java编写的socket聊天程序(gui界面+登录)

package MyChatRoom;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import https://www.360docs.net/doc/635516147.html,.*;

import java.io.*;

//未解决：登录注册模块。聊天记录模块以及显示在线好友，有选择性的聊天模块public class MyChatRoom

{

public static void main(String Args [])

{

logFrame log=new logFrame();

}

}

//聊天模块

class MyFrame extends JFrame implements ActionListener

{

public MyFrame(int a,String ip)

{

//获取传来的参数

ipA=ip;

selectNum=a;

//基本设置

setTitle("Sun聊天小工具");

setSize(WIDTH,HEIGHT);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//创建3个面板，一个放文本框，一个放按钮,一个放图片

JPanel textpanel = new JPanel();

JPanel buttonPanel=new JPanel();

JPanel picPanel=new JPanel();

Container contentPane = getContentPane();

GridBagConstraints cc=new GridBagConstraints();

GridBagLayout ca=new GridBagLayout();

contentPane.setLayout(ca);

cc.fill=GridBagConstraints.BOTH;

//初始化一个容器

cc.gridwidth=1;

cc.gridheight=2;

contentPane.add(picPanel);

ca.setConstraints(picPanel,cc);

cc.weighty=0.0;

cc.gridwidth=GridBagConstraints.REMAINDER;

cc.gridheight=1;

cc.weighty=1.0;

contentPane.add(textpanel);

ca.setConstraints(textpanel,cc); contentPane.add(buttonPanel);

ca.setConstraints(buttonPanel,cc);

//网格式布局

GridBagConstraints c=new GridBagConstraints(); GridBagLayout gridbag=new GridBagLayout(); textpanel.setLayout(gridbag);

c.fill=GridBagConstraints.BOTH;

//初始化组件

//发送按钮

btSet=new JButton("发送");

buttonPanel.add(btSet);

btSet.addActionListener(this);

//取消按钮

btCancel=new JButton("取消"); buttonPanel.add(btCancel);

btCancel.addActionListener(this);

//清空按钮

btClear=new JButton("清屏");

buttonPanel.add(btClear);

btClear.addActionListener(this);

//显示消息框

c.weightx=1.0;

c.weighty=1.0;

c.gridwidth=GridBagConstraints.REMAINDER; getBox=new JTextArea(15,30);

getBox.setEditable(false);

myScro=new JScrollPane(getBox); textpanel.add(myScro);

gridbag.setConstraints(myScro,c);

//设置文本框显示数据往下翻页

getBox.setCaretPosition(getBox.getText().length());

//标签项

c.weightx=1.0;

c.gridwidth=GridBagConstraints.RELA TIVE;; label1=new JLabel("输入");

label4=new JLabel("聊天内容");

c.gridwidth=GridBagConstraints.REMAINDER; gridbag.setConstraints(label4,c);

textpanel.add(label1);

textpanel.add(label4);

//发送消息框

setBox=new JTextArea(7,30);

myScro2=new JScrollPane(setBox);

textpanel.add(myScro2);

gridbag.setConstraints(myScro2,c);

//菜单项

//主菜单

JMenuBar menuBar = new JMenuBar(); setJMenuBar(menuBar);

gyMenu =new JMenu("关于(G)");

bzMenu =new JMenu("帮助(H)");

editMenu =new JMenu("编辑(E)");

szMenu =new JMenu("设置(S)");

menuBar.add(editMenu);

menuBar.add(gyMenu);

menuBar.add(bzMenu);

menuBar.add(szMenu);

//子菜单

aa =new JMenuItem("版权");

zzxx =new JMenuItem("作者信息");

gyMenu.add(aa);

gyMenu.add(zzxx);

aa.addActionListener(this);

zzxx.addActionListener(this);

cop=new JMenuItem("复制");

cut =new JMenuItem("剪切");

pas =new JMenuItem("粘贴");

editMenu.add(cop);

editMenu.add(cut);

editMenu.add(pas);

cop.addActionListener(this);

cut.addActionListener(this);

pas.addActionListener(this);

syzn=new JMenuItem("使用指南");

bzMenu.add(syzn);

syzn.addActionListener(this);

pifu=new JMenuItem("字体颜色");

beijing=new JMenuItem("背景色");

szMenu.add(pifu);

szMenu.add(beijing);

pifu.addActionListener(this);

beijing.addActionListener(this);

//匿名内部类实现监听

setBox.addKeyListener(new KeyAdapter()

{

public void keyPressed(KeyEvent e)

{

//当按回车时发送所输入的信息

if(e.getKeyCode()==KeyEvent.VK_ENTER)

{

sendString=setBox.getText();

out.println(sendString);

getBox.setCaretPosition(getBox.getText().length());

getBox.append("I Said:"+sendString+"\r\n");

setBox.setText("");

