課程設(shè)計——客戶管理系統(tǒng)源代碼

1、完整代碼：1. 客戶類（class person）：package 客戶管理系統(tǒng);public class Person private int num;private String name;private String address;private String sex;public Person()public Person(int num,String name,String address,String sex)this.num=num;=name;this.address=address;this.sex=sex;public void setNum(int n

2、um)this.num=num;public int getNum()return num;public void setName(String name)=name;public String getName()return name;public void setAddress(String address)this.address=address;public String getAddress()return address;public void setSex(String sex)this.sex=sex;public String getSex()return

3、sex;public String toString() return t+num+t+name+t+address+t+sex;2. 菜單類(class Menu)：package 客戶管理系統(tǒng);import java.util.Scanner;public class Menu Scanner input=new Scanner(System.in);public Menu() public int showMenu() System.out.println(*);System.out.println(客戶管理系統(tǒng));System.out.println(=);System.out.pri

4、ntln(【1】增加);System.out.println(【2】刪除);System.out.println(【3】修改);System.out.println(【4】查詢);System.out.println(【5】瀏覽);System.out.println(【6】退出);System.out.println(*);System.out.print(請選擇操作：);return input.nextInt();public int subMenu() System.out.println(t【查詢客戶】);System.out.println(t1按客戶編號查詢);System.ou

5、t.println(t2按客戶姓名查詢);System.out.println(t3按地址查詢);System.out.println(t4退出);System.out.println(t請選擇查詢編號);return input.nextInt();3. 實際操作類（class FileOperate ）：package 客戶管理系統(tǒng);import java.io.BufferedReader;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IO

6、Exception;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;import java.util.Scanner;public class FileOperate private static String INFO=D:/info.dat;File file = new File(INFO);Scanner input=new Scanner(System.in);public FileOperate() if (!file.exists() try file.createNewFil

7、e();catch(IOException e) e.printStackTrace();public List getList() throws NumberFormatException,IOExceptionBufferedReader br=new BufferedReader(new FileReader(file);String msg=null;List list =new ArrayList();while (msg =br.readLine()!=null) String arr=msg.split(t);int num=Integer.parseInt(arr0);Stri

8、ng name =arr1;String address=arr2;String sex=arr3;Person person =new Person(num,name,address,sex);list.add(person);br.close();return list;private void savelist(List list)throws FileNotFoundExceptionPrintWriter pw=new PrintWriter(new File(INFO);for (Person c:list) pw.format(%dt %st %st %st rn,c.getNu

9、m(),c.getName(),c.getAddress(),c.getSex();pw.close(); public int getper(int num) throws NumberFormatException,IOException List list=getList(); for (int i=0;ilist.size();i+) Person per=list.get(i); if(num=per.getNum() return i; return -1; /增加 public void insert() throws NumberFormatException,IOExcept

10、ion System.out.println(請輸入編號：); int num=input.nextInt(); int index=getper(num); if (index!=-1) System.out.println(此編號已存在！); elseSystem.out.println(請輸入姓名：);String name=input.next();System.out.println(請輸入地址：);String address=input.next();System.out.println(請輸入性別：);String sex=input.next(); Person person

11、=new Person(num,name,address,sex);List list=getList();list.add(person);savelist(list);System.out.println(新增成功！); /刪除 public void delete() throws NumberFormatException,IOException System.out.println(請輸入要刪除的編號：); int num=input.nextInt(); List list=getList(); boolean flag=false; for(int i=0;ilist.size(

12、);i+) Person per=list.get(i); if(num=per.getNum() showTitle(); System.out.println(per); System.out.println(是否確定刪除（Y/N）？); String answer=input.next(); if(Y.equalsIgnoreCase(answer) list.remove(i); savelist(list); System.out.println(刪除成功!); flag=true; break; if (!flag) System.out.println(該客戶不存在！); /修改

13、 public void update() throws NumberFormatException,IOException shoAll(); System.out.println(請輸入編號：n); int num=input.nextInt(); int Id=getper(num); if (Id!=-1) System.out.println(請輸入姓名:);String name=input.next();System.out.println(請輸入地址:);String address=input.next();System.out.println(請輸入性別:);String

14、sex=input.next();Listlist=getList();Person per=list.get(Id);per.setName(name);per.setAddress(address);per.setSex(sex);showTitle();System.out.println(per);savelist(list);System.out.println(修改成功！);else System.out.println(編號不存在！); /查詢 public void search() throws NumberFormatException,IOException boolea

15、n flag=true; Listlist=getList(); if(list.size()!=0) while(flag) int slt=new Menu().subMenu();switch (slt) case 1:System.out.print(t請輸入編號：);findId(input.nextInt();break;case 2:System.out.print(t請輸入姓名：);findName(input.next();break;case 3:System.out.print(t請輸入地址：);findAddress(input.next();break;case 4:

16、flag=quit();break;else System.out.println(無任何信息！);/按編號查詢 public void findId(int num) throws NumberFormatException,IOException Listlist=getList(); boolean flag=false; for (int i=0;ilist.size();i+) Person per =list.get(i); if(num=per.getNum() showTitle(); System.out.println(per); flag=true; break; if

17、(!flag) System.out.println(t該客戶不存在！); /按姓名查詢 public void findName(String name) throws NumberFormatException,IOException Listlist=getList(); boolean flag=false; for (int i=0;ilist.size();i+) Person per =list.get(i); if(name.equals(per.getName() showTitle(); System.out.println(per); flag=true; break;

18、if (!flag) System.out.println(t該客戶不存在！); /按地址查找 public void findAddress(String address) throws NumberFormatException,IOException Listlist=getList(); boolean flag=false; for (int i=0;ilist.size();i+) Person per =list.get(i); if(address.equals(per.getAddress() showTitle(); flag=true; System.out.printl

19、n(per); break; if (!flag) System.out.println(t該客戶不存在！); /退出查詢 public boolean quit() System.out.println(是否確定退出（Y/N）？);if (Y.equalsIgnoreCase(input.next() System.out.println(退出成功！);return false;else return true; /瀏覽 public void shoAll() throws NumberFormatException,IOException Listlist=getList(); if (list.size()!=0) showTitle();for (Person person:list) System.out.println(person.toString();else System.out.println(無任何信息！); public vo