仿写的购物系统 有些缺点 见笑了

购物系统 有些缺点 见笑了"/>

仿写的购物系统 有些缺点 见笑了

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//验证管理员的类

package cn.itcast;import java.util.Scanner;/*** 验证管理员登录* * @author Administrator* */
public class VerifyEqual {public VerifyEqual() {}public boolean verify(String s, String s1) {System.out.print("请输入用户名：");Scanner scanner = new Scanner(System.in);String s2 = scanner.next();System.out.print("请输入密码：");scanner = new Scanner(System.in);String s3 = scanner.next();return s2.equals(s) && s1.equals(s3);}
}

//这个是卖的物品

package cn.itcast;/*** 初始化数据* * @author Administrator* */
public class Data {public Data() {goodsName = new String[50];goodsPrice = new double[50];custNo = new int[100];custBirth = new String[100];custScore = new int[100];manager = new Manager();}public void ini() {goodsName[0] = "addidas运动鞋";goodsPrice[0] = 880D;goodsName[1] = "Kappa网球裙";goodsPrice[1] = 200D;goodsName[2] = "网球拍";goodsPrice[2] = 780D;goodsName[3] = "addidasT恤";goodsPrice[3] = 420.77999999999997D;goodsName[4] = "Nike运动鞋";goodsPrice[4] = 900D;goodsName[5] = "Kappa网球";goodsPrice[5] = 45D;goodsName[6] = "KappaT恤";goodsPrice[6] = 245D;custNo[0] = 1900;custBirth[0] = "08/05";custScore[0] = 2000;custNo[1] = 1711;custBirth[1] = "07/13";custScore[1] = 4000;custNo[2] = 1623;custBirth[2] = "06/26";custScore[2] = 5000;custNo[3] = 1545;custBirth[3] = "04/08";custScore[3] = 2200;custNo[4] = 1464;custBirth[4] = "08/16";custScore[4] = 1000;custNo[5] = 1372;custBirth[5] = "12/23";custScore[5] = 3000;custNo[6] = 1286;custBirth[6] = "12/21";custScore[6] = 10080;}public String goodsName[];public double goodsPrice[];public int custNo[];public String custBirth[];public int custScore[];public Manager manager;
}

//礼物类

package cn.itcast;/*** 礼物类*/
public class Gift {public Gift() {}public String toString() {return (new StringBuilder()).append("一个价值￥").append(price).append("的").append(name).toString();}public String name;public double price;
}

 //管理礼物类

package cn.itcast;import java.util.Scanner;/*** 礼物管理类* * @author Administrator* */
public class GiftManagement {public GiftManagement() {}public void setData(String as[], double ad[], int ai[], String as1[],int ai1[]) {goodsName = as;goodsPrice = ad;custNo = ai;custBirth = as1;custScore = ai1;}public void returnLastMenu() {System.out.print("\n\n请按'n'返回上一级菜单:");Scanner scanner = new Scanner(System.in);boolean flag = true;doif (scanner.next().equals("n")) {Menu menu = new Menu();menu.setData(goodsName, goodsPrice, custNo, custBirth,custScore);menu.showSendGMenu();} else {System.out.print("输入错误, 请重新'n'返回上一级菜单：");flag = false;}while (!flag);}public void sendBirthCust() {System.out.println("购物管理系统 > 生日问候\n\n");System.out.print("请输入今天的日期(月/日<用两位表示>)：");Scanner scanner = new Scanner(System.in);String s = scanner.next();System.out.println(s);String s1 = "";boolean flag = false;for (int i = 0; i < custBirth.length; i++)if (custBirth[i] != null && custBirth[i].equals(s)) {s1 = (new StringBuilder()).append(s1).append(custNo[i]).append("\n").toString();flag = true;}if (flag) {System.out.println("过生日的会员是：");System.out.println(s1);System.out.println("恭喜！获赠MP3一个！");} else {System.out.println("今天没有过生日的会员！");}returnLastMenu();}public void sendLuckyCust() {System.out.println("购物管理系统 > 幸运抽奖\n\n");System.out.print("是否开始（y/n）：");Scanner scanner = new Scanner(System.in);if (scanner.next().equals("y")) {int i = (int) (Math.random() * 10D);boolean flag = false;String s = "";for (int k = 0; k < custNo.length && custNo[k] != 0; k++) {int j = (custNo[k] / 100) % 10;if (j == i) {s = (new StringBuilder()).append(s).append(custNo[k]).append("\t").toString();flag = true;}}if (flag)System.out.println((new StringBuilder()).append("幸运客户获赠MP3：").append(s).toString());elseSystem.out.println("无幸运客户。");}returnLastMenu();}public void sendGoldenCust() {System.out.println("购物管理系统 > 幸运大放送\n\n");int i = 0;int j = custScore[0];for (int k = 0; k < custScore.length && custScore[k] != 0; k++)if (custScore[k] > j) {j = custScore[k];i = k;}System.out.println((new StringBuilder()).append("具有最高积分的会员是： ").append(custNo[i]).append("\t").append(custBirth[i]).append("\t").append(custScore[i]).toString());Gift gift = new Gift();gift.name = "苹果笔记本电脑";gift.price = 12000D;System.out.print("恭喜！获赠礼品： ");System.out.println(gift);returnLastMenu();}public String goodsName[];public double goodsPrice[];public int custNo[];public String custBirth[];public int custScore[];
}

