socket图形化编程

Chatserver.java

package server;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.*;
import java.net.*;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
import java.util.Date;
import java.text.SimpleDateFormat;
/**
 *
 * @author Administrator
 */
public class chatServer implements ActionListener,Runnable{

    JTextArea showArea;
    JTextField msgText;
    JFrame mainJframe;
    JButton sentBtn;
    JScrollPane JSPane;
    JPanel pane;
    Container con;
    Thread thread=null;
    ServerSocket serversocket;
    Socket connectToClient;
    DataInputStream inFromClient;
    DataOutputStream outToClient;
    public chatServer(){
        mainJframe=new JFrame("服务器端");
        con=mainJframe.getContentPane();
        showArea=new JTextArea();
        showArea.setEditable(false);
        showArea.setLineWrap(true);
        JSPane=new JScrollPane(showArea);
        msgText=new JTextField();
        msgText.setColumns(30);
        msgText.addActionListener(this);
        sentBtn=new JButton("发送");
        sentBtn.addActionListener(this);
        pane= new JPanel();
        pane.setLayout(new FlowLayout());
        pane.add(msgText);
        pane.add(sentBtn);
        con.add(JSPane,BorderLayout.CENTER);
        con.add(pane,BorderLayout.SOUTH);
        mainJframe.setSize(500,400);
        mainJframe.setVisible(true);
        mainJframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        try{
            serversocket=new ServerSocket(5500);
            showArea.append("正在等待对话请求");
            //倾听客户端的连接
            connectToClient=serversocket.accept();
            //读取来自客户端的内容
            inFromClient=new DataInputStream(connectToClient.getInputStream());
            //向客户端发送内容
            outToClient=new DataOutputStream(connectToClient.getOutputStream());
            //启动线程在后台接受来自客户端的消息
            thread=new Thread(this);
            thread.setPriority(Thread.MIN_PRIORITY);
            thread.start();
        }catch(IOException e){
            showArea.append("对不起，不能创建服务器");
            msgText.setEditable(false);
            sentBtn.setEnabled(false);
        }
    }
    public static void main(String[]  args){
        new chatServer();
    }
    public void actionPerformed(ActionEvent e){
        String s=msgText.getText();
        SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date curdate=new Date();
        String str3=formatter.format(curdate);
        if(s.length()>0)
        {
            try{
                outToClient.writeUTF(s);
                outToClient.flush();

                showArea.append(str3+"我说："+msgText.getText()+"\n");
                showArea.setForeground(Color.red);

                msgText.setText(null);
            }catch(IOException el){
                showArea.append("你的消息："+msgText.getText()+"不能发出去\n");
            }
        }
    }

    public void run(){
        try{
             SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date curdate=new Date();
        String str3=formatter.format(curdate);
            while(true){
                showArea.append(str3+"对方说："+ inFromClient.readUTF()+"\n");
                showArea.setForeground(Color.blue);

                Thread.sleep(1000);
            }
        }catch(IOException el){}catch(InterruptedException e){}

        }
    }

chatClient.java

package client;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.*;
import java.net.*;
import java.awt.event.*;
import java.awt.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.*;
/**
 *
 * @author Administrator
 */
public class chatClient implements ActionListener,Runnable{

    JTextArea showArea;
    JTextField msgText;
    JFrame mainJframe;
    JButton sentBtn;
    JScrollPane JSPane;
    JPanel pane;
    Container con;
    Thread thread=null;
   // ServerSocket serversocket;
    Socket connectToServer;
    DataInputStream inFromServer;
    DataOutputStream outToServer;
    public chatClient(){
        mainJframe=new JFrame("客户端");
        con=mainJframe.getContentPane();
        showArea=new JTextArea();
        showArea.setEditable(false);
        showArea.setLineWrap(true);
        JSPane=new JScrollPane(showArea);
        msgText=new JTextField();
       // msgText.setSize(100,200);
        msgText.setColumns(30);
        msgText.addActionListener(this);
        sentBtn=new JButton("发送");
        sentBtn.addActionListener(this);
        pane= new JPanel();
        pane.setLayout(new FlowLayout());
        pane.add(msgText);
        pane.add(sentBtn);
        con.add(JSPane,BorderLayout.CENTER);
        con.add(pane,BorderLayout.SOUTH);
        mainJframe.setSize(500,400);
        mainJframe.setVisible(true);
        mainJframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        try{
            connectToServer=new Socket("localhost",5500);

            //读取来自客户端的内容
            inFromServer=new DataInputStream(connectToServer.getInputStream());
            //向客户端发送内容
            outToServer=new DataOutputStream(connectToServer.getOutputStream());
            //启动线程在后台接受来自客户端的消息
            showArea.append("连接成功,说点什么吧...\n");
            thread=new Thread(this);
            thread.setPriority(Thread.MIN_PRIORITY);
            thread.start();
        }catch(IOException e){
            showArea.append("对不起，没有连接到服务器");
            msgText.setEditable(false);
            sentBtn.setEnabled(false);
        }
    }
    public static void main(String[]  args){
        new chatClient();
    }
    public void actionPerformed(ActionEvent e){
        String s=msgText.getText();
           SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date curdate=new Date();
        String str3=formatter.format(curdate);
       //  showArea.setBackground(Color.green);
        if(s.length()>0)
        {
            try{
                outToServer.writeUTF(s);
                outToServer.flush();
                showArea.append(str3+"我说："+msgText.getText()+"\n");
                showArea.setForeground(Color.blue);
                msgText.setText(null);
            }catch(IOException el){
                showArea.append("你的消息："+msgText.getText()+"不能发出去\n");
            }
        }
    }

    public void run(){
        try{
             SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
             Date curdate=new Date();
             String str3=formatter.format(curdate);
            while(true){
                showArea.append(str3+"对方说："+ inFromServer.readUTF()+"\n");
                 showArea.setForeground(Color.red);
                Thread.sleep(1000);
            }
        }catch(IOException el){}catch(InterruptedException e){}

        }
    }