java课程设计——客户管理系统源代码

1、精心整理完整代码:1 .客六类 (classpersorj):package客户管理系统；publicclass Person privateint 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;this . name=name;this . address =address ; this . sex =sex;I

2、publicvoid setNum( int num) this . num=num;publicint getNum() return num;publicvoid setName(String nam® this . name=name;public StringgetName() return name;publicvoid setAddress(String address ) this . address =address ;public StringgetAddress() return address ;publicvoid setSex(String sex) thi

3、s . sex =sex;public StringgetSex() return sex;public StringtoString()return "t" +num+"t" +name+"t" +address +"t" +sex; 2 .菜单类(classMenu):package客户管理系统；importpublicclass MenuScanner input =newScanner(System. in );public Menu() publicint showMenu()System. out .p

4、rintln( System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( System. out .print(*"客户管理系统");【1】【2】【3】【4】【5】【6】增加 删除 修改 查询 浏览 退出) ) ) )、*”请选择操作：&qu

5、ot;)；);););return input .nextInt(); publicint subMenu() System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( System. out .println( return input .nextInt();"t【查询客户】");"t1"t2"t3"t4按客户编号查询")； 按客户姓名查询")； 按地址

6、查询");退出")；"t请选择查询编号");3 .实际操作类(classFileOperatepackage客户管理系统；importimportimportimportimportimportimportimportimport java.util.Scanner;publicclass FileOperateprivatestatic String INFO="D:/info.dat”File file =newFile( INFO);Scanner input =newScanner(System. in );public FileOpe

7、rate()if (! file .exists() try file .createNewFile(); catch (IOException e) e.printStackTrace(); publicList<Person>getList()throws NumberFormatException,IOExceptionnull )"t");(arr 0);Person person =newPerson( num, list .add( person );br .close();return list ;privatevoid savelist(List

8、<Person> nPrintWriter pw= newPrintWriter( for (Person c: list )name, address , sex);list ) throws FileNotFoundExceptionewFile( INFO);BufferedReader br =newBufferedReader( newFileReader( file );String msg=null ;List<Person> list =newArrayList<Person>();pw.format("%dt%st%st%strn

9、"dress(), c.getSex();pw.close();,c.getNum(), c.getName(), c.getAdwhile ( msg=br .readLine()!= String arr = msgsplit( int num=Integer. parseInt String name=arr 1; String address =arr 2; String sex=arr 3;精心整理 publicint getper( int num) throws NumberFormatException,IOException List<Person> l

10、ist =getList();for (int i =0; i <list .size(); i +) Person per =list .get( i );if (num=per .getNum() return i ; return -1;/增加publicvoid insert() throws NumberFormatException,IOException System. out .println("请输入编号：”)；int num=input .nextInt();int index =getper( num);if (index !=-1)System. out

11、 .println("此编号已存在！");else System. out .println(”请输入姓名：”)；String name=input .next();System. out .println("请输入地址：”)；String address =input .next();System. out .println("请输入性别：”)；String sex =input .next();Person person =newPerson( num nam® address , sex);List<Person> list

12、=getList();list .add( person );savelist( list );System. out .println("新增成功！”)；/删除publicvoid delete() throws NumberFormatException,IOException System. out .println("请输入要删除的编号：”)；int num=input .nextInt();List<Person> list =getList();boolean flag =false ;for (int i =0; i <list .size(

13、); i +) Person per =list .get( i);if ( num=per .getNum() showTitle();System. out .println( per);精心整理System. out .println("是否确定删除(Y/N) ?");String answer =input .next();if ("Y" .equalsIgnoreCase( answer) list .remove( i);savelist( list );System. out .println("删除成功!");flag

14、 =true ;break ;flag ) if (!System. out .println( "该客户不存在！”)； /修改publicvoid update() throws NumberFormatException,IOException shoAll();System. out .println( "请输入编号：n");int num=input .nextInt();int Id =getper( num);(Id !=-1);System. out .println(”请输入姓名:String name=input .next();System.

15、out .println("请输入地址:);String addressSystem. out .println(=input .next();" 1 "请输入性别:);String sex=input .next(); List<Person> list =getList(); Person per =list .get( Id ); per .setName( name; per .setAddress( address ); per .setSex( sex); showTitle();/System. savelist( System. els

16、e System.out .println(list );out .println(out .println(查询per)；”修改成功！");”编号不存在！");publicvoid search() throwsNumberFormatException,IOExceptionboolean flag =true ;List<Person> list =getList();if (list .size()!=0) while (flag )int slt =newMenu().subMenu(); switch (slt ) case 1:System. ou

17、t .print( "t 请输入编号：”)； findId( input .nextInt();break ; case 2:System. out .print( "t 请输入姓名：”)； findName( input .next();break ;case 3:System. out .print( "t 请输入地址：”)； findAddress( input .next();break ;case 4: flag =quit(); break ; else System. out .println("无任何信息！”)； /按编号查询口 '

18、;publicvoid findId( int num) throws NumberFormatException,IOException List<Person> list =getList();boolean flag =false ;for (int i =0; i <list .size(); i +)Person per =list .get( i );if (num=per .getNum() showTitle();System. out .println( per);flag =true ;break ;if (! flag ) System. out .pr

19、intln( "t 该客户不存在！");/按姓名查询publicvoid findName(String name) throws NumberFormatException,IOExcept ionList<Person> list =getList();boolean flag =false ;for (int i =0; i <list .size(); i +)Person per =list .get( i );if ( nameequals( per .getName()showTitle();System. out .println( per

20、);flag =true ;break ;if (! flag )System. out .println( "t 该客户不存在！");/按地址查找publicvoid findAddress(String address ) throws NumberFormatException,IO ExceptionList<Person> list =getList();boolean flag =false ;for (int i =0; i <list .size(); i +)Person per =list .get( i );if (address .

21、equals( per .getAddress()showTitle();flag =true ;System. out .println( per);break ;if (! flag )System. out .println( "t 该客户不存在！");/退出查询publicboolean quit()System. out .println("是否确定退出(Y/N) ?");if ("Y" .equalsIgnoreCase( input .next()System. out .println( "退出成功！”)； returnfalse else returntrue/浏览publicvoid shoAll() throws NumberFormatException,IOException List<Person> list =getList();if (list .size()!=0)showTitle();for (Person person : list ) System. out .println( person .toString(); else System. out .println("无任何信息！”)；public