//管理员类

package cn.itcast;/*** 管理员类* * @author Administrator* */
public class Manager {public Manager() {username = "itcast";password = "itcast";}public String username;public String password;
}

//页面类

package cn.itcast;import java.util.Scanner;/*** 页面类* * @author Administrator* */
public class Menu {public Menu() {}public void setData(String as[], double ad[], int ai[], String as1[],int ai1[]) {goodsName = as;goodsPrice = ad;custNo = ai;custBirth = as1;custScore = ai1;}public void showLoginMenu() {System.out.println("\n\n\t\t\t    欢迎使用itcast购物管理系统1.0版\n\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.println("\t\t\t\t 1. 登 录 系 统\n\n");System.out.println("\t\t\t\t 2. 更 改 管 理 员 密 码\n\n");System.out.println("\t\t\t\t 3. 退 出\n\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.print("请选择,输入数字:");}public void showMainMenu() {System.out.println("\n\n\t\t\t\t欢迎使用购物管理系统\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.println("\t\t\t\t 1. 客 户 信 息 管 理\n");System.out.println("\t\t\t\t 2. 购 物 结 算\n");System.out.println("\t\t\t\t 3. 真 情 回 馈\n");System.out.println("\t\t\t\t 4. 注 销\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.print("请选择,输入数字:");Scanner scanner = new Scanner(System.in);boolean flag = false;do {String s = scanner.next();if (s.equals("1")) {showCustMMenu();break;}if (s.equals("2")) {Pay pay = new Pay();pay.setData(goodsName, goodsPrice, custNo, custBirth,custScore);pay.calcPrice();break;}if (s.equals("3")) {showSendGMenu();break;}if (s.equals("4")) {showLoginMenu();break;}System.out.print("输入错误，请重新输入数字：");flag = false;} while (!flag);}public void showCustMMenu() {System.out.println("购物管理系统 > 客户信息管理\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.println("\t\t\t\t 1. 显 示 所 有 客 户 信 息\n");System.out.println("\t\t\t\t 2. 添 加 客 户 信 息\n");System.out.println("\t\t\t\t 3. 修 改 客 户 信 息\n");System.out.println("\t\t\t\t 4. 查 询 客 户 信 息\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.print("请选择,输入数字或按'n'返回上一级菜单:");Scanner scanner = new Scanner(System.in);boolean flag = true;do {CustManagement custmanagement = new CustManagement();custmanagement.setData(goodsName, goodsPrice, custNo, custBirth,custScore);String s = scanner.next();if (s.equals("1")) {custmanagement.show();break;}if (s.equals("2")) {custmanagement.add();break;}if (s.equals("3")) {custmanagement.modify();break;}if (s.equals("4")) {custmanagement.search();break;}if (s.equals("n")) {showMainMenu();break;}System.out.println("输入错误, 请重新输入数字：");flag = false;} while (!flag);}public void showSendGMenu() {System.out.println("购物管理系统 > 真情回馈\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.println("\t\t\t\t 1. 幸 运 大 放 送\n");System.out.println("\t\t\t\t 2. 幸 运 抽 奖\n");System.out.println("\t\t\t\t 3. 生 日 问 候\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.print("请选择,输入数字或按'n'返回上一级菜单:");Scanner scanner = new Scanner(System.in);boolean flag = true;GiftManagement giftmanagement = new GiftManagement();giftmanagement.setData(goodsName, goodsPrice, custNo, custBirth,custScore);do {String s = scanner.next();if (s.equals("1")) {giftmanagement.sendGoldenCust();break;}if (s.equals("2")) {giftmanagement.sendLuckyCust();break;}if (s.equals("3")) {giftmanagement.sendBirthCust();break;}if (s.equals("n")) {showMainMenu();break;}System.out.println("输入错误, 请重新输入数字：");flag = false;} while (!flag);}public String goodsName[];public double goodsPrice[];public int custNo[];public String custBirth[];public int custScore[];
}

