java基于socket网络编程的超市收银管理系统.doc

package entity;import java.io.Serializable;/* * 收银类 * */SuppressWarnings(serial)public class Cash implements Serializable private String name;/ 商品名private String unit;/ 商品单位private int amount;/ 商品数量private double price;/ 商品单价private double money;/ 商品金额public Cash(String name, String unit, int amount, double price, double money) = name;this.unit = unit;this.amount = amount;this.price = price;this.money = money;public String getName() return name;public void setName(String name) = name;public String getUnit() return unit;public void setUnit(String unit) this.unit = unit;public int getAmount() return amount;public void setAmount(int amount) this.amount = amount;public double getPrice() return price;public void setPrice(double price) this.price = price;public double getMoney() return money;public void setMoney(double money) this.money = money;package entity;import java.io.Serializable;/* * 商品类 * */SuppressWarnings(serial)public class ShangPin implements Serializable private String number;/ 商品编号private String spname;/ 商品名称private double price;/ 商品单价private String unit;/ 单位private int amount;/ 数量public String getNumber() return number;public void setNumber(String number) this.number = number;public String getSpname() return spname;public void setSpname(String spname) this.spname = spname;public double getPrice() return price;public void setPrice(double price) this.price = price;public String getUnit() return unit;public void setUnit(String unit) this.unit = unit;public int getAmount() return amount;public void setAmount(int amount) this.amount = amount;public ShangPin(String number, String spname, double price, String unit,int amount) this.number = number;this.spname = spname;this.price = price;this.unit = unit;this.amount = amount;package entity;/* * 用户类 */import java.io.Serializable;SuppressWarnings(serial)public class User implements Serializable private String username;/ 用户名称private String password;/ 用户密码public String getUsername() return username;public void setUsername(String username) this.username = username;public String getPassword() return password;public void setPassword(String password) this.password = password;public User(String username, String password) this.username = username;this.password = password;package entity;import java.io.Serializable;/* * 会员类 * */SuppressWarnings(serial)public class Vip implements Serializable private String vipId;/ 会员卡号private int score;/ 会员积分public Vip(String vipId,int score)this.vipId = vipId;this.score = score;public String getVipId() return vipId;public void setVipId(String vipId) this.vipId = vipId;public int getScore() return score;public void setScore(int score) this.score = score;package socket;/* * 客户端类 * */import java.io.InputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.io.OutputStream;import .Socket;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Map;import java.util.Scanner;import entity.Cash;import entity.ShangPin;public class Client static Scanner input = new Scanner(System.in);private static Object receive;private static String username;static int count = 0;private static Object send(Map map) throws Exception,Exception / 发送方法Socket s = new Socket(, 8800);OutputStream os = s.getOutputStream();ObjectOutputStream oos = new ObjectOutputStream(os);oos.writeObject(map);InputStream is = s.getInputStream();ObjectInputStream ois = new ObjectInputStream(is);receive = ois.readObject();/ 关闭流oos.close();os.close();is.close();ois.close();return receive;public static void main(String args) throws Exception System.out.println(*欢迎使用青鸟超市管理系统*);System.out.println(1.登陆);System.out.println(2.退出系统);System.out.println(*请选择数字1/2*);while (true) int choose = input.nextInt();if (choose = 1) do System.out.print(用户名称:);username = input.next();System.out.print(用户密码:);String password = input.next();Map map = new HashMap();map.put(账号, username);map.put(密码, password);map.put(send, 登录);send(map);/ 库存管理员界面if (管理员.equals(receive) System.out.println(*欢迎登录青鸟超市库存管理系统*);admin(); else if (收银员.equals(receive) System.out.println(*欢迎登录青鸟超市收银系统*);cash(); else System.out.println(用户名或者密码输入错误！