25 for (int i = 0; i < name.length; i++) { 26 if (name[i] == null) { 27 28 System.out.print("请输入订餐人姓名:"); 29 String name1 = sc.next(); 30 System.out.println("序号 菜名 单价 点赞数"); 31 //循环输出菜单 32 for (int j = 0; j < cp.caiming.length; j++) { 33 System.out.println((j + 1) + " " + cp.caiming[j] + " " + cp.danjia[j] + "元 " + cp.dianzan[j]); 34 } 35 System.out.print("请选择要点的菜品编号:"); 36 int bianhao = sc.nextInt(); 37 while (bianhao < 0 || bianhao > cp.caiming.length) { 38 System.out.print("输入错误,请重新输入1-" + cp.caiming.length + ":"); 39 bianhao = sc.nextInt(); 40 } 41 System.out.print("请选择需要的份数"); 42 int fenshu = sc.nextInt(); 43 String canpin1 = cp.caiming[bianhao - 1] + " " + fenshu + "份"; 44 System.out.print("请输入送餐时间10-20:"); 45 int shijian1 = sc.nextInt(); 46 while (shijian1 < 10 || shijian1 > 20) { 47 System.out.print("输入错误,请重新输入10-20:"); 48 shijian1 = sc.nextInt(); 49 } 50 System.out.print("请输入送餐地址:"); 51 String dizhi1 = sc.next(); 52 System.out.println("订餐成功!"); 53 System.out.println("您订的是:" + canpin1); 54 System.out.println("送餐时间:" + shijian1 + "点"); 55 double canfei = cp.danjia[bianhao - 1] * fenshu; 56 double songcanfei = canfei > 50 ? 0.0 : 6.0; 57 double sum1 = canfei + songcanfei; 58 System.out.println("餐费" + canfei + "元,配送费" + songcanfei + "元,总计" + sum1 + "元"); 59 60 61 name[i] = name1; 62 canpin[i] = canpin1; 63 dizhi[i] = dizhi1; 64 shijian[i] = shijian1; 65 sum[i] = sum1; 66 zhuangtai[i] = 0; 67 68 isnull = true; 69 break; 70 } 71 } 72 if (!isnull) { 73 System.out.println("对不起,餐袋已满"); 74 } 75 } 76 77 //查看餐袋 78 public void chakan() { 79 80 System.out.println("序号 订餐人 餐品信息 送餐日期 送餐地址 总金额 订单状态"); 81 for (int i = 0; i < name.length; i++) { 82 if (name[i] != null) { 83 String dizhi1 = dizhi[i]; 84 double sum1 = sum[i]; 85 String zhuangtai1 = zhuangtai[i] == 0 ? "已预定" : "已签收"; 86 System.out.println((i + 1) + " " + name[i] + " " + canpin[i] + " " + shijian[i] + "点 " + dizhi1 + " " + sum1 + "元 " + zhuangtai1); 87 } else { 88 break; 89 } 90 } 91 92 } 93 94 //订单签收 95 public void qianshou() { 96 System.out.println("************签收订单*********"); 97 System.out.print("请输入要签收的编号:"); 98 int bianhao = sc.nextInt(); 99 boolean isno1 = false; 100 for (int i = 0; i < name.length; i++) { 101 if (name[i] != null && zhuangtai[i] == 0 && bianhao == i + 1) { 102 zhuangtai[i] = 1; 103 System.out.println("订单签收成功"); 104 isno1 = true; 105 break; 106 } else if (name[i] != null && zhuangtai[i] == 1 && bianhao == i + 1) { 107 System.out.println("请勿重复签收订单"); 108 isno1 = true; 109 break; 110 } 111 if (!isno1) { 112 System.out.println("您输入的订单不存在"); 113 break; 114 } 115 } 116 } 117 118 //删除订单 119 public void shanchu() { 120 System.out.println("************删除订单*********"); 121 System.out.print("请输入要删除的编号:"); 122 int bianhao = sc.nextInt(); 123 boolean isno = false; 124 int xiabiao = -1; 125 //遍历记录要删除的下标 126 for (int i = 0; i < name.length; i++) { 127 if (name[i] != null && zhuangtai[i] == 1 && bianhao == i + 1) { 128 xiabiao = i; 129 isno = true; 130 break; 131 } else if (name[i] != null && zhuangtai[i] == 0 && bianhao == i + 1) { 132 System.out.println("你选择的订单未签收,不能删除"); 133 isno = true; 134 break; 135 } 136 } 137 if (!isno) { 138 System.out.println("此订单不存在"); 139 } 140 if (xiabiao != -1) { 141 for (int i = xiabiao + 1; i < name.length; i++) { 142 name[i - 1] = name[i]; 143 canpin[i - 1] = canpin[i]; 144 shijian[i - 1] = shijian[i]; 145 dizhi[i - 1] = dizhi[i]; 146 sum[i - 1] = sum[i]; 147 zhuangtai[i - 1] = zhuangtai[i]; 148 } 149 150 name[name.length - 1] = null; 151 canpin[name.length - 1] = null; 152 shijian[name.length - 1] = 0; 153 dizhi[name.length - 1] = null; 154 sum[name.length - 1] = 0.0; 155 zhuangtai[name.length - 1] = 0; 156 System.out.println("订单删除成功"); 157 } 158 } 159 160 //我要点赞 161 public void dianzan() { 162 System.out.println("************我要点赞*********"); 163 System.out.println("序号 菜名 单价 点赞数"); 164 //循环输出菜单 165 for (int j = 0; j < cp.caiming.length; j++) { 166 System.out.println((j + 1) + " " + cp.caiming[j] + " " + cp.danjia[j] + "元 " + cp.dianzan[j]); 167 } 168 System.out.print("请选择要点赞的菜品编号:"); 169 int bianhao = sc.nextInt(); 170 while (bianhao < 0 || bianhao > cp.caiming.length) { 171 System.out.print("输入错误,请重新输入1-" + cp.caiming.length + ":"); 172 bianhao = sc.nextInt(); 173 } 174 cp.dianzan[bianhao - 1] += 1; 175 System.out.println("点赞成功!"); 176 } 177 }
类3
1 package com.Chihuo; 2 //餐品信息 3 public class Canpin { 4 String caiming[]={"红烧带鱼","鱼香肉丝","时令鲜蔬"};//菜名 5 double danjia[]={38.0,20.0,10.0};//单价 6 int dianzan[]={10,30,0}; 7 }
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