//购物类

package cn.itcast;import java.util.Scanner;/*** 购物付款* * @author Administrator* */
public class Pay {public Pay() {}public void setData(String as[], double ad[], int ai[], String as1[],int ai1[]) {goodsName = as;goodsPrice = ad;custNo = ai;custBirth = as1;custScore = ai1;}public double getDiscount(int i, int ai[], int ai1[]) {int j = -1;int k = 0;do {if (k >= ai.length)break;if (i == ai[k]) {j = k;break;}k++;} while (true);double d;if (ai1[j] < 1000)d = 0.94999999999999996D;else if (1000 <= ai1[j] && ai1[j] < 2000)d = 0.90000000000000002D;else if (2000 <= ai1[j] && ai1[j] < 3000)d = 0.84999999999999998D;else if (3000 <= ai1[j] && ai1[j] < 4000)d = 0.80000000000000004D;else if (4000 <= ai1[j] && ai1[j] < 6000)d = 0.75D;else if (6000 <= ai1[j] && ai1[j] < 8000)d = 0.69999999999999996D;elsed = 0.59999999999999998D;return d;}public void calcPrice() {String s2 = "";double d1 = 0.0D;double d2 = 0.0D;System.out.println("购物管理系统 > 购物结算\n\n");System.out.println("*************************************");System.out.println("请选择购买的商品编号：");int l = 0;double d4 = 0;for (; l < goodsName.length && goodsName[l] != null; l++) {d4++;System.out.println((new StringBuilder()).append(d4).append(": ").append(goodsName[l]).append("\t").toString());}System.out.println("*************************************\n");Scanner scanner = new Scanner(System.in);System.out.print("\t请输入会员号：");int i = scanner.nextInt();d4 = getDiscount(i, custNo, custScore);String s1;do {System.out.print("\t请输入商品编号：");int j = scanner.nextInt();System.out.print("\t请输入数目：");int k = scanner.nextInt();double d = goodsPrice[j - 1];String s = goodsName[j - 1];d1 += d * (double) k;s2 = (new StringBuilder()).append(s2).append("\n").append(s).append("\t").append("￥").append(d).append("\t\t").append(k).append("\t\t").append("￥").append(d * (double) k).append("\t").toString();System.out.print("\t是否继续（y/n）");s1 = scanner.next();} while (s1.equals("y"));d2 = d1 * d4;System.out.println("\n");System.out.println("＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊消费清单＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊");System.out.println("物品\t\t单价\t\t个数\t\t金额\t");System.out.print(s2);System.out.println((new StringBuilder()).append("\n折扣：\t").append(d4).toString());System.out.println((new StringBuilder()).append("金额总计:\t￥").append(d2).toString());System.out.print("实际交费:\t￥");double d3 = scanner.nextDouble();System.out.println((new StringBuilder()).append("找钱:\t￥").append(d3 - d2).toString());int i1 = ((int) d2 / 100) * 3;int j1 = 0;do {if (j1 >= custNo.length)break;if (custNo[j1] == i) {custScore[j1] = custScore[j1] + i1;System.out.println((new StringBuilder()).append("本次购物所获的积分是： ").append(i1).toString());break;}j1++;} while (true);System.out.print("\n请'n'返回上一级菜单:");if (scanner.next().equals("n")) {Menu menu = new Menu();menu.setData(goodsName, goodsPrice, custNo, custBirth, custScore);menu.showMainMenu();}}public String goodsName[];public double goodsPrice[];public int custNo[];public String custBirth[];public int custScore[];
}

//系统开启类

package cn.itcast;import java.util.Scanner;/*** 系统开启类* * @author Administrator* */
public class StartSMS {public StartSMS() {}public static void main(String args[]) {Data data = new Data();data.ini();Menu menu = new Menu();menu.setData(data.goodsName, data.goodsPrice, data.custNo,data.custBirth, data.custScore);menu.showLoginMenu();boolean flag = true;label0: do {if (!flag)break;Scanner scanner = new Scanner(System.in);int i = scanner.nextInt();VerifyEqual verifyequal = new VerifyEqual();switch (i) {case 1: // '\001'int j = 3;do {if (j < 1)continue label0;if (verifyequal.verify(data.manager.username,data.manager.password)) {menu.showMainMenu();continue label0;}if (j != 1) {System.out.println("\n用户名和密码不匹配，请重新输入：");} else {System.out.println("\n您没有权限进入系统！谢谢！");flag = false;}j--;} while (true);case 2: // '\002'if (verifyequal.verify(data.manager.username,data.manager.password)) {System.out.print("请输入新的用户名：");data.manager.username = scanner.next();System.out.print("请输入新的密码：");data.manager.password = scanner.next();System.out.println("用户名和密码已更改！");System.out.println("\n请选择，输入数字：");} else {System.out.println("抱歉，你没有权限修改！");flag = false;}break;case 3: // '\003'System.out.println("谢谢您的使用！");flag = false;break;default:System.out.print("\n输入有误！请重新选择，输入数字: ");break;}} while (flag);}
}

