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java专业课程设计客户标准管理系统源代码.docx

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完整代码: 1. 用户类(class person): package 用户管理系统; 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; this.name=name; this.address=address; this.sex=sex; } public void setNum(int num){ this.num=num; } public int getNum(){ return num; } public void setName(String name){ this.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 sex; } public String toString() { return "\t"+num+"\t"+name+"\t"+address+"\t"+sex; } } 2. 菜单类(class Menu): package 用户管理系统; import java.util.Scanner; public class Menu { Scanner input=new Scanner(System.in); public Menu() {} public int showMenu() { System.out.println("***********************************"); System.out.println("用户管理系统"); System.out.println("==================================="); System.out.println("【1】增加"); System.out.println("【2】删除"); System.out.println("【3】修改"); System.out.println("【4】查询"); System.out.println("【5】浏览"); System.out.println("【6】退出"); System.out.println("***********************************"); System.out.print("请选择操作:"); return input.nextInt(); } public int subMenu() { System.out.println("\t【查询用户】"); System.out.println("\t[1]按用户编号查询"); System.out.println("\t[2]按用户姓名查询"); System.out.println("\t[3]按地址查询"); System.out.println("\t[4]退出"); System.out.println("\t请选择查询编号"); return input.nextInt(); } } 3. 实际操作类(class FileOperate ): package 用户管理系统; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; 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.createNewFile(); }catch(IOException e) { e.printStackTrace(); } } } public List<Person> getList() throws NumberFormatException,IOException{ BufferedReader br=new BufferedReader(new FileReader(file)); String msg=null ; List<Person> list =new ArrayList<Person>(); while ((msg =br.readLine())!=null) { String arr[]=msg.split("\t"); int num=Integer.parseInt(arr[0]); String name =arr[1]; String address=arr[2]; String sex=arr[3]; Person person =new Person(num,name,address,sex); list.add(person); } br.close(); return list; } private void savelist(List<Person> list)throws FileNotFoundException{ PrintWriter pw=new PrintWriter(new File(INFO)); for (Person c:list) { pw.format("%d\t %s\t %s\t %s\t \r\n",c.getNum(),c.getName(),c.getAddress(),c.getSex()); } pw.close(); } public int getper(int num) throws NumberFormatException,IOException{ List<Person> list=getList(); for (int i=0;i<list.size();i++) { Person per=list.get(i); if(num==per.getNum()) { return i; } } return -1; } //增加 public void 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.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=new Person(num,name,address,sex); List<Person> list=getList(); list.add(person); savelist(list); System.out.println("新增成功!"); } } //删除 public void delete() throws NumberFormatException,IOException{ System.out.println("请输入要删除编号:"); int num=input.nextInt(); 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); 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=true; break; } } if (!flag) { System.out.println("该用户不存在!"); } } //修改 public void update() throws NumberFormatException,IOException{ shoAll(); System.out.println("请输入编号:\n"); int num=input.nextInt(); int Id=getper(num); if (Id!=-1) { 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(); List<Person>list=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("编号不存在!"); } } //查询 public void search() throws NumberFormatException,IOException{ boolean flag=true; List<Person>list=getList(); if(list.size()!=0) { while(flag) { int slt=new Menu().subMenu(); switch (slt) { case 1: System.out.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 public void 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.println("\t该用户不存在!"); } } //按姓名查询 public void findName(String name) throws NumberFormatException,IOException{ List<Person>list=getList(); boolean flag=false; for (int i=0;i<list.size();i++) { Person per =list.get(i); if(name.equals(per.getName())) { showTitle(); System.out.println(per); flag=true; break; } } if (!flag) { System.out.println("\t该用户不存在!"); } } //按地址查找 public void findAddress(String address) throws NumberFormatException,IOException{ List<Person>list=getList(); boolean flag=false; for (int i=0;i<list.size();i++) { Person per =list.get(i); if(address.equals(per.getAddress())) { showTitle(); flag=true; System.out.println(per); break; } } if (!flag) { System.out.println("\t该用户不存在!"); } } //退出查询 public boolean quit() { System.out.println("是否确定退出(Y/N)?"); if ("Y".equalsIgnoreCase(input.next())) { System.out.println("退出成功!"); return false; }else { return true; } } //浏览 public void 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 void showTitle() { System.out.println("用户信息为:\n\t编号\t姓名\t地址\t性别"); } //退出系统 public boolean exit() { System.out.println("是否确定退出(Y/N)?"); return!"Y".equalsIgnoreCase(input.next())?true:false; } } 4. 测试类(class Text): package 用户管理系统; import java.io.IOException; public class Test { public static void main(String[] args) throws NumberFormatException, IOException { Menu m=new Menu(); boolean flag=true; FileOperate fo=new FileOperate(); while(flag) { int slt=m.showMenu(); switch(slt) { case 1:fo.insert();//增加 break; case 2:fo.delete();//删除 break; case 3:fo.update();//修改 break; case 4:fo.search();//查询 break; case 5:fo.shoAll();//浏览 break; case 6: //退出 flag=fo.exit(); if(!flag) System.out.println("谢谢使用!"); break; } } } }
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