登录失败！); while (true); else if (choose = 2) System.out.println(您已经退出系统!);break; else System.out.println(输入错误!请重新选择数字1/2:);private static void admin() throws Exception / 管理员int choose;while (true) System.out.println(请选择进行的操作：1.商品入库 t 2.商品出库 t 3.新增商品 t 4.查询所有商品 t 5.按编号查询商品 t 6.退出);choose = input.nextInt();/ 选择库存操作switch (choose) case 1:/ 入库in();break;case 2:/ 出库out();break;case 3:/ 新增add();break;case 4:/ 打印所有商品checkall();break;case 5:/ 按编号查询check();break;case 6:/ 退出System.out.println(谢谢使用！);break;default:System.out.println(对不起，您的输入有误，请重新输入！);break;SuppressWarnings(unchecked)private static void in() throws Exception / 入库System.out.print(输入商品编号:);String number = input.next();Map map = new HashMap();map.put(编号, number);map.put(send, 查询编号);send(map);if (有此商品.equals(receive) System.out.print(入库数量:);String amount = input.next();if (num(amount) = true) int a = Integer.parseInt(amount);if (a = 0) map.put(入库数量, amount);map.put(send, 入库);Map map1 = (Map) send(map);System.out.println(商品编号tt + 商品名称tt + 商品单价tt+ 单位tt + 数量);for (ShangPin iterable_element : map1.values() System.out.println(iterable_element.getNumber()+ tt + iterable_element.getSpname()+ tt + iterable_element.getPrice() + tt+ iterable_element.getUnit() + tt+ iterable_element.getAmount(); else System.out.println(出库数量有误！); else System.out.println(没有此商品,请选择编号3:新增商品!);SuppressWarnings(unchecked)private static void out() throws Exception / 出库System.out.print(输入商品编号:);String number = input.next();Map map = new HashMap();map.put(编号, number);map.put(send, 查询编号);send(map);if (有此商品.equals(receive) System.out.print(出库数量:);String amount = input.next();if (num(amount) = true) int a = Integer.parseInt(amount);if (a = 0) map.put(出库数量, amount);map.put(send, 出库);send(map);Map map1 = (Map) receive;if (a = map1.get(number).getAmount() System.out.println(商品编号tt + 商品名称tt+ 商品单价ttt + 单位ttt + 数量);for (ShangPin sp : map1.values() System.out.println(sp.getNumber() + tt+ sp.getSpname() + tt + sp.getPrice()+ tt + sp.getUnit() + tt+ sp.getAmount(); else System.out.println(库存不足，请核实，出库失败！);System.out.println(商品编号tt + 商品名称tt + 商品单价tt+ 单位tt + 数量);System.out.println(map1.get(number).getNumber()+ tt + map1.get(number).getSpname()+ tt + map1.get(number).getPrice() + tt+ map1.get(number).getUnit() + tt+ map1.get(number).getAmount(); else System.out.println(出库数量有误！); else System.out.println(没有此商品!);SuppressWarnings(unchecked)private static void add() throws Exception / 新增while (true) System.out.print(输入商品编号:);String number = input.next();Map map = new HashMap();map.put(编号, number);map.put(send, 查询编号);send(map);if (无此商品.equals(receive) System.out.print(输入商品名称：);String spname = input.next();System.out.print(输入商品价格：);String price = input.next();if (price(price) = true) System.out.print(输入商品单位：);String unit = input.next();System.out.print(输入商品数量：);String amount = input.next();if (num(amount) = true) map.put(send, 新增);map.put(名称, spname);map.put(价格, price);map.put(单位, unit);map.put(数量, amount);send(map);System.out.println(新增商品成功!);Map map2 = (Map) receive;System.out.println(商品编号tt + 商品名称tt+ 商品单价ttt + 单位ttt + 数量);for (ShangPin sp : map2.values() System.out.println(sp.getNumber() + tt+ sp.getSpname() + tt + sp.getPrice()+ tt + sp.getUnit() + tt+ sp.getAmount();break; else System.out.println(此编号已存在);continue;SuppressWarnings(unchecked)private static void checkall() throws Exception / 查询全部Map map = new HashMap();map.put(send, 查询全部);send(map);Map map1 = (Map) receive;System.out.println(商品编号tt + 商品名称tt + 商品单价tt + 单位tt+ 数量);for (ShangPin sp : map1.values() System.out.println(sp.getNumber() + tt + sp.getSpname()+ tt + sp.getPrice() + tt + sp.getUnit() + tt+ sp.getAmount();SuppressWarnings(unchecked)private static void check() throws Exception / 查询号查询System.out.print(输入商品编号:);String number = input.next();Map map = new HashMap();map.put(编号, number);map.put(send, 查询编号);send(map);if (有此商品.equals(receive) map.put(send, 查询号查询);send(map);Map map1 = (Map) receive;System.out.println(商品编号tt + 商品名称tt + 商品单价ttt+ 单位ttt + 数量);for (ShangPin sp : map1.values() System.out.println(sp.getNumber() + tt + sp.getSpname()+ tt + sp.getPrice() + tt + sp.getUnit()+ tt + sp.getAmount(); else System.out.println(对不起,没有此商品!);private static void cash() throws Exception / 收银int choose;while (true) System.out.println(请选择进行的操作：1.