java局域网聊天全部源码.docx
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java局域网聊天全部源码
packagecom.socket.tcp.basechat;
importjava.awt.BorderLayout;
importjava.awt.EventQueue;
importjava.awt.FlowLayout;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjavax.swing.JButton;
importjavax.swing.JDialog;
importjavax.swing.JLabel;
importjavax.swing.JOptionPane;
importjavax.swing.JPanel;
importjavax.swing.JTextField;
importjavax.swing.border.EmptyBorder;
/**
*登陆窗口。
*@authorluckystar
*
*/
publicclassLoginChatextendsJDialog{
privatefinalJPanelcontentPanel=newJPanel（）;
privateJTextFielduserNameField;
/**
*Launchtheapplication.b
*/
publicstaticvoidmain（String[]args）{
try{
LoginChatdialog=newLoginChat（）;
dialog.setDefaultCloseOperation（JDialog.DISPOSE_ON_CLOSE）;
dialog.setVisible（true）;
}catch（Exceptione）{
e.printStackTrace（）;
}
}
/**
*Createthedialog.
*/
publicLoginChat（）{
setLocationByPlatform（true）;
setBounds（100,100,450,114）;
getContentPane（）.setLayout（newBorderLayout（））;
contentPanel.setBorder（newEmptyBorder（5,5,5,5））;
getContentPane（）.add（contentPanel,BorderLayout.CENTER）;
contentPanel.setLayout（null）;
{
JLabellabel=newJLabel（"\u7528\u6237\u540D\uFF1A"）;
label.setBounds（10,10,54,15）;
contentPanel.add（label）;
}
userNameField=newJTextField（）;
userNameField.setBounds（75,7,349,21）;
contentPanel.add（userNameField）;
userNameField.setColumns（10）;
{
JPanelbuttonPane=newJPanel（）;
buttonPane.setLayout（newFlowLayout（FlowLayout.RIGHT））;
getContentPane（）.add（buttonPane,BorderLayout.SOUTH）;
{
JButtonokButton=newJButton（"OK"）;
okButton.addActionListener（newActionListener（）{
publicvoidactionPerformed（ActionEventactionevent）{
Stringtxt=userNameField.getText（）;
if（txt==null||"".equals（txt））{
JOptionPane.showMessageDialog（LoginChat.this,"请输入用户名","提示",JOptionPane.WARNING_MESSAGE）;
userNameField.requestFocus（）;
return;
}
EventQueue.invokeLater（newRunnable（）{
publicvoidrun（）{
try{
Mainframe=newMain（userNameField
.getText（））;
frame.setVisible（true）;
}catch（Exceptione）{
e.printStackTrace（）;
}
}
}）;
LoginChat.this.dispose（）;
}
}）;
okButton.setActionCommand（"OK"）;
buttonPane.add（okButton）;
getRootPane（）.setDefaultButton（okButton）;
}
{
JButtoncancelButton=newJButton（"Cancel"）;
cancelButton.addActionListener（newActionListener（）{
publicvoidactionPerformed（ActionEventactionevent）{
LoginChat.this.dispose（）;
}
}）;
cancelButton.setActionCommand（"Cancel"）;
buttonPane.add（cancelButton）;
}
}
}
}
packagecom.socket.tcp.basechat;
importjava.awt.BorderLayout;
importjava.awt.Color;
importjava.awt.FlowLayout;
importjava.awt.Font;
importjava.awt.GraphicsEnvironment;
importjava.awt.Image;
importjava.awt.MenuItem;
importjava.awt.Panel;
importjava.awt.PopupMenu;
importjava.awt.datatransfer.DataFlavor;
importjava.awt.datatransfer.Transferable;
importjava.awt.datatransfer.UnsupportedFlavorException;
importjava.awt.dnd.DnDConstants;
importjava.awt.dnd.DropTarget;
importjava.awt.dnd.DropTargetDragEvent;
importjava.awt.dnd.DropTargetDropEvent;
importjava.awt.dnd.DropTargetEvent;
importjava.awt.dnd.DropTargetListener;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjava.awt.event.ItemEvent;
importjava.awt.event.ItemListener;
importjava.awt.event.MouseAdapter;
importjava.awt.event.MouseEvent;
importjava.awt.event.WindowAdapter;
importjava.awt.event.WindowEvent;
importjava.io.BufferedInputStream;
importjava.io.DataInputStream;
importjava.io.DataOutputStream;
importjava.io.File;
importjava.io.FileInputStream;
importjava.io.IOException;
importjava.io.ObjectInputStream;
importjava.io.ObjectOutputStream;
importjava.io.RandomAccessFile;
import.InetAddress;
import.ServerSocket;
import.Socket;
import.UnknownHostException;
importjava.util.ArrayList;
importjava.util.List;
importjavax.imageio.ImageIO;
importjavax.swing.DefaultComboBoxModel;
importjavax.swing.ImageIcon;
importjavax.swing.JButton;
importjavax.swing.JCheckBox;
importjavax.swing.JColorChooser;
importjavax.swing.JComboBox;
importjavax.swing.JDialog;
importjavax.swing.JFileChooser;
importjavax.swing.JFrame;
importjavax.swing.JLabel;
importjavax.swing.JList;
importjavax.swing.JOptionPane;
importjavax.swing.JPanel;
importjavax.swing.JScrollPane;
importjavax.swing.JTable;
importjavax.swing.JTextArea;
importjavax.swing.JTextPane;
importjavax.swing.ListSelectionModel;
importjavax.swing.border.EmptyBorder;
importjavax.swing.event.ChangeEvent;
importjavax.swing.event.ChangeListener;
importjavax.swing.filechooser.FileFilter;
importjavax.swing.table.TableModel;
importjavax.swing.text.AttributeSet;
importjavax.swing.text.BadLocationException;
importjavax.swing.text.Document;
importjavax.swing.text.SimpleAttributeSet;
importjavax.swing.text.StyleConstants;
/**
*实现群、私聊、发送文字、图片、文件。
*文件支持单次同时发送7个，多线程接收。
*@authorluckystar
*
*/
publicclassMainextendsJFrame{
privateJPanelcontentPane;
privateJTextPanesendPane=null;
privateJTextPanerecvPane=null;
privateJListonlineList=null;
privateJButtonsendFileBtn=null,recvFileBtn=null;
//发送和接收的进度条
//privateJProgressBarsendProgressBar=null,recvProgressBar=null;
//要发送的文件
privateListsendFiles=newArrayList（）;
//要接收的文件
privateListrecvFiles=newArrayList（）;
//文件发送进度
privateintfileLen=0;
//chatuseTCPprotocol
privateSockets=null;
privateObjectOutputStreamoos=null;
privateDocumentdoc=null;
privateDocumentslDoc=null;
privateStringuser=null;
//是否勾选私聊
privatebooleanisSL=false;
//与哪个私聊
privateStringslUser=null;
//私聊面板
privateJTextPanesltextPane=null;
privateFontf=null;//字体对话框返回的字体。
//发送和接受消息面板的样式
privateSimpleAttributeSetmsgAttrSet=newSimpleAttributeSet（）;
//显示发送人和时间的样式
privateSimpleAttributeSettipAttrSet=null;
privateJTabletable;
publicFontgetF（）{
returnf;
}
publicvoidsetF（Fontf）{
this.f=f;
}
/**
*Launchtheapplication.
