Java 实现通讯录管理系统教程

本文实例为大家分享了java实现通讯录管理系统的具体代码，供大家参考，具体内容如下

完成项目的流程：

1.根据需求，确定大体方向
2.功能模块分析
3.界面实现
4.功能模块设计
5.coding
6.代码测试

下面是源代码：

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();  //构造函数  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 "编号："+id+" 姓名："+name+" 性别："+sex+" 通讯地址："+address+" 邮箱地址："+e_mail+" 电话："+phoneNumber;  }   /**  * 添加功能  **/  public static void addFunction(){//添加功能  Infro infro = new Infro("","","","","","");  System.out.println("请输入添加的数据：");  Scanner in = new Scanner(System.in);  System.out.println("输入编号：");  infro.id = in.next();  System.out.println("输入姓名：");  infro.name = in.next();  System.out.println("输入性别：");  infro.sex = in.next();  System.out.println("输入通讯地址：");  infro.address = in.next();  System.  out.println("输入邮箱地址：");  infro.e_mail = in.next();  System.out.println("输入电话：");  infro.phoneNumber = in.next();  list.add(index,infro);  index++;  if(list.isEmpty()){  System.out.println("数据添加失败啦");  }else{  System.out.println("数据添加成功啦");  len++;//list集合长度加一 // System.out.println(list.get(0).toString());  }   } // public static void deleteFunction(){//删除功能 // System.out.println("输入要删除的联系人的编号"); // 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 --;  // } // } // }  /**  * 删除功能  **/  public static void deleteFunction(){  System.out.println("输入要删除的联系人的编号");  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;//一定要加这个，否则当做了删除操作再做添加操作的时候会出现异常（类似于指针，栈）  System.out.println("删除完毕"+"此时通讯录记录条数为：" + --len);  }  }  }  /**  * 修改功能  **/  public static void reditFunction(){  System.out.println("输入要修改的通讯录的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("输入修改后的姓名：");  String name_1 = in_r.next();  list.get(a).name = name_1;  System.out.println("输入修改后的性别：");  String sex_1 = in_r.next();  list.get(a).sex = sex_1;  System.out.println("输入修改后的通讯地址：");  String address_1 = in_r.next();  list.get(a).address = address_1;  System.out.println("输入修改后的邮箱地址：");  String e_mail_1 = in_r.next();  list.get(a).e_mail = e_mail_1;  System.out.println("输入修改后的电话：");  String phoneNumber_1 = in_r.next();  list.get(a).phoneNumber = phoneNumber_1;  System.out.println("数据修改完毕");  }  }  }  /**  * 查询功能  **/  public static void searchFunction() throws Exception{//查询功能  System.out.println("请输入要查询的姓名：");  Scanner in_1 = new Scanner(System.in);  String s1=in_1.nextLine();  for(int a= 0; a<len;a++){//切记，，这里不能用a<=list.seze(),否则会数组越界异常  if(s1.equals(list.get(a).name)){  System.out.println(list.get(a).toString());  }  }  }   /**  * 显示功能  **/  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("通讯录管理.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("成功写入一行数据到 通讯录管理.txt 中");  }  writer.close();//关闭写入流，释放资源  }  /**  * 读取功能  **/  public static void readFunction() throws IOException{  FileReader reader = new FileReader("通讯录管理.txt");  BufferedReader br = new BufferedReader(reader);  String str;  while((str = br.readLine()) != null){//每次读取一行文本，判断是否到达文件尾  System.out.println(str);  }  br.close();  } }   public class Demo extends JFrame {   /**  * 界面设计  **/  public Demo(){  Container c = getContentPane(); //定义一个顶级容器c  JPanel jp = new JPanel(); //新建JPanel面板--jp  JButton button1 = new JButton("新建联系人");  JButton button2 = new JButton("删除联系人");  JButton button3 = new JButton("编辑联系人");  JButton button4 = new JButton("查找联系人");  JButton button5 = new JButton("显示所有联系人");  JButton button6 = new JButton("保存联系人到本地");  JButton button7 = new JButton("读取本地联系人");  jp.setLayout(new GridLayout(2,4,5,5));//新建网格布局管理器（行数，列数，组件间的水平垂直间距）  jp.add(button1);  jp.add(button2);  jp.add(button3);  jp.add(button4);  jp.add(button5);  jp.add(button6);  jp.add(button7);  c.add(jp);//将JPanel面板jp添加到顶级容器c中  setSize(600,500);  setTitle("*通 讯 录 管 理 系 统*");  setVisible(true);  setResizable(false);//窗体大小由程序员决定，用户不能自由改变大小  setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);    /**  *按键响应  *   **/  button1.addActionListener(new ActionListener(){//添加功能实现  public void actionPerformed(ActionEvent arg0){  Infro.addFunction();  }  });  button2.addActionListener(new ActionListener(){//删除功能实现  public void actionPerformed(ActionEvent arg0){  Infro.deleteFunction();  }  });  button3.addActionListener(new ActionListener(){//修改功能实现  public void actionPerformed(ActionEvent arg0){  Infro.reditFunction();  }  });  button4.addActionListener(new ActionListener(){//查询功能实现  public void actionPerformed(ActionEvent arg0){  try {  Infro.searchFunction();  } catch (Exception e) {  // TODO Auto-generated catch block  e.printStackTrace();  }  }  });  button5.addActionListener(new ActionListener(){//显示功能实现  public void actionPerformed(ActionEvent arg0){  Infro.showFunction();  }  });  button6.addActionListener(new ActionListener(){//保存功能实现  public void actionPerformed(ActionEvent arg0){  try {  Infro.writeFunction();  } catch (IOException e) {  e.printStackTrace();  }  }  });  button7.addActionListener(new ActionListener(){//读取功能实现  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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