client.java

房产管理系统

package socket;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;

public class client extends JFrame implements ActionListener, Runnable {
    JTextArea ta;
    JButton b1;
    JTextField tf;
    JTabbedPane tp;
    static String serverip;
    Socket cs;
    BufferedReader in;
    PrintWriter out;
    JLabel ln;
    OutputStreamWriter outp;
    public client() {
        super("Client");
        this.setSize(400, 300);
        this.setLocation(200, 300);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel pc = new JPanel();
        JPanel ps = new JPanel();
        JPanel pn = new JPanel();
        ln = new JLabel(serverip);
        pn.add(ln);
        b1 = new JButton("发送");
        b1.addActionListener(this);
        tf = new JTextField(18);
        ps.add(tf);
        ps.add(b1);
        ta = new JTextArea(30, 30);
        ta.setEnabled(false);
        tp = new JTabbedPane();
        tp.add("内容", new JScrollPane(ta));
        this.getContentPane().add(tp, "Center");
        this.getContentPane().add(ps, "South");
        this.getContentPane().add(pn, "North");
        this.setVisible(true);
        Thread thread = new Thread(this);
        thread.start();

    }

    public static void main(String[] args) {
        serverip = JOptionPane.showInputDialog(null, "请输入服务器IP");
        if (serverip == null) {} else {
            client csmode = new client();

        }

    }

    public void actionPerformed(ActionEvent e) {
        String s = tf.getText();
        out.println("client说：" + s);
        out.flush();
        tf.setText("");
    }

    public void run() {
        while (true) {
            try {
                cs = new Socket(serverip, 5550);
                in = new BufferedReader(new InputStreamReader(cs.getInputStream()));
                out = new PrintWriter(cs.getOutputStream(), true);

                String str = null;
                while ((str = in.readLine()) != null) {
                    if (str.substring(0, 9).equals("sendfile:")) {
                        int send = JOptionPane.showConfirmDialog(null,
                                "服务器传来文件");
                        if (send == 0) {
                            out.println("clientok:");
                            JFileChooser file = new JFileChooser(".");
                            int go = file.showSaveDialog(null);
                            String name = file.getSelectedFile() + "";
                            if (go == 0) {
                                outp = new OutputStreamWriter(new
                                        FileOutputStream(name));
                            }
                            out.flush();
                        } else {
                            out.println("clientshop");
                            out.flush();
                        }
                    }
                    if (str.substring(0, 9).equals("filebody:")) {
                        String filebody = str.substring(9, str.length());
                        
                        outp.write(filebody);
                        outp.close();
                    } else {
                        ta.setText(ta.getText() + str + "\n");
                    }
                }
            } catch (Exception ex1) {
            }
        }

    }
}