}

//当按Ctrl+回车时换行

/* if(e.getModifiers()==KeyEvent.VK_CONTROL&&

e.getKeyCode()==KeyEvent.VK_ENTER)

{

setBox.append("\r\n");

}*/

}

});

imgLabel1=new JLabel(new ImageIcon("./MyChatRoom/bb.jpg"));

picPanel.add(imgLabel1);

imgLabel2=new JLabel(new ImageIcon("./MyChatRoom/aa.jpg"));

picPanel.add(imgLabel2);

picPanel.setLayout(new GridLayout(2,1));

//显示窗口

setVisible(true);

//选择作为客户端还是服务器端

switch(selectNum)

{

case 0:

serverRole();

break;

case 1:

clientRole();

break;

}

//启动线程处理输入流

thread=new MyThread(connectSocket,getBox);

thread.setPriority(Thread.MIN_PRIORITY);

thread.start();

//包装输出流

try

{

out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(connectSocket.getOutputStream())),true);

}

catch(IOException e)

{

e.printStackTrace();

}

}

final int WIDTH=550;

final int HEIGHT=600;

JLabel label1,label4,imgLabel1,imgLabel2;

JButton btSet,btCancel,btClear;

JTextArea setBox,getBox;

JMenu gyMenu,bzMenu,editMenu,szMenu;

JMenuItem aa,cop,cut,pas,zzxx,syzn,pifu,beijing;

JScrollPane myScro,myScro2;

String sendString;

MyThread thread=null;

ServerSocket serverSocket;

Socket connectSocket;

String ipA;

PrintWriter out;

int selectNum;

//作为服务器端的处理

public void serverRole()

{

try

{

serverSocket=new ServerSocket(5500);

getBox.append("正在等待对话请求\n");

connectSocket=serverSocket.accept();

getBox.setText("连接来自"+connectSocket.getInetAddress().toString()+"\n");

}

catch(Exception e)

{

getBox.append("对不起，由于某些原因，不能创建服务器\n");

btSet.setEnabled(false);

}

}

//作为客户端的处理

public void clientRole()

{

try

{

connectSocket=new Socket(ipA,5500);

}

catch(Exception e)

{

getBox.append("对不起，无法连接！\r\n请重新登录并输入正确的IP地址");

btSet.setEnabled(false);

}

}

//按钮监听

public void actionPerformed(ActionEvent e)

{

Object o=e.getSource();

//发送按钮处理

if(o==btSet)

{

sendString=setBox.getText();

out.println(sendString);

getBox.setCaretPosition(getBox.getText().length());

getBox.append("I Said:"+sendString+"\r\n");

setBox.setText("");

}

//取消按钮处理

if(o==btCancel)

{

setBox.setText("");

}

//清空按钮处理

if(o==btClear)

{

getBox.setText("");

}

//复制处理

if(o==cop)

{

getBox.copy();

}

//剪切处理

if(o==cut)

{

getBox.cut();

}

//粘贴处理

if(o==pas)

{

setBox.paste();

}

if(o==zzxx)

{

JOptionPane.showMessageDialog(this,"作者：沈光辉，学号：20095392");

}

if(o==aa)

{

JOptionPane.showMessageDialog(this,"版权所有，盗版必究！");

}

if(o==syzn)

{

JOptionPane.showMessageDialog(this,"请等待消息框显示连接信息后再进行通信");

}

//打开调色板设置背景色

if(o==pifu)

{

Color color=JColorChooser.showDialog(this, "调色板", this.getBackground());

if(color!=null)

getBox.setForeground(color);

setBox.setForeground(color);

}

if(o==beijing)

{

Color color=JColorChooser.showDialog(this, "调色板", this.getBackground());

if(color!=null)

getBox.setBackground(color);

setBox.setBackground(color);

}

}

}

//线程类1，用来处理输入流数据显示

class MyThread extends Thread

{

BufferedReader in=null;

String inStr=null;

JTextArea getBox;

//用构造方法传入socket和文本域以作相应的处理

public MyThread(Socket soc,JTextArea a)

{

getBox=a;

try

{

in =new BufferedReader(new InputStreamReader(soc.getInputStream()));

}

catch(IOException e)

{

e.printStackTrace();

}

}

//run方法

public void run()

{

try

{

while(true)

{

inStr=in.readLine();

getBox.setCaretPosition(getBox.getText().length());

getBox.append("He said:"+inStr+"\r\n");

Thread.sleep(1000);

}

}

catch(Exception e)

{

e.printStackTrace();

}

}

}

//登录验证模块

class logFrame extends JFrame implements ActionListener

{

//构造方法

public logFrame()

{

//主面板

setTitle("用户登录");

setSize(400,270);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container cotn=getContentPane();

//添加面板

JPanel panel1=new JPanel();

JPanel panel2=new JPanel();

