客戶端代碼：
1、客戶端運行程序：
package wtb.khd;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.net.Socket;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JProgressBar;
public class KHD{
private boolean isnoClose = true;
public boolean isIsnoClose() {
return isnoClose;
}
public void setIsnoClose(boolean isnoClose) {
this.isnoClose = isnoClose;
}
public static void main(String args[]){
final KHD khd = new KHD();
String filePath = "D:\\文件.zip";
khd.setIsnoClose(true);
File upload = new File(filePath);
long fileLength = upload.length();
String fileName = upload.getName();
try {
Socket client = null;
client = new Socket("localhost",8888); //"localhost"—>服務器端IP
OutputStream out = client.getOutputStream();
DataOutputStream dos = new DataOutputStream(out);
dos.writeUTF("文件名前綴_"+fileName);
dos.writeLong(fileLength);
FileInputStream fis = new FileInputStream(upload);
byte[] buffer = new byte[2048];
int len = 0;
double scbl = 0; //文件上傳比例
int scdx = 0; //文件上傳大小
final JinDuBar jdb = new JinDuBar("文件上傳",System.getProperty("user.dir")+"\\bin\\image\\jindutiao.gif");
String[] uploadInfo = new String[]{"正在上傳文件：" + filePath, "文件名稱："+ fileName,
"上傳文件大小："+fileLength+"字節", "已上傳：0字節", "上傳比例：0%"};
JLabel[] labels = jdb.getLabels();
for(int lxb = 0; lxb<labels.length; lxb++){
labels[lxb].setText(uploadInfo[lxb]);
}
JProgressBar p = jdb.getProgress();
JButton closeBtn = jdb.getCloseBtn();
closeBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
jdb.dispose();
khd.setIsnoClose(false);
}
});
while ((len = fis.read(buffer)) > 0 && khd.isnoClose) {
Thread.sleep(100);
scdx += len;
scbl = (double)scdx/fileLength;
int bl = (int)(scbl*100);
dos.write(buffer, 0, len);
p.setValue(bl);
p.setString(bl+"%");
String[] gxsc = new String[]{"已上傳："+scdx+"字節", "上傳比例："+bl+"%"};
for(int lxb = 0; lxb<gxsc.length; lxb++){
labels[lxb+3].setText(gxsc[lxb]);
}
}
jdb.dispose();
out.close();
fis.close();
client.close();
} catch (Exception e1) {
e1.printStackTrace();
}
}
}
/****************************/
2、進度條
package wtb.util;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JWindow;
@SuppressWarnings("serial")
public class JinDuBar extends JWindow{
private JProgressBar progress;
private JButton btn;
private JLabel[] labels = new JLabel[5];
private JButton closeBtn;
public JProgressBar getProgress() {
return progress;
}
public void setProgress(JProgressBar progress) {
this.progress = progress;
}
public JButton getBtn() {
return btn;
}
public void setBtn(JButton btn) {
this.btn = btn;
}
public JLabel[] getLabels() {
return labels;
}
public void setLabels(JLabel[] labels) {
this.labels = labels;
}
public JButton getCloseBtn() {
return closeBtn;
}
public void setCloseBtn(JButton closeBtn) {
this.closeBtn = closeBtn;
}
public JinDuBar(String title,String bgImg){
setAlwaysOnTop(true);
setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
JPanel splash = new JPanel(new BorderLayout());
JPanel top = new JPanel();
top.setBackground(new Color(255,153,204));
BorderLayout toplay = new BorderLayout();
top.setLayout(toplay);
JLabel tt = new JLabel(title);
ImageIcon cloImg = new ImageIcon(System.getProperty("user.dir") + "/bin/image/4.png");
closeBtn = new JButton("close ",cloImg);
closeBtn.setBackground(new Color(255,153,204));
top.add(tt, BorderLayout.CENTER);
top.add(closeBtn, BorderLayout.EAST);
top.add(new JLabel(" "), BorderLayout.WEST);
splash.add(top,BorderLayout.NORTH);
ImageIcon img = new ImageIcon(bgImg);
btn = new JButton(img);
getLayeredPane().add(btn, new Integer(Integer.MIN_VALUE));
btn.setBounds(0,0,img.getIconWidth(),img.getIconHeight());