扫描商品 t 2.修改数量 t 3.结账 t 4.退出);choose = input.nextInt();/ 选择库存操作switch (choose) case 1:/ 扫描scan();break;case 2:/ 修改数量modify();break;case 3:/ 新增checkout();break;case 4:/ 退出System.out.println(谢谢使用！);break;default:System.out.println(对不起，您的输入有误，请重新输入！);break;SuppressWarnings(unchecked)public static void scan() throws Exception / 扫描商品System.out.print(输入需要扫描的商品编号:);String number = input.next();Map map = new HashMap();map.put(编号, number);map.put(send, 查询编号);send(map);if (有此商品.equals(receive) System.out.println(扫描成功!);count+;String c = String.valueOf(count);map.put(send, 扫描);map.put(扫描次数, c);send(map);Map map2 = (Map) receive;System.out.println(商品名称tttt + 数量tt + 单价tt + 金额);System.out.println(-);for (Cash cash : map2.values() System.out.println(cash.getName() + cash.getUnit() + tt+ cash.getAmount() + tt + cash.getPrice() + tt+ cash.getMoney();System.out.println(-); else System.out.println(对不起,没有此商品,扫描失败);SuppressWarnings(unchecked)public static void modify() throws Exception / 修改购买数量Map map = new HashMap();if (count != 0) while (true) System.out.print(输入需要修改的商品编号:);String number = input.next();map.put(编号, number);map.put(send, 查询编号);send(map);if (有此商品.equals(receive) map.put(编号, number);map.put(send, 检测是否扫描);send(map);if (已被扫描.equals(receive) System.out.print(输入修改数量：);String amount = input.next();if (num(amount) = true) int a = Integer.parseInt(amount);if (a = 0) map.put(数量, amount);map.put(send, 修改数量);send(map);Map map2 = (Map) receive;System.out.println(商品名称tttt + 数量tt+ 单价tt + 金额);System.out.println(-);for (Cash cash : map2.values() System.out.println(cash.getName()+ cash.getUnit() + tt+ cash.getAmount() + tt+ cash.getPrice() + tt+ cash.getMoney();System.out.println(-); else System.out.println(修改数量有误！);break;break; else System.out.println(没有扫描此商品。);continue; else System.out.println(对不起,没有此商品，扫描失败！);break; else System.out.println(您还没有扫描商品！);SuppressWarnings(unchecked)public static void checkout() throws Exception / 结账double money = 0;Map map = new HashMap();if (count != 0) map.put(send, 结账);send(map);Map map1 = (Map) receive;for (Cash cash : map1.values() money += cash.getMoney();System.out.println(总金额是： + money);System.out.println(1.普通结账t2.会员结账);int i = input.nextInt();switch (i) case 1:/ 普通结账System.out.print(请输入您要支付的金额：);while (true) String money1 = input.next();if (money(money1) = true) double m = Double.parseDouble(money1); if (m = money) System.out.println(ttt青鸟超市);System.out.print(收银员号： + username + tt);Date date = new Date();SimpleDateFormat sdf = new SimpleDateFormat(yyyyMMddmmss);System.out.println(小票号： + sdf.format(date);System.out.println(序tt + 商品名称tttt+ 数量tt + 单价tt + 金额);int n = 1;/ 序号int a = 0;/ 总数量Map map2 = (Map) receive;System.out.println(-);for (Cash cash : map2.values() System.out.println(n + tt + cash.getName()+ cash.getUnit() + tt+ cash.getAmount() + tt+ cash.getPrice() + tt+ cash.getMoney();n+;a += cash.getAmount();System.out.println(-);System.out.println(总数量： + a + t应收： + money);System.out.println(实收： + m + t找零:+ (m - money);SimpleDateFormat sdf1 = new SimpleDateFormat(yyyy/MM/dd HH:mm:ss);System.out.println(sdf1.format(date);System.out.println(此小票是您退换货及核对积分的凭证，请妥善保存！);System.out.println(=);map.put(send, 普通);send(map);break; else System.out.println(请输入正确的金额！);break;case 2:/ 会员结账while (true) System.out.print(请输入您的会员卡号：);String vipid = input.next();map.put(send, 会员登录);map.put(会员账号, vipid);send(map);if (会员存在.equals(receive) System.out.print(会员卡号正确，请输入您要支付的金额：);String money1 = input.next();if (money(money1) = true)