communication.java

里面是一些JAVA的简单例子,比较适合初学JAVA的朋友

/*
 * 创建日期 2006-3-13
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package addresslist;

import java.awt.Container;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;

/**
 * @author CHUPING
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class Communication extends JFrame{
	JLabel title = new JLabel("communication");
    JLabel name = new JLabel("name");
    JLabel zip =new JLabel("zip");
    JLabel address = new JLabel("address");
    JLabel telephone = new JLabel("telephone");
    JLabel mobile =new JLabel("mobile");
    JLabel email = new JLabel("email");
    JLabel qqNum = new JLabel("qqNum");
    JTextField nametext = new JTextField();
    JTextField ziptext = new JTextField();
    JTextField addtext = new JTextField();
    JTextField teltext = new JTextField();
    JTextField mobtext = new JTextField();
    JTextField emailtext = new JTextField();
    JTextField qqNumtext = new JTextField();
    Font font = new Font("TimersRoman",Font.ITALIC,40);
    JButton add = new JButton("add");
    JButton find = new JButton("find");
    JButton clear = new JButton("clear");
    JButton exit = new JButton("exit");
    ArrayList al =new ArrayList ();
    Communication(String s){
    	super(s);
    	Container cp =getContentPane();
    	cp.setLayout(null);
    	title.setFont(font);
    	title.setBounds(130,10,300,60);
    	name.setBounds(50,70,75,25);
    	zip.setBounds(50,120,75,25);
    	address.setBounds(50,170,75,25);
    	telephone.setBounds(50,220,75,25);
    	mobile.setBounds(50,270,75,25);
    	email.setBounds(50,320,75,25);
    	qqNum.setBounds(50,370,75,25);
    	nametext.setBounds(150,70,100,25);
		ziptext.setBounds(150,120,100,25);
    	addtext.setBounds(150,170,250,25);
    	teltext.setBounds(150,220,150,25);
    	mobtext.setBounds(150,270,150,25);
    	emailtext.setBounds(150,320,250,25);
    	qqNumtext.setBounds(150,370,150,25);
    	add.setBounds(50,400,75,25);
    	find.setBounds(150,400,75,25);
    	clear.setBounds(250,400,75,25);
		exit.setBounds(350,400,75,25);
		add.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				if(nametext.getText().equalsIgnoreCase("")){
					JOptionPane.showMessageDialog(null,"无法添加名字为空的记录","Message",JOptionPane.INFORMATION_MESSAGE);
					nametext.setText("");
					ziptext.setText("");
					addtext.setText("");
					teltext.setText("");
					mobtext.setText("");
					emailtext.setText("");
					qqNumtext.setText("");
					return;
				}
				Note note = new Note();
				note.name = nametext.getText();
				note.zip=ziptext.getText();
				note.address = addtext.getText();
				note.telephone = teltext.getText();
				note.mobile = mobtext.getText();
				note.email = emailtext.getText();
				note.qqNum = qqNumtext.getText();
				try{
					ObjectInputStream in = new ObjectInputStream(new FileInputStream("note.txt"));
					al = (ArrayList)in.readObject();
					in.close();
				}catch(Exception ex){}
				try{
					ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("note.txt",true));
					Note temp = new Note();
					int i;
					for(i = 0;i < al.size();i++){
						temp=(Note)al.get(i);
						if(temp.name.equalsIgnoreCase(nametext.getText()))
							break;
					}
					if(al.size()!=0&&i!=al.size()){
						JOptionPane.showMessageDialog(null,"已经存在此记录","Message",JOptionPane.INFORMATION_MESSAGE);
					}
					else{
						al.add(note);
						out.writeObject(al);
					}
					    out.close();
				}catch (Exception ex){}
				nametext.setText("");
				ziptext.setText("");
				addtext.setText("");
				teltext.setText("");
				mobtext.setText("");
				emailtext.setText("");
				qqNumtext.setText("");
			}
		});
		find.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				try {
					ObjectInputStream in = new ObjectInputStream(new FileInputStream("note.txt"));
					al = (ArrayList)in.readObject();
					in.close();
				}catch(Exception ex){}
				Note temp = new Note();
				int i;
				for (i = 0;i<al.size();i++){
					temp = (Note)al.get(i);
					if(temp.name.equalsIgnoreCase(nametext.getText()))
						break;
				}
				if(al.size()!=0&&i!=al.size()){
					ziptext.setText(temp.zip);
					addtext.setText(temp.address);
					teltext.setText(temp.telephone);
					mobtext.setText(temp.mobile);
					emailtext.setText(temp.email);
					qqNumtext.setText(temp.qqNum);
				}
				else{
					nametext.setText("");
					ziptext.setText("");
					addtext.setText("");
					teltext.setText("");
					mobtext.setText("");
					emailtext.setText("");
					qqNumtext.setText("");
					JOptionPane.showMessageDialog(null,"无此记录","Message",JOptionPane.INFORMATION_MESSAGE);
				}
			}
		});
		clear.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				try{
					ObjectOutputStream out=new ObjectOutputStream(new FileOutputStream("note.txt"));
					al.clear();
					out.close();
				}catch(Exception ex){}
				nametext.setText("");
				ziptext.setText("");
				addtext.setText("");
				teltext.setText("");
				mobtext.setText("");
				emailtext.setText("");
				qqNumtext.setText("");
				}
		});
		exit.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				System.exit(1);
			}
		});
		cp.add(title);
		cp.add(name);
		cp.add(zip);
		cp.add(address);
		cp.add(telephone);
		cp.add(mobile);
		cp.add(email);
		cp.add(qqNum);
		cp.add(nametext);
		cp.add(ziptext);
		cp.add(addtext);
		cp.add(teltext);
		cp.add(mobtext);
		cp.add(emailtext);
		cp.add(qqNumtext);
		cp.add(add);
		cp.add(find);
		cp.add(clear);
		cp.add(exit);
    }
    public static void main(String[] args) {
    	Communication com = new Communication("通讯录");
		com.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
    	com.setSize(500,500);
    	com.setVisible(true);
	}
}
class Note implements Serializable{
	public String name;
	public String zip;
	public String address;
	public String telephone;
	public String mobile;
	public String email;
	public String qqNum;
	public Note(){}
}