java编写通信录管理系统_Java 实现通讯录管理系统教程
本文實例為大家分享了java實現通訊錄管理系統的具體代碼，供大家參考，具體內容如下
完成項目的流程：
1.根據需求，確定大體方向
2.功能模塊分析
3.界面實現
4.功能模塊設計
5.coding
6.代碼測試
下面是源代碼：import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.concurrent.SynchronousQueue;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;
import javax.swing.text.html.HTMLDocument.Iterator;
class Infro{
public String id;
public String name;
public String sex;
public String address;
public String e_mail;
public String phoneNumber;
static int index = 0;
static ArrayList list = new ArrayList();
static int len = list.size();
//構造函數
public Infro(String id,String name,String sex,String address,String e_mail,String phoneNumber){
this.id = id;
this.name = name;
this.sex = sex;
this.address = address;
this.e_mail = e_mail;
this.phoneNumber = phoneNumber;
}
public String toString(){
return "編號："+id+" 姓名："+name+" 性別："+sex+" 通訊地址："+address+" 郵箱地址："+e_mail+" 電話："+phoneNumber;
}
/**
* 添加功能
**/
public static void addFunction(){//添加功能
Infro infro = new Infro("","","","","","");
System.out.println("請輸入添加的數據：");
Scanner in = new Scanner(System.in);
System.out.println("輸入編號：");
infro.id = in.next();
System.out.println("輸入姓名：");
infro.name = in.next();
System.out.println("輸入性別：");
infro.sex = in.next();
System.out.println("輸入通訊地址：");
infro.address = in.next();
System.
out.println("輸入郵箱地址：");
infro.e_mail = in.next();
System.out.println("輸入電話：");
infro.phoneNumber = in.next();
list.add(index,infro);
index++;
if(list.isEmpty()){
System.out.println("數據添加失敗啦");
}else{
System.out.println("數據添加成功啦");
len++;//list集合長度加一
// System.out.println(list.get(0).toString());
}
}
// public static void deleteFunction(){//刪除功能
// System.out.println("輸入要刪除的聯系人的編號");
// Scanner in_2 = new Scanner(System.in);
// String d1 = in_2.nextLine();
// for(int a= 0; a
// if(d1.equals(list.get(a).id)){
// list.remove(list.get(a));
// len --;
// }
// }
// }
/**
* 刪除功能
**/
public static void deleteFunction(){
System.out.println("輸入要刪除的聯系人的編號");
Scanner in_2 = new Scanner(System.in);
String d1 = in_2.nextLine();
java.util.Iterator it = list.iterator();
while (it.hasNext()){
Infro infro = it.next();
if (infro.id.equals(d1)){
it.remove();
--index;//一定要加這個，否則當做了刪除操作再做添加操作的時候會出現異常(類似于指針，棧)
System.out.println("刪除完畢"+"此時通訊錄記錄條數為：" + --len);
}
}
}
/**
* 修改功能
**/
public static void reditFunction(){
System.out.println("輸入要修改的通訊錄的Id");
Scanner in_r = new Scanner(System.in);
String r1 = in_r.nextLine();
for(int a = 0; a < len;a++){
if(r1.equals(list.get(a).id)){
System.out.println("輸入修改后的姓名：");
String name_1 = in_r.next();
list.get(a).name = name_1;
System.out.println("輸入修改后的性別：");
String sex_1 = in_r.next();
list.get(a).sex = sex_1;
System.out.println("輸入修改后的通訊地址：");
String address_1 = in_r.next();
list.get(a).address = address_1;
System.out.println("輸入修改后的郵箱地址：");
String e_mail_1 = in_r.next();
list.get(a).e_mail = e_mail_1;
System.out.println("輸入修改后的電話：");
String phoneNumber_1 = in_r.next();
list.get(a).phoneNumber = phoneNumber_1;
System.out.println("數據修改完畢");
}
}
}
/**
* 查詢功能
**/
public static void searchFunction() throws Exception{//查詢功能
System.out.println("請輸入要查詢的姓名：");
Scanner in_1 = new Scanner(System.in);
String s1=in_1.nextLine();
for(int a= 0; a
if(s1.equals(list.get(a).name)){
System.out.println(list.get(a).toString());
}
}
}
/**
* 顯示功能
**/
public static void showFunction(){
for(int i = 0 ;i
System.out.println(list.get(i).toString());
}
}
/**
* 保存功能
**/
public static void writeFunction() throws IOException{
FileWriter writer = new FileWriter("通訊錄管理.txt");
for(int i = 0 ;i
String []strwriter = new String[len];
strwriter[i]=list.get(i).toString();
writer.write(strwriter[i]);
writer.write("\r\n");
System.out.println("成功寫入一行數據到 通訊錄管理.txt 中");
}
writer.close();//關閉寫入流，釋放資源
}
/**
* 讀取功能
**/
public static void readFunction() throws IOException{
FileReader reader = new FileReader("通訊錄管理.txt");
BufferedReader br = new BufferedReader(reader);
String str;
while((str = br.readLine()) != null){//每次讀取一行文本，判斷是否到達文件尾
System.out.println(str);
}
br.close();
}
}
public class Demo extends JFrame {
/**
* 界面設計
**/
public Demo(){
Container c = getContentPane(); //定義一個頂級容器c
JPanel jp = new JPanel(); //新建JPanel面板--jp
JButton button1 = new JButton("新建聯系人");
JButton button2 = new JButton("刪除聯系人");
JButton button3 = new JButton("編輯聯系人");
JButton button4 = new JButton("查找聯系人");
JButton button5 = new JButton("顯示所有聯系人");
JButton button6 = new JButton("保存聯系人到本地");
JButton button7 = new JButton("讀取本地聯系人");
jp.setLayout(new GridLayout(2,4,5,5));//新建網格布局管理器(行數，列數，組件間的水平垂直間距)
jp.add(button1);
jp.add(button2);
jp.add(button3);
jp.add(button4);
jp.add(button5);
jp.add(button6);
jp.add(button7);
c.add(jp);//將JPanel面板jp添加到頂級容器c中
setSize(600,500);
setTitle("*通 訊 錄 管 理 系 統*");
setVisible(true);
setResizable(false);//窗體大小由程序員決定，用戶不能自由改變大小
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
/**
*按鍵響應
*
**/
button1.addActionListener(new ActionListener(){//添加功能實現
public void actionPerformed(ActionEvent arg0){
Infro.addFunction();
}
});
button2.addActionListener(new ActionListener(){//刪除功能實現
public void actionPerformed(ActionEvent arg0){
Infro.deleteFunction();
}
});
button3.addActionListener(new ActionListener(){//修改功能實現
public void actionPerformed(ActionEvent arg0){
Infro.reditFunction();
}
});
button4.addActionListener(new ActionListener(){//查詢功能實現
public void actionPerformed(ActionEvent arg0){
try {
Infro.searchFunction();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
button5.addActionListener(new ActionListener(){//顯示功能實現
public void actionPerformed(ActionEvent arg0){
Infro.showFunction();
}
});
button6.addActionListener(new ActionListener(){//保存功能實現
public void actionPerformed(ActionEvent arg0){
try {
Infro.writeFunction();
} catch (IOException e) {
e.printStackTrace();
}
}
});
button7.addActionListener(new ActionListener(){//讀取功能實現
public void actionPerformed(ActionEvent arg0){
try {
Infro.readFunction();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
}
public static void main(String[] args) {
// TODO Auto-generated method stub
new Demo();
Infro a = new Infro("", "", "", "", "", "");
}
}
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