*/
/*
*publicstaticvoidmain（String[]args）{EventQueue.invokeLater（new
*Runnable（）{publicvoidrun（）{try{Mainframe=newMain（）;
*frame.setVisible（true）;}catch（Exceptione）{e.printStackTrace（）;}}
*}）;}
*/
//connecttoserver
publicvoidconnect（）{
try{
s=newSocket（InetAddress.getLocalHost（）,8888）;
oos=newObjectOutputStream（s.getOutputStream（））;
}catch（UnknownHostExceptione）{
//TODOAuto-generatedcatchblock
e.printStackTrace（）;
}catch（IOExceptione）{
//TODOAuto-generatedcatchblock
e.printStackTrace（）;
}
}
//sendmsgtoserver
publicvoidsendMsg（MsgInfomi）{
try{
oos.writeObject（mi）;
oos.flush（）;
}catch（IOExceptione）{
System.out.println（"sendmsgfailed."）;
e.printStackTrace（）;
}
}
//disconnecttoserverwhenexit.
publicvoiddisconnect（）{
try{
if（oos!
=null）
oos.close（）;
if（s!
=null）
s.close（）;
}catch（IOExceptione）{
System.out.println（"exitchat."）;
e.printStackTrace（）;
}
}
publicvoidinsertString（Stringstr,AttributeSetattributeset）{
try{
doc.insertString（doc.getLength（）,str,attributeset）;
}catch（BadLocationExceptione）{
//TODOAuto-generatedcatchblock
e.printStackTrace（）;
}
}
publicvoidinsertImg（Imageimg）{
recvPane.insertIcon（newImageIcon（img））;
}
/**
*Createtheframe.
*/
publicMain（Stringuser）{
this.user=user;
setTitle（"User"+user）;
FontAttrfa=newFontAttr（newFont（"楷体",Font.PLAIN,12）,Color.BLUE,
Color.WHITE）;
tipAttrSet=fa.getAttributeSet（）;
setF（newFont（"楷体",Font.PLAIN,12））;
setDefaultCloseOperation（JFrame.EXIT_ON_CLOSE）;
setBounds（100,100,773,651）;
setLocationRelativeTo（null）;
contentPane=newJPanel（）;
contentPane.setBorder（newEmptyBorder（5,5,5,5））;
setContentPane（contentPane）;
contentPane.setLayout（null）;
JScrollPanejscrollPane1=newJScrollPane（）;
jscrollPane1.setBounds（0,28,432,199）;
contentPane.add（jscrollPane1）;
recvPane=newJTextPane（）;
jscrollPane1.setViewportView（recvPane）;
recvPane.setEditable（false）;
doc=recvPane.getStyledDocument（）;
JButtonimgBtn=newJButton（"\u56FE\u7247"）;
imgBtn.addActionListener（newActionListener（）{
publicvoidactionPerformed（ActionEventarg0）{
//选择图片
JFileChooserjfc=newJFileChooser（）;
jfc.setDialogTitle（"选择一张图片"）;
jfc.setFileFilter（newFileFilter（）{
privateStringaccepts[]={"jpg","jpeg","gif","png",
"bmp"};
@Override
publicStringgetDescription（）{
//TODOAuto-generatedmethodstub
returnnull;
}
@Override
publicbooleanaccept（Filearg0）{
booleanb=false;
for（Strings:
accepts）{
if（arg0.getName（）.endsWith（s））{
b=true;
break;
}
}
returnb;
}
}）;
intr=jfc.showOpenDialog（Main.this）;
if（r==JFileChooser.APPROVE_OPTION）{//确定
Filef=jfc.getSelectedFile（）;
Listimgs=newArrayList（）;
imgs.add（f）;
MsgInfomi=newMsgInfo（）;
mi.setSender（Main.this.user）;
mi.setImgs（imgs）;
if（isSL）{//私聊
mi.setUser（slUser）;
//将图片添加到私聊窗口
try{
try{
slDoc.insertString（
slDoc.getLength（）,
Main.this.user+
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