//都是一些实现的功能

import java.util.Scanner;public class CustManagement {public CustManagement() {}public void setData(String as[], double ad[], int ai[], String as1[],int ai1[]) {goodsName = as;goodsPrice = ad;custNo = ai;custBirth = as1;custScore = ai1;}public void returnLastMenu() {System.out.print("\n\n请按'n'返回上一级菜单:");Scanner scanner = new Scanner(System.in);boolean flag = true;doif (scanner.next().equals("n")) {Menu menu = new Menu();menu.setData(goodsName, goodsPrice, custNo, custBirth,custScore);menu.showCustMMenu();} else {System.out.print("输入错误, 请重新'n'返回上一级菜单：");flag = false;}while (!flag);}public void add() {System.out.println("购物管理系统 > 客户信息管理 > 添加客户信息\n\n");Scanner scanner = new Scanner(System.in);System.out.print("请输入会员号(<4位整数>)：");int i = scanner.nextInt();System.out.print("请输入会员生日（月/日<用两位数表示>）：");String s = scanner.next();System.out.print("请输入积分：");int j = scanner.nextInt();int k = -1;int l = 0;do {if (l >= custNo.length)break;if (custNo[l] == 0) {k = l;break;}l++;} while (true);custNo[k] = i;custBirth[k] = s;custScore[k] = j;System.out.println("新会员添加成功！");returnLastMenu();}public void modify() {System.out.println("购物管理系统 > 客户信息管理 > 修改客户信息\n\n");System.out.print("请输入会员号：");Scanner scanner = new Scanner(System.in);int i = scanner.nextInt();System.out.println("  会员号            生日             积分      ");System.out.println("------------|------------|---------------");int j = -1;int k = 0;do {if (k >= custNo.length)break;if (custNo[k] == i) {System.out.println((new StringBuilder()).append(custNo[k]).append("\t\t").append(custBirth[k]).append("\t\t").append(custScore[k]).toString());j = k;break;}k++;} while (true);if (j != -1) {System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.println("\t\t\t\t1.修 改 会 员 生 日.\n");System.out.println("\t\t\t\t2.修 改 会 员 积 分.\n");System.out.println("* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n");System.out.print("请选择，输入数字：");switch (scanner.nextInt()) {case 1: // '\001'System.out.print("请输入修改后的生日：");custBirth[j] = scanner.next();System.out.println("生日信息已更改！");break;case 2: // '\002'System.out.print("请输入修改后的会员积分：");custScore[j] = scanner.nextInt();System.out.println("会员积分已更改！");break;}} else {System.out.println("抱歉，没有你查询的会员。");}returnLastMenu();}public void search() {System.out.println("购物管理系统 > 客户信息管理 > 查询客户信息\n");String s = "y";Scanner scanner = new Scanner(System.in);for (; s.equals("y"); s = scanner.next()) {System.out.print("请输入会员号：");int i = scanner.nextInt();System.out.println("  会员号            生日             积分      ");System.out.println("------------|------------|---------------");boolean flag = false;int j = 0;do {if (j >= custNo.length)break;if (custNo[j] == i) {System.out.println((new StringBuilder()).append(custNo[j]).append("\t\t").append(custBirth[j]).append("\t\t").append(custScore[j]).toString());flag = true;break;}j++;} while (true);if (!flag)System.out.println("抱歉，没有你查询的会员信息。");System.out.print("\n要继续查询吗（y/n）:");}returnLastMenu();}public void show() {System.out.println("购物管理系统 > 客户信息管理 > 显示客户信息\n\n");System.out.println("  会员号            生日             积分      ");System.out.println("------------|------------|---------------");int i = custNo.length;for (int j = 0; j < i && custNo[j] != 0; j++)System.out.println((new StringBuilder()).append(custNo[j]).append("\t\t").append(custBirth[j]).append("\t\t").append(custScore[j]).toString());returnLastMenu();}public String goodsName[];public double goodsPrice[];public int custNo[];public String custBirth[];public int custScore[];
}

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