java通讯录管理

发布网友发布时间：2022-04-23 10:07

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热心网友时间：2023-05-02 23:10

大致写了一下，你可以看看：

package noteBook;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

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.StringTokenizer;

import java.util.Vector;

import javax.swing.*;

import javax.swing.table.DefaultTableModel;

class guiView extends JFrame implements ActionListener {

JMenuBar jmb;

JMenu text;

JMenu edit;

JMenu help;

JMenuItem save;

JMenuItem change;

JMenuItem guide;

JLabel name;

JLabel address;

JLabel post;

JLabel mobilePhone;

JLabel email;

JTextField JT_name;

JTextField JT_address;

JTextField JT_post;

JTextField JT_mobilePhone;

JTextField JT_email;

JButton jOk;

JButton jCancel;

JTable table;

static DefaultTableModel dtm;

Vector<String> head;

int row = 0; // 用于标记当前行的位置

public guiView() {

super("通讯录管理程序");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setSize(600, 700);

setVisible(true);

Container con = this.getContentPane();

jmb = new JMenuBar();

this.setJMenuBar(jmb);

text = new JMenu("文件", true);

edit = new JMenu("编辑", true);

help = new JMenu("帮助", true);

save = new JMenuItem("保存");

change = new JMenuItem("修改");

guide = new JMenuItem("指导");

save.addActionListener(this);save.setActionCommand("save");

change.addActionListener(this);change.setActionCommand("change");

guide.addActionListener(this);guide.setActionCommand("guide");

text.add(save);edit.add(change);help.add(guide);

jmb.add(text);jmb.add(edit);jmb.add(help);

name = new JLabel("姓名:", Label.RIGHT);

address = new JLabel("通信地址:", Label.RIGHT);

post = new JLabel("邮编:", Label.RIGHT);

mobilePhone = new JLabel("移动电话:", Label.RIGHT);

email = new JLabel("电子邮件:", Label.RIGHT);

JT_name = new JTextField(12);

JT_address = new JTextField(28);

JT_post = new JTextField(12);

JT_mobilePhone = new JTextField(12);

JT_email = new JTextField(12);

jOk = new JButton("确定");

jCancel = new JButton("取消");

jOk.addActionListener(this);

jOk.setActionCommand("ok");

jCancel.addActionListener(this);

jCancel.setActionCommand("cancel");

JPanel panelSOUTH = new JPanel();

JPanel panelCENTER = new JPanel();

JPanel panelCENTERSouth = new JPanel();

JPanel panelCENTERCenter = new JPanel();

JPanel panelCENTERNorth = new JPanel();

JPanel panelNorth = new JPanel();

JPanel panelNorthSouth = new JPanel();

head = new Vector<String>();

head.addElement("姓名");

head.addElement("通信地址");

head.addElement("邮编");

head.addElement("移动电话");

head.addElement("电子邮件");

dtm = new DefaultTableModel(null, head);

showData();

table = new JTable(dtm);

table.addMouseListener(new MouseListener() {

public void mouseClicked(MouseEvent e) {

row = table.getSelectedRow();

System.out.println(row);

getData(row);

}

public void mouseEntered(MouseEvent e) {

}

public void mouseExited(MouseEvent e) {

}

public void mousePressed(MouseEvent e) {

}

public void mouseReleased(MouseEvent e) {

}

});

JScrollPane jsp = new JScrollPane(table);

panelNorthSouth.setLayout(new GridLayout(1, 5));

panelNorthSouth.add(name);

panelNorthSouth.add(address);

panelNorthSouth.add(post);

panelNorthSouth.add(mobilePhone);

panelNorthSouth.add(email);

panelNorth.setLayout(new BorderLayout());

panelNorth.add(jsp,BorderLayout.CENTER);

panelNorth.add(panelNorthSouth, BorderLayout.SOUTH);

panelCENTERNorth.add(name);

panelCENTERNorth.add(JT_name);

panelCENTERNorth.add(email);

panelCENTERNorth.add(JT_email);

panelCENTERCenter.add(post);

