《计算机网络通信》课程设计报告

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}

public void sendToAll(String msg) {

int count=userInfoList.getCount(); int i=0; while(i

Node node=userInfoList.find(i); if(node==null) { } try { }

catch(Exception e) { } i++;

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node.output.writeObject(\聊天信息\node.output.flush();

node.output.writeObject(msg); node.output.flush(); i++; continue;

}

}

catch(Exception e) { }

}

break;

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} {

String userlist=\

int count=userInfoList.getCount(); int i =0; while(i

while(i

Node node =userInfoList.find(i); if(node==null) { } try {

node.output.writeObject(\用户列表\node.output.flush();

node.output.writeObject(userlist);

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i++; continue;

Node node=userInfoList.find(i); if (node==null) { }

userlist+=node.username; userlist+='\\n'; i++;

i++; continue;

public void sendUserList()

}

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} } }

//客户端主框架类 import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.border.*;

import java.io.*; import java.net.*;

public class ClientFrame extends JFrame { private JComboBox combobox; private JTextArea textarea; private JTextField textfield; private JCheckBox checkbox; private JComboBox actionlist; private JButton login; private JButton logout; private Border border; private JTextField seperater; private JScrollPane js;

private JButton b1; }

catch(Exception e) { } i++;

node.output.flush();

Socket socket;

ObjectOutputStream output; ObjectInputStream input;

ClientReceiveThread recvThread;

－ 28 －

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public ClientFrame() {

super(\客户端\

Border bevelBorder=BorderFactory.createBevelBorder(BevelBorder.RAISED,

Color.white,Color.white,Color.white,Color.white);

Border emptyBorder=BorderFactory.createEmptyBorder(1,1,1,1); border=BorderFactory.createCompoundBorder(bevelBorder,emptyBorder);

login=new JButton(\上线\logout=new JButton(\下线\b1=new JButton(\发送\logout.setEnabled(false); combobox=new JComboBox(); combobox.addItem(\所有人\combobox.setSelectedIndex(0);

textarea=new JTextArea(20,20); textarea.setEditable(false); js=new JScrollPane(textarea);

textfield=new JTextField(\请先输入你的昵称，再上线\

seperater= new JTextField(\seperater.setEditable(false);

checkbox=new JCheckBox(\悄悄话\checkbox.setSelected(false); actionlist=new JComboBox(); actionlist.addItem(\微笑地\actionlist.addItem(\生气地\actionlist.addItem(\小心地\actionlist.setSelectedIndex(0);

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