first commit

ChatPanel.java

@@ -0,0 +1,186 @@
+package chatpanel;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+import java.awt.Toolkit;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Vector;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+import javax.swing.border.Border;
+import javax.swing.border.EtchedBorder;
+
+
+public class ChatPanel extends JFrame
+{
+	JButton send,connect,disconnect;
+	JList list;
+	JLabel userlabel,textlabel;
+	JTextField textfield;
+	JTextArea textarea;
+	JPanel uppanel,downpanel,userpanel,listtitle,texttitle,textpanel,sendpanel,serverpanel;
+	JScrollPane listpanel,areapanel;
+	
+	Border border = new EtchedBorder(Color.BLUE, Color.yellow); //各面板组件镶的边的类型。
+	
+	public ChatPanel() 
+	{
+		//创建用户列表标题
+		userlabel = new JLabel("用户列表",userlabel.CENTER);
+		listtitle = new JPanel();
+		listtitle.setBackground(Color.LIGHT_GRAY);
+		listtitle.add(userlabel);
+		
+		//创建用户列表
+		list = new JList();
+		//list.setBackground(Color.LIGHT_GRAY);
+		Vector<String> vUserName = new Vector<String>();//向量列表，< >向量列表里面对应的对象的类型
+    	for (int i = 1; i < 30; i++)
+		{
+			vUserName.add("用户"+i);
+		}
+    	list.setListData(vUserName); // 往这个列表对象中放入要显示的数据。
+    	list.setFixedCellWidth(80);  //设置默认宽度
+    	
+    	//将用户列表加入用户列表面板
+		listpanel = new JScrollPane(list);
+		
+		listpanel.setPreferredSize(new Dimension(120,0));
+		
+		
+		//将列表标题和用户列表加入用户列表界面
+		userpanel = new JPanel();
+		userpanel.setLayout(new BorderLayout());
+		userpanel.add(listtitle,BorderLayout.NORTH);
+		userpanel.add(listpanel,BorderLayout.CENTER);
+		userpanel.setBorder(border);
+		
+		//创建显示信息界面
+		textlabel = new JLabel("用户聊天界面");
+		texttitle = new JPanel();
+		texttitle.setBackground(Color.LIGHT_GRAY);
+		texttitle.add(textlabel);
+		
+		//聊天信息面板
+	    textarea = new JTextArea("来自用户1的消息：hello!");
+	    textarea.setEditable(false);
+	    textarea.setLineWrap(true);  //设置换行策略
+	    areapanel = new JScrollPane(textarea);
+		
+	    textpanel = new JPanel();
+	    textpanel.setLayout(new BorderLayout());
+	    textpanel.add(texttitle,BorderLayout.NORTH);
+	    textpanel.add(areapanel,BorderLayout.CENTER);
+	    textpanel.setBorder(border);
+		
+		
+		//将用户列表界面和显示信息窗口加入uppanel面板
+		uppanel = new JPanel();
+		uppanel.setLayout(new BorderLayout());
+		uppanel.add(userpanel,BorderLayout.WEST);
+		uppanel.add(textpanel,BorderLayout.CENTER);
+		//uppanel.setBorder(border);
+		
+		//创建发送信息面板sendpanel
+		send = new JButton("发送");
+		textfield = new JTextField("请输入信息......",30);
+		sendpanel = new JPanel();
+		sendpanel.setLayout(new BorderLayout(0,10));
+		sendpanel.add(textfield,BorderLayout.CENTER);
+		sendpanel.add(send,BorderLayout.EAST);
+		
+		
+		//创建服务器面板serverpanel
+		connect = new JButton("连接服务器");
+		disconnect = new JButton("断开服务器");
+		serverpanel = new JPanel();
+		serverpanel.setBackground(Color.LIGHT_GRAY);
+		serverpanel.setLayout(new FlowLayout(FlowLayout.CENTER,50,10));
+		serverpanel.add(connect);
+		serverpanel.add(disconnect);
+		
+		//将发送信息面板和服务器面板加入downpanel面板
+		downpanel = new JPanel();	
+		downpanel.setLayout(new GridLayout(2,1));
+		downpanel.add(sendpanel);
+		downpanel.add(serverpanel);
+		downpanel.setBorder(border);
+		
+		registerListener(); //注册监听器
+	}
+	
+	public static void main(String[] args) 
+	{
+		ChatPanel chatpanel = new ChatPanel();
+		chatpanel.lunchframe();
+	}
+
+	public void lunchframe() 
+	{
+		JFrame jframe = new JFrame("聊天室界面");
+		jframe.setSize(600, 600);
+		jframe.setResizable(false);
+		jframe.setLocation((Toolkit.getDefaultToolkit().getScreenSize().width-jframe.getWidth())/2,
+				(Toolkit.getDefaultToolkit().getScreenSize().height-jframe.getHeight())/2);
+		
+		jframe.setLayout(new BorderLayout());
+		jframe.add(uppanel,BorderLayout.CENTER);
+		jframe.add(downpanel,BorderLayout.SOUTH);
+		
+		jframe.setDefaultCloseOperation(EXIT_ON_CLOSE);
+		jframe.setVisible(true);
+		
+	}
+
+	public void registerListener()
+	{
+	    send.addActionListener(new Controller()) ; 
+	    connect.addActionListener(new Controller()) ;   
+	    disconnect.addActionListener(new Controller()) ;
+	    textfield.addActionListener(new Controller()) ;
+	}
+	
+	public class Controller implements ActionListener
+	{
+
+	    public void actionPerformed(ActionEvent e)
+	    {
+	    	if((e.getSource())instanceof JButton)
+	    	{
+	    		JButton button = (JButton)e.getSource();
+	    		if(button == send)
+	    		{
+	    			System.out.println("发送消息");
+	    		}
+	    		else if(button == connect)
+	    		{
+
+	    			System.out.println("连接服务器");
+	    		}
+    			else if(button == disconnect)
+    			{
+
+    				System.out.println("断开服务器");
+    			}
+    		}
+    		else 
+    		{
+			   //信息编辑框发出的事件处理	
+				System.out.println("未知事件处理");
+			}
+    			 
+    	}
+
+    }    
+}