panelCENTERCenter.add(JT_post);

panelCENTERCenter.add(mobilePhone);

panelCENTERCenter.add(JT_mobilePhone);

panelCENTERSouth.add(address);

panelCENTERSouth.add(JT_address);

panelCENTER.add(panelCENTERNorth, BorderLayout.NORTH);

panelCENTER.add(panelCENTERCenter, BorderLayout.CENTER);

panelCENTER.add(panelCENTERSouth, BorderLayout.SOUTH);

panelSOUTH.add(jOk);

panelSOUTH.add(jCancel);

con.add(panelNorth, BorderLayout.NORTH);

con.add(panelCENTER, BorderLayout.CENTER);

con.add(panelSOUTH, BorderLayout.SOUTH);

}

// 对点击首行，上一行，下一行，最后一行按钮触发的操作进行事件响应处理

public void actionPerformed(ActionEvent e) {

String command = e.getActionCommand();

if (command.equals("ok")) {

String name = this.JT_name.getText();

String address = this.JT_address.getText();

String post = this.JT_post.getText();

String mobilePhone = this.JT_mobilePhone.getText();

String email = this.JT_email.getText();

saveData(name, address, post, mobilePhone, email);

showData();

table.setModel(dtm);

this.JT_name.setText("");

this.JT_address.setText("");

this.JT_post.setText("");

this.JT_mobilePhone.setText("");

this.JT_email.setText("");

}

else if (command.equals("cancel")) {

this.JT_name.setText("");

this.JT_address.setText("");

this.JT_post.setText("");

this.JT_mobilePhone.setText("");

this.JT_email.setText("");

}

else if(command.equals("save")){

// save all data in the table

}

else if(command.equals("change")){

// table allow to change some data

}

else if(command.equals("guide")){

// maybe show how to use it

}

else {

System.err.println("error!");

System.exit(-1);

}

private void showData() {

dtm = new DefaultTableModel(null, head);

File file = new File("F:/java/data.txt");

String str = null;

BufferedReader br = null;

try {

br = new BufferedReader(new FileReader(file));

str = br.readLine();

while (str != null) {

if (str == null) {

System.err.println("no data!");

break;

} else {

StringTokenizer st = new StringTokenizer(str, ",");// 每行信息的6个字段分别用空格隔开的

Vector<String> v = new Vector<String>();

v.addElement(st.nextToken());

dtm.addRow(v);

}

str = br.readLine();

}

br.close();// 一定要关闭资源

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

private void saveData(String name, String address, String post,

String mobilePhone, String email) {

File file = new File("F:/java/data.txt");

ArrayList list = null;

try {

BufferedReader br = new BufferedReader(new FileReader(file));

list = new ArrayList();

String ss = "";

while ((ss = br.readLine()) != null)

list.add(ss);

br.close();

} catch (Exception e) {

e.printStackTrace();

}

list.set(row, name + "," + address + "," + post + "," + mobilePhone

+ "," + email);

try {

PrintWriter pw = new PrintWriter(file);

for (int i = 0; i < list.size(); i++) {

pw.println(list.get(i));

}

list.clear();

list = null;

pw.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

}

// 通过flag标记当前读到了文件的第几行。然后循环读至该行

private void getData(int row) {

File file = new File("F:/java/data.txt");

String str = null;

StringTokenizer st;

BufferedReader br = null;

try {

br = new BufferedReader(new FileReader(file));

for (int i = 0; i <= row; i++) {

str = br.readLine();

}

if (str == null) {

System.err.println("no data!");

} else {

st = new StringTokenizer(str, ",");// 每行信息的6个字段分别用空格隔开的

this.JT_name.setText(st.nextToken());

this.JT_address.setText(st.nextToken());

this.JT_post.setText(st.nextToken());

this.JT_mobilePhone.setText(st.nextToken());

this.JT_email.setText(st.nextToken());

}

br.close();// 一定要关闭资源

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

public static void main(String[] s) {

guiView c = new guiView();

c.setVisible(true);

}