import java.io.BufferedOutputStream;
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import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
public class AddList {
private String filePath = "";
private String bakPath = "";
private String content = "";
Scanner sc = new Scanner(System.in);
public String readFile(){
content = "";
if (isNull(filePath)) {
System.out.println("文件存储路径：");
filePath = sc.nextLine();
}
File file = new File(filePath);
FileReader fr = null;
try {
if (file.exists()) {
fr = new FileReader(file);
char[] chars = new char[1024];
int n = 0;
while((n = fr.read(chars)) != -1){
String string = new String(chars, 0, n);
content = content + string;
}
} else {
System.out.println("文件不存在");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fr != null) {
try {
fr.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return content;
}
public void writeFile(String path){
File file = new File(path);
FileOutputStream fos = null;
mkDirs(path);
try {
fos = new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(fos);
PrintWriter pw = new PrintWriter(bos, true);
pw.print(content);
pw.flush();
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public void writeFile(){
if (isNull(filePath)) {
System.out.println("文件存储路径：");
filePath = sc.nextLine();
}
File file = new File(filePath);
FileOutputStream fos = null;
mkDirs(filePath);
try {
fos = new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(fos);
PrintWriter pw = new PrintWriter(bos, true);
pw.print(content);
pw.flush();
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public void mkDirs(String filepath){
if (filepath.indexOf("\\") != -1) {
filepath = filepath.replaceAll("\\", "/");
}
int n = filepath.indexOf("//");
String path = filepath.substring(0, n) + "//";
filepath = filepath.substring(filepath.indexOf("//") + 1, filepath.length());
String[] files = filepath.split("/");
for (int i = 0; i files.length - 1; i++) {
path = path + files[i];
File file = new File(path);
if (!file.exists()) {
file.mkdir();
}
}
}
public void addImfor(){
System.out.println("--------增加记录---------");
String name = "";
String tel = "";
String email = "";
content = readFile();
while(true){
System.out.println("姓名：");
name = sc.next();
System.out.println("电话：");
tel = sc.next();
System.out.println("Email：");
email = sc.next();
content = content + name + "" + tel + "" + email +"==";
System.out.println("0、Exit 1、继续");
int i = sc.nextInt();
if (i == 0) {
break;
}
}
writeFile();
}
public void deleteImfor(){
System.out.println("---------删除记录---------");
String name = "";
String[] imfors = null;
content = readFile();
while(true){
System.out.println("你要删除的姓名是：");
name = sc.next();
if (content.indexOf(name) != -1) {
imfors = content.split("==");
for (int i = 0; i imfors.length; i++) {
if (imfors[i].indexOf(name) != -1) {
imfors[i] = "";
}
}
附件：源程序清单 import java.awt.*; import java.awt.event.*; class Info { public static String name,address,mail,telephone; Info(){} } public class addressBook extends Frame implements ActionListener { private MenuItem noteAdd=new MenuItem("Add"); private MenuItem noteDel=new MenuItem("Del"); private MenuItem noteEdit=new MenuItem("Modify"); private MenuItem noteExit=new MenuItem("Exit"); private List noteList=new List(); private String[][] message=new String [1000][4]; public Info notes=new Info(); public addressBook(){ super("通讯录 向阳"); Menu note=new Menu("Edit"); note.add(noteAdd); note.add(noteDel); note.add(noteEdit); note.addSeparator(); note.add(noteExit); MenuBar bar=new MenuBar(); bar.add(note); setMenuBar(bar); add(noteList); noteAdd.addActionListener(this); noteDel.addActionListener(this); noteEdit.addActionListener(this); noteExit.addActionListener(this); noteList.addActionListener(this); addWindowListener(new WindowCloser()); setSize(300,400); show(); } public void actionPerformed(ActionEvent e){ if(e.getSource()==noteAdd){ notes.mail=null; notes.name=null; notes.address=null; notes.telephone=null; int index=noteList.getItemCount(); EditDialog dlg=new EditDialog(this,"添加通讯录"); if(dlg.isOk){ message[index][0]=dlg.textName.getText(); message[index][1]=dlg.textAddress.getText(); message[index][2]=dlg.textEmail.getText(); message[index][3]=dlg.textTelephone.getText(); if (message[index][0]!=null){ String s="姓名："+message[index][0]+"；\t地址"+message[index][1]+"；\tE-mail"+message[index][2]+"；\t电话"+message[index][3]; noteList.add(s); } } dlg.dispose(); }else if(e.getSource()==noteDel){ ConfirmDialog dlg=new ConfirmDialog(this,"确认删除","确定要删除这一条吗？"); if (dlg.close){ noteList.remove(noteList.getSelectedIndex()); } dlg.dispose(); }else if(e.getSource()==noteEdit||e.getSource()==noteList){ int i=noteList.getSelectedIndex(); if(i!