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[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

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

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

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：

總結

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