java网络画板(联网画图板)

package Test; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import javax.swing.LayoutStyle.ComponentPlacement; import javax.swing.GroupLayout.Alignment; import javax.swing.event.ChangeListener; import javax.swing.event.ChangeEvent; import java.awt.event.ItemListener; import java.awt.event.ItemEvent; import java.io.IOException; import java.net.InetAddress; import java.net.UnknownHostException; public class Main extends JFrame { public static DrawPlace place = new DrawPlace(); public static boolean IsConnect = false; //是否连接 public static boolean TypeFlag; //服务器还是客户端 public static boolean Dash = false; //虚线 public static boolean Full = false; //填充 public static String AllData = ""; //所有信息 public static String Data; //消息 public static String ServerIP; //服务器IP public static float PenType = 1.0f; //画笔粗细 public static int DrawType = 0; //画图类型 public static Color color = null; //颜色 public static InetAddress myip = null; //本机IP private JTextField MyIP; public static JTextField GoalIP; public static JTextField State; //连接状态 public static JTextArea Message; //消息接收框 public static JTextField MyMessage; //消息发送框 public Main() throws UnknownHostException { color = new Color(0,0,0); place.setFocusable(true); place.requestFocus(); place.getViewport().setBackground(Color.WHITE); JComboBox comboBox = new JComboBox(); comboBox.addItem("自由"); comboBox.addItem("直线"); comboBox.addItem("长方形"); comboBox.addItem("圆形"); JSpinner spinner = new JSpinner(); spinner.setModel(new SpinnerNumberModel(new Float(1), new Float(1), new Float(99), new Float(1))); JCheckBox dash = new JCheckBox("虚线"); JButton Black = new JButton(""); Black.setBackground(Color.BLACK); JButton Red = new JButton(""); Red.setBackground(Color.RED); JButton Blue = new JButton(""); Blue.setBackground(Color.BLUE); JButton Green = new JButton(""); Green.setBackground(Color.GREEN); JButton Yellow = new JButton(""); Yellow.setBackground(Color.YELLOW); JButton White = new JButton(""); White.setBackground(Color.WHITE); MyIP = new JTextField(); MyIP.setColumns(10); MyIP.setEditable(false); myip = InetAddress.getLocalHost(); MyIP.setText(myip.getHostName() + ":" + myip.getHostAddress()); GoalIP = new JTextField(); GoalIP.setColumns(10); GoalIP.setText(""); State = new JTextField(); State.setText("未连接"); State.setColumns(5); State.setEditable(false); JButton Send = new JButton("发送"); JButton JoinIn = new JButton("加入连接"); JButton BuildConnect = new JButton("建立连接"); MyMessage = new JTextField(); MyMessage.setColumns(10); JScrollPane scrollPane = new JScrollPane(); final JButton NowColor = new JButton(""); NowColor.setBackground(Color.BLACK); JLabel label = new JLabel("当前颜色"); JCheckBox FullType = new JCheckBox("填充图形"); JLabel lblip = new JLabel("本机IP"); JLabel lblip_1 = new JLabel("输入服务器IP"); //========================================================= GroupLayout groupLayout = new GroupLayout(getContentPane()); groupLayout.setHorizontalGroup( groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addContainerGap() .addGroup(groupLayout.createParallelGroup(Alignment.LEADING, false) .addComponent(spinner, GroupLayout.PREFERRED_SIZE, 69, GroupLayout.PREFERRED_SIZE) .addComponent(dash) .addGroup(groupLayout.createSequentialGroup() .addComponent(Blue, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(White, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)) .addGroup(groupLayout.createSequentialGroup() .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(Black, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(Red, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(Green, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(Yellow, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE))) .addGroup(groupLayout.createSequentialGroup() .addComponent(NowColor, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(label)) .addComponent(comboBox, GroupLayout.PREFERRED_SIZE, 67, GroupLayout.PREFERRED_SIZE) .addComponent(FullType, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(28) .addComponent(place, GroupLayout.PREFERRED_SIZE, 282, GroupLayout.PREFERRED_SIZE) .addGap(39) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addGap(9) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING, false) .addComponent(lblip) .addComponent(lblip_1, GroupLayout.PREFERRED_SIZE, 88, GroupLayout.PREFERRED_SIZE) .addComponent(MyIP, GroupLayout.DEFAULT_SIZE, 139, Short.MAX_VALUE) .addComponent(GoalIP))) .addGroup(groupLayout.createParallelGroup(Alignment.TRAILING) .addGroup(groupLayout.createSequentialGroup() .addComponent(BuildConnect) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(JoinIn) .addGap(12)) .addGroup(groupLayout.createSequentialGroup() .addComponent(State, GroupLayout.PREFERRED_SIZE, 124, GroupLayout.PREFERRED_SIZE) .addGap(44))) .addGroup(groupLayout.createSequentialGroup() .addComponent(MyMessage, GroupLayout.PREFERRED_SIZE, 110, GroupLayout.PREFERRED_SIZE) .addGap(6) .addComponent(Send)) .addComponent(scrollPane, GroupLayout.PREFERRED_SIZE, 170, GroupLayout.PREFERRED_SIZE)) .addGap(17)) ); groupLayout.setVerticalGroup( groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addContainerGap() .addComponent(lblip) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(MyIP, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(lblip_1) .addGap(1) .addComponent(GoalIP, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(BuildConnect, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE) .addComponent(JoinIn, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(State, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(scrollPane, GroupLayout.DEFAULT_SIZE, 94, Short.MAX_VALUE) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(MyMessage, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(Send, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)) .addGap(20)) .addGroup(groupLayout.createSequentialGroup() .addGap(20) .addComponent(comboBox, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, Group