本文實例為大家分享了java實現(xiàn)通訊錄管理系統(tǒng)的具體代碼，供大家參考，具體內(nèi)容如下

完成項目的流程：

1.根據(jù)需求，確定大體方向
2.功能模塊分析
3.界面實現(xiàn)
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<Infro> list = new ArrayList();  static int len = list.size();  //構造函數(shù)  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(shù)據(jù)：");  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(shù)據(jù)添加失敗啦");  }else{  System.out.println("數(shù)據(jù)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(lián)系人的編號"); // Scanner in_2 = new Scanner(System.in); // String d1 = in_2.nextLine(); // for(int a= 0; a<len;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(lián)系人的編號");  Scanner in_2 = new Scanner(System.in);  String d1 = in_2.nextLine();  java.util.Iterator<Infro> 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(xiàn)異常（類似于指針，棧）  System.out.println("刪除完畢"+"此時通訊錄記錄條數(shù)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(shù)據(jù)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<len;a++){//切記，，這里不能用a<=list.seze(),否則會數(shù)組越界異常  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<len;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<len;i++){  String []strwriter = new String[len];  strwriter[i]=list.get(i).toString();  writer.write(strwriter[i]);  writer.write("rn");  System.out.println("成功寫入一行數(shù)據(jù)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(lián)系人");  JButton button2 = new JButton("刪除聯(lián)系人");  JButton button3 = new JButton("編輯聯(lián)系人");  JButton button4 = new JButton("查找聯(lián)系人");  JButton button5 = new JButton("顯示所有聯(lián)系人");  JButton button6 = new JButton("保存聯(lián)系人到本地");  JButton button7 = new JButton("讀取本地聯(lián)系人");  jp.setLayout(new GridLayout(2,4,5,5));//新建網(wǎng)格布局管理器（行數(shù)，列數(shù)，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(tǒng)*");  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(xiàn)  public void actionPerformed(ActionEvent arg0){  Infro.addFunction();  }  });  button2.addActionListener(new ActionListener(){//刪除功能實現(xiàn)  public void actionPerformed(ActionEvent arg0){  Infro.deleteFunction();  }  });  button3.addActionListener(new ActionListener(){//修改功能實現(xiàn)  public void actionPerformed(ActionEvent arg0){  Infro.reditFunction();  }  });  button4.addActionListener(new ActionListener(){//查詢功能實現(xiàn)  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(xiàn)  public void actionPerformed(ActionEvent arg0){  Infro.showFunction();  }  });  button6.addActionListener(new ActionListener(){//保存功能實現(xiàn)  public void actionPerformed(ActionEvent arg0){  try {  Infro.writeFunction();  } catch (IOException e) {  e.printStackTrace();  }  }  });  button7.addActionListener(new ActionListener(){//讀取功能實現(xiàn)  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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