chatRoom_12.zip

package cn.cdutetc.chatRoom_12.client; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.io.IOException; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Date; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.table.DefaultTableModel; public class ChatClientFrame extends JFrame { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); // 窗口宽度 final int WIDTH = 700; // 窗口高度 final int HEIGHT = 700; String sendWhom; // 创建发送按钮 JButton btnSend = new JButton("发送"); // 创建清除按钮 JButton btnClear = new JButton("清屏"); // 创建退出按钮 JButton btnExit = new JButton("退出"); // 创建文本输入框, 参数分别为行数和列数 JTextArea jtaSay = new JTextArea(); // 创建聊天消息框 JTextArea jtaChat = new JTextArea(); // 创建聊天消息框的滚动窗 JScrollPane jspChat = new JScrollPane(jtaChat); // 当前在线列表的列标题 String[] colTitles = { "网名", "IP", "端口" }; // 当前在线列表的数据 String[][] rowData = null; // 创建当前在线列表 JTable jtbOnline = new JTable(new DefaultTableModel(rowData, colTitles) { // 表格不可编辑，只可显示 @Override public boolean isCellEditable(int row, int column) { return false; } }); // 创建当前在线列表的滚动窗 JScrollPane jspOnline = new JScrollPane(jtbOnline); // 创建消息接收者标签 JLabel lblReceiver = new JLabel("对谁说？"); // 创建设置网名标签 JLabel wmReceiver = new JLabel("请输入网名:"); //创建网名输入框 JTextField wmTextField = new JTextField(30); // 创建设置名称 JButton btnSetName = new JButton("设置网名"); StringBuilder sb=new StringBuilder(); /** * 构造方法，设置窗口 */ public ChatClientFrame() { // 标题 setTitle("聊天室"); // 大小 setSize(WIDTH, HEIGHT); // 不可缩放 setResizable(false); // 设置布局:不适用默认布局，完全自定义 setLayout(null); // 设置按钮大小和位置 btnSend.setBounds(20, 600, 100, 60); btnClear.setBounds(140, 600, 100, 60); btnExit.setBounds(260, 600, 100, 60); // 设置按钮文本的字体 btnSend.setFont(new Font("宋体", Font.BOLD, 18)); btnClear.setFont(new Font("宋体", Font.BOLD, 18)); btnExit.setFont(new Font("宋体", Font.BOLD, 18)); // 添加按钮 this.add(btnSend); this.add(btnClear); this.add(btnExit); // 设置文本输入框大小和位置 jtaSay.setBounds(20, 460, 360, 120); // 设置文本输入框字体 jtaSay.setFont(new Font("楷体", Font.BOLD, 16)); jtaSay.setLineWrap(true); // 添加文本输入框 this.add(jtaSay); // 聊天消息框自动换行 jtaChat.setLineWrap(true); // 聊天框不可编辑，只用来显示 jtaChat.setEditable(false); // 设置聊天框字体 jtaChat.setFont(new Font("楷体", Font.BOLD, 16)); // 设置滚动窗的水平滚动条属性:不出现 jspChat.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); // 设置滚动窗的垂直滚动条属性:需要时自动出现 jspChat.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); // 设置滚动窗大小和位置 jspChat.setBounds(20, 20, 360, 400); // 添加聊天窗口的滚动窗 this.add(jspChat); // 设置滚动窗的水平滚动条属性:不出现 jspOnline.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); // 设置滚动窗的垂直滚动条属性:需要时自动出现 jspOnline.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); // 设置当前在线列表滚动窗大小和位置 jspOnline.setBounds(420, 20, 250, 400); // 添加当前在线列表 this.add(jspOnline); // 设置标签大小和位置 lblReceiver.setBounds(20, 420, 300, 30); this.add(lblReceiver); wmReceiver.setBounds(420, 420, 250, 30); this.add(wmReceiver); wmTextField.setBounds(420, 460, 250, 30); wmTextField.setFont(new Font("楷体", Font.BOLD, 16)); this.add(wmTextField); // 设置按钮大小和位置 btnSetName.setBounds(420, 490, 160, 30); // 设置按钮文本的字体 btnSetName.setFont(new Font("宋体", Font.BOLD, 16)); this.add(btnSetName); btnExit.addActionListener((e)->{ try { OutputStream out=Client.s.getOutputStream(); out.write("Exit/".getBytes()); System.exit(0); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } }); btnSetName.addActionListener((e)->{ OutputStream out; try { out = Client.s.getOutputStream(); String name=wmTextField.getText(); //ChangeName/jack out.write(("ChangeName/"+name).getBytes()); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } }); btnClear.addActionListener((e)->{ jtaChat.setText(""); }); jtbOnline.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { // TODO Auto-generated method stub DefaultTableModel model=(DefaultTableModel) jtbOnline.getModel(); int[] selectedRows=jtbOnline.getSelectedRows(); for(int i=0;i<selectedRows.length;i++) { sb.append((String)model.getValueAt(selectedRows[i], 0)); sb.append("-"); sb.append((String)model.getValueAt(selectedRows[i], 1)); sb.append(":"); sb.append((String)model.getValueAt(selectedRows[i],2)); sb.append(","); } String send=sb.toString(); sendWhom=send.substring(0,send.lastIndexOf(",")); lblReceiver.setText("对谁说:"+sendWhom); } }); btnSend.addActionListener((e)->{ StringBuilder sb1=new StringBuilder(); if(sb.toString()=="") { JOptionPane.showMessageDialog(null,"聊天对象不能为空"); }else { sb1.append("Chat/"); sb1.append(sendWhom); sb1.append("/"); sb1.append(jtaSay.getText()); } try { OutputStream out=Client.s.getOutputStream(); out.write(sb1.toString().getBytes()); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); }finally { jtaSay.setText(""); } }); } }