=-1){ notes.name=message[i][0]; notes.address=message[i][1]; notes.mail=message[i][2]; notes.telephone=message[i][3]; EditDialog dlg=new EditDialog(this,"修改通讯录"); if(dlg.isOk){ message[i][0]=dlg.textName.getText(); message[i][1]=dlg.textAddress.getText(); message[i][2]=dlg.textEmail.getText(); message[i][3]=dlg.textTelephone.getText(); String s="姓名："+message[i][0]+"；\t地址"+message[i][1]+"；\tE-mail"+message[i][2]+"；\t电话"+message[i][3]; noteList.replaceItem(s,i); } dlg.dispose(); } }else if(e.getSource()==noteExit){ System.exit(0); } } private class WindowCloser extends WindowAdapter{ public void WindowClosing(WindowEvent we){ System.exit(0); } } public static void main(String[]args){ addressBook a=new addressBook(); } } class EditDialog extends Dialog implements ActionListener { private Button ok=new Button("确定"); private Button cancel=new Button("取消"); private Label labelName=new Label("姓名",Label.LEFT); private Label labelAddress=new Label("地址",Label.LEFT); private Label labelEmail=new Label("E-mail",Label.LEFT); private Label labelTelephone=new Label("电话",Label.LEFT); TextField textName=new TextField(30); TextField textAddress=new TextField(30); TextField textEmail=new TextField(30); TextField textTelephone=new TextField(30); public boolean isOk=false; private Info notes=new Info(); public EditDialog(Frame parent,String title){ super(parent,title,true); Panel pName=new Panel(); pName.setLayout(new FlowLayout()); pName.add(labelName); pName.add(textName); Panel pAddress=new Panel(); pName.setLayout(new FlowLayout()); pName.add(labelAddress); pName.add(textAddress); Panel pEmail=new Panel(); pName.add(labelEmail); pName.add(textEmail); Panel pTelephone=new Panel(); pName.add(labelTelephone); pName.add(textTelephone); Panel pInfo=new Panel(); pInfo.setLayout(new GridLayout(4,1)); pInfo.add(pName); pInfo.add(pAddress); pInfo.add(pEmail); pInfo.add(pTelephone); Panel pButton=new Panel(); pButton.setLayout(new FlowLayout()); pButton.add(ok); pButton.add(cancel); setLayout(new BorderLayout()); add("Center",pInfo); add("South",pButton); textName.setText(notes.name); textAddress.setText(notes.address); textEmail.setText(notes.mail); textTelephone.setText(notes.telephone); ok.addActionListener(this); cancel.addActionListener(this); addWindowListener(new WindowCloser()); setResizable(false); pack(); show(); } public void actionPerformed(ActionEvent ae) { if(ae.getSource()==ok){ isOk=true; this.hide(); } if(ae.getSource()==cancel){ isOk=false; this.hide(); } } private class WindowCloser extends WindowAdapter { public void windowClosing(WindowEvent we) { isOk=false; EditDialog.this.hide(); } } } class ConfirmDialog extends Dialog implements ActionListener { private Button okay=new Button("确定"); private Button cancel=new Button("取消"); private Label label=new Label(); public boolean close=false; public ConfirmDialog (Frame parent,String title,String question) { super(parent,title,true); label.setText(question); Panel buttons=new Panel(); buttons.setLayout(new FlowLayout()); buttons.add(okay); buttons.add(cancel); setLayout(new BorderLayout()); add("Center",label); add("South",buttons); okay.addActionListener(this); cancel.addActionListener(this); addWindowListener(new WindowCloser()); setResizable(false); pack(); show(); } private class WindowCloser extends WindowAdapter{ public void WindowClosing(WindowEvent we){ ConfirmDialog.this.close=false; ConfirmDialog.this.hide(); } public void actionPerformed(ActionEvent ae){ close=(ae.getSource()==okay); hide(); } }}
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class AddressList {
static Scanner scanner = new Scanner(System.in);
static ListEntity enlist = new ArrayListEntity();
public static void main(String[] args) {
int input;
AddressList addre = new AddressList();
System.out.println("===============欢迎使用**通讯录===============");
do{
System.out.println("1、插入联系人");
System.out.println("2、删除练习人");
System.out.println("3、修改联系人");
System.out.println("4、查询练习人");
System.out.println("5、查询全部联系人");
System.out.println("0、退出系统");
System.out.println("请选择：");
input = scanner.nextInt();
switch(input){
case 1:
Entity e = new Entity();
e.id = enlist.size();
System.out.println("请输入联系人姓名：");
e.name = scanner.next();
System.out.println("请输入联系方式：");
e.number = scanner.nextInt();
addre.add(e);
System.out.println("插入成功！");
break;
case 2:
System.out.println("请输入要删除联系人编号：");
int num = scanner.nextInt();
if(addre.delete(num))
System.out.println("删除成功！");
else
System.out.println("删除失败，请确认信息是否正确！");
break;
case 3:
System.out.println("请输入要修改人编号：");
int unum = scanner.nextInt();
addre.update(unum);
System.out.println("修改完成！");
break;
case 4:
System.out.println("请输入要查询人姓名：");
String name = scanner.next();
Entity ent = addre.select(name);
if(ent!=null){
System.out.println(name+"的联系方式为："+ent.number);
}else{
System.out.println("查无此人！");
}
break;
case 5:
for(Entity entit:enlist){
System.out.println(entit.name+"的联系方式为："+entit.number);
}
break;
}
}while(input!=0);
System.out.println("谢谢使用！");
}
/*
* 添加联系人
*/
public boolean add(Entity e){
enlist.add(e);
return true;
}
/*
* 删除联系人
*/
public boolean delete(int num){
if(numenlist.size())
return false;
else
enlist.remove(num);
return true;
}
/*
* 修改联系人
*/
public void update(int num){
if(numenlist.size())
System.out.println("查无此人！");
else{
Entity e = new Entity();
e.id = num;
System.out.println("请输入联系人姓名：");
e.name = scanner.next();
System.out.println("请输入联系方式：");
e.number = scanner.nextInt();
enlist.set(num, e);
}
}
/*
* 查询指定联系人电话
*/
public Entity select(String name){
Entity en = null;
for(Entity e : enlist){
if(e.name.equals(name))
en = e;
}
return en;
}
}
class Entity{
public int id;//编号
public String name;//姓名
public int number;//联系电话
}