GridLayout gl = new GridLayout(this.getLabels().length,1); //labels.length行1列
btn.setLayout(gl);
for(int i = 0; i<labels.length; i++){
this.getLabels()[i] = new JLabel("000"+i);
btn.add(labels[i]);
}
splash.add(btn, BorderLayout.CENTER);
progress = new JProgressBar(1, 100);
progress.setStringPainted(true);
progress.setBorderPainted(false);
progress.setString("0%");
progress.setBackground(Color.WHITE);
splash.add(progress, BorderLayout.SOUTH);
setContentPane(splash);
Dimension screen = getToolkit().getScreenSize();
setSize(img.getIconWidth(), img.getIconHeight()+60);
setLocation((screen.width – getSize().width)/2, (screen.height – getSize().height)/2);
new DragJWindow(this, splash); //設置窗口可拖動www.aiwalls.com
setVisible(true);
}
}
/********************************/
3、設置Window窗口可拖動
package wtb.util;
import javax.swing.SwingUtilities;
import java.awt.Component;
import java.awt.Point;
import java.awt.Window;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
public class DragJWindow {
private Window fWindow;
private Component fComponent;
private int dX;
private int dY;
public DragJWindow(Window window, Component component) {
fWindow = window;
fComponent = component;
fComponent.addMouseListener(createMouseListener());
fComponent.addMouseMotionListener(createMouseMotionListener());
}
private MouseListener createMouseListener() {
return new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
Point clickPoint = new Point(e.getPoint());
SwingUtilities.convertPointToScreen(clickPoint, fComponent);
dX = clickPoint.x – fWindow.getX();
dY = clickPoint.y – fWindow.getY();
}
};
}
private MouseMotionAdapter createMouseMotionListener() {
return new MouseMotionAdapter() {
@Override
public void mouseDragged(MouseEvent e) {
Point dragPoint = new Point(e.getPoint());
SwingUtilities.convertPointToScreen(dragPoint, fComponent);
fWindow.setLocation(dragPoint.x – dX, dragPoint.y – dY);
}
};
}
}
/******************************************/
/******************************************/
服務器端：
1、服務器端運行程序
package wtb.fwq;
import java.net.ServerSocket;
import java.net.Socket;
import wtb.fwq.UploadThread;
public class UploadServer {
public final static String fileDir = "E:\\wtb";
public static void main(String args[]) throws Exception {
ServerSocket server = null ;
Socket client = null ;
server = new ServerSocket(8888);
while(true){
client = server.accept();
//為每個用戶設置一個線程
UploadThread uft = new UploadThread(client, fileDir);
new Thread(uft).start();
}
}
}
/*************************************/
2、為每個用戶設置一個線程的線程類
package wtb.fwq;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.Socket;
public class UploadThread implements Runnable {
private Socket client;
private String fileDir;
private String fileName;
public UploadThread(Socket client, String fileDir){
this.client = client;
this.fileDir = fileDir;
}
public void run(){
InputStream in = null ;
FileOutputStream fos = null;
try {
in = client.getInputStream();
DataInputStream dis = new DataInputStream(in);
fileName = dis.readUTF();
long fileLength = dis.readLong();
long xzdx = 0;
fos = new FileOutputStream(fileDir+File.separator+fileName);
byte[] buffer = new byte[1024];
int len = 0;
while ((len = dis.read(buffer)) > 0)
{
fos.write(buffer, 0, len);
xzdx += len;
}
fos.flush();
fos.close();
in.close();
client.close() ;
if(xzdx != fileLength){ //如果文件未傳完，則刪除傳到服務器端的文件
File f = new File(fileDir+File.separator+fileName);
f.delete();
}
}catch(Exception e){
System.out.println("異常！！！！");
}
}
}
/************************/
運行結果視圖：
摘自 天天笑一下