JPanel panel3=new JPanel();

JPanel panel4=new JPanel();

JPanel panel5=new JPanel();

JPanel panel6=new JPanel();

cotn.add(panel6);

cotn.add(panel1);

cotn.add(panel2);

cotn.add(panel4);

cotn.add(panel3);

cotn.add(panel5);

//网格式布局

cotn.setLayout(new GridLayout(6,1));

//添加组件

user=new JLabel("用户名");

pass=new JLabel("密码");

ipLabel=new JLabel("I P 地址"); userName=new JTextField(20);

passWord=new JPasswordField(20);

ipAdd=new JTextField("localhost",20); ipAdd.setEditable(false);

panel1.add(user);

panel1.add(userName);

panel2.add(pass);

panel2.add(passWord);

panel3.add(ipLabel);

panel3.add(ipAdd);

headLabel=new JLabel("用户登录");

panel6.add(headLabel);

//选择作为服务器端还是客户端

serverR=new JRadioButton("服务器端",true); clientR=new JRadioButton("客户端",false); myGroup=new ButtonGroup();

myGroup.add(serverR);

myGroup.add(clientR);

panel4.add(serverR);

panel4.add(clientR);

serverR.addActionListener(this);

clientR.addActionListener(this);

//登录按钮

btOk=new JButton("登录");

btCanc=new JButton("退出");

panel5.add(btOk);

panel5.add(btCanc);

btOk.addActionListener(this);

btCanc.addActionListener(this);

//菜单项

JMenuBar mainMenu=new JMenuBar(); setJMenuBar(mainMenu);

bz=new JMenu("帮助");

gy=new JMenu("关于");

mainMenu.add(gy);

mainMenu.add(bz);

bb=new JMenuItem("版本");

gy.add(bb);

bb.addActionListener(this);

gySun=new JMenuItem("关于Sun");

gy.add(gySun);

gySun.addActionListener(this);

syxz=new JMenuItem("使用指南");

bz.add(syxz);

syxz.addActionListener(this);

//为组件添加键盘事件监听

userName.addKeyListener(new logListener());

passWord.addKeyListener(new logListener());

ipAdd.addKeyListener(new logListener());

//显示窗口。最后才显示，防止面板有些元素不能正常显示。

setVisible(true);

}

JMenu bz,gy;

JMenuItem bb,gySun,syxz;

JTextField userName,ipAdd;

JPasswordField passWord;

JLabel user,pass,ipLabel,headLabel;

ButtonGroup myGroup;

JRadioButton serverR,clientR;

JButton btOk,btCanc;

//num选择的角色

public int num;

String ipAddress;

//内部类实现监听

class logListener extends KeyAdapter

{

public void keyPressed(KeyEvent e)

{

if(e.getKeyCode()==KeyEvent.VK_ENTER)

{

logTest();

}

}

}

//登录验证方法

public void logTest()

{

String s1=userName.getText().trim();

String s2=passWord.getText().trim();

String s3=ipAdd.getText().trim();

if(s1.equals("20095392")&&s2.equals("20095392"))

{

headLabel.setText("正在连接...");

ipAddress=ipAdd.getText().trim();

//创建线程，启动聊天窗口

logThread ca=new logThread(num,ipAddress);

//启动

ca.start();

//释放登录窗口资源

logFrame.this.dispose();

}

else

{

JOptionPane.showMessageDialog(this,"用户名不存在或密码错误！");

passWord.setText("");

}

}

//按钮事件实现

public void actionPerformed(ActionEvent e)

{

Object o=e.getSource();

//选择的是服务器端

if(o==serverR)

{

num=0;

ipAdd.setEditable(false);

}

//选择的是客户端

if(o==clientR)

{

num=1;

ipAdd.setEditable(true);

ipAdd.setCaretPosition(ipAdd.getText().length());

ipAdd.requestFocus(true);

}

//登录验证

if(o==btOk)

{

logTest();

}

//取消登录，退出系统

if(o==btCanc)

{

System.exit(0);

}

if(o==syxz)

{

JOptionPane.showMessageDialog(this,"请先选择本客户端的角色（服务器端或客户端）\r\n若选择客户端请输入所要连接的服务器端IP地址");

}

if(o==bb)

{

JOptionPane.showMessageDialog(this,"V ersion-1.0");

}

if(o==gySun)

{

JOptionPane.showMessageDialog(this,"作者-沈光辉学号-20095392");

}

}

}

//线程类2，用来启动聊天窗口模块

class logThread extends Thread

{

int num=0;

String ipA;

//run方法

public logThread(int n,String ip)

{

num=n;

ipA=ip;

}

public void run()

{

try

{

{

MyFrame a=new MyFrame(num,ipA);

Thread.sleep(1000);

}

}

catch(Exception e)

{

e.printStackTrace();

}

} }