java C/S socket 网络通讯模型

主要技术:网络通讯+多线程

服务器端程序

server.java

package server;import java.io.*;import java.net.*;import org.eclipse.swt.SWT;import org.eclipse.swt.events.SelectionAdapter;import org.eclipse.swt.events.SelectionEvent;import org.eclipse.swt.widgets.Button;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.Shell;import org.eclipse.swt.widgets.Text;import com.swtdesigner.SWTResourceManager;public class Server extends Thread{private Text text;private Button startButton;private Button stopButton;private ToClient clientConn = null;public void open(){final Display display = Display.getDefault();final Shell shell = new Shell();shell.setImage(SWTResourceManager.getImage(Server.class, "/org/eclipse/jface/dialogs/images/message_info.gif"));shell.setSize(287, 279);shell.setText("服務器");shell.open();startButton = new Button(shell, SWT.NONE);startButton.addSelectionListener(new SelectionAdapter() {public void widgetSelected(SelectionEvent e) {startButton.setEnabled(false);stopButton.setEnabled(true);text.setText("服務器已啟動 >>>");System.out.println("服務器已啟動...");clientConn = new ToClient();clientConn.start();}});startButton.setText("啟動");startButton.setBounds(65, 150, 50, 30);stopButton = new Button(shell, SWT.NONE);stopButton.addSelectionListener(new SelectionAdapter() {public void widgetSelected(SelectionEvent e) {stopButton.setEnabled(false);startButton.setEnabled(true);text.setText("服務器已停止!");System.out.println("服務器已停止...");if(clientConn!=null){ try { clientConn.getSocket().close(); clientConn.stop(); } catch (IOException e1) { e1.printStackTrace(); } clientConn = null;}}});stopButton.setText("停止");stopButton.setBounds(160, 150, 50, 30);text = new Text(shell, SWT.BORDER);text.setBounds(60, 75, 159, 24);shell.layout();while (!shell.isDisposed()) {if (!display.readAndDispatch())display.sleep();}}public static void main(String[] args) {Server serverMain = new Server();serverMain.open();}}

ToClient.java

package server;import java.io.IOException;import java.net.ServerSocket;import java.net.Socket;public class ToClient extends Thread{ServerSocket serverSocket; public ToClient() { try {serverSocket = new ServerSocket(8018,200);} catch (IOException e) {e.printStackTrace();}} public void run(){try {while(!Thread.interrupted()) // 線程未停止{if(serverSocket!=null&&(!serverSocket.isClosed())){Socket clientSocket = serverSocket.accept();SocketLogic transHandler = new SocketLogic(clientSocket);transHandler.start();}}} catch (IOException ex){if (serverSocket != null && (!serverSocket.isClosed())){try{serverSocket.close();ex.printStackTrace();} catch (IOException e1){e1.printStackTrace();}}}}public ServerSocket getSocket(){return serverSocket;}}

SocketLogic.java

package server;import java.net.*;import java.io.*;import org.eclipse.swt.program.Program;public class SocketLogic extends Thread{Socket clientSocket = null;private int bufferLength;boolean isConn = true;private byte[] inputBytes;private String clientOrder;private DataInputStream dataInputStream;private DataOutputStream dataOutputStream; public SocketLogic(Socket socket) {this.clientSocket = socket;} public void run(){try {dataInputStream = new DataInputStream(clientSocket.getInputStream());dataOutputStream = new DataOutputStream(clientSocket.getOutputStream());bufferLength = 65536;while (isConn) { inputBytes = null;inputBytes = new byte[bufferLength + 12];dataInputStream.readFully(inputBytes);{clientOrder = new String(inputBytes, 0, 7); System.out.println("client order is : " + clientOrder);if(clientOrder.equals("OPEWORD")){int filepathLength = Integer.parseInt(new String(inputBytes, 7, 5));String filepath = new String(inputBytes,12,filepathLength);System.out.println("filePath "+filepath);File file = new File(filepath);long time = System.currentTimeMillis();if(file.exists()){ Program.launch(filepath); dataOutputStream.write(client.ShareFun.makepackage("OWORDOK", "00001", new byte[1]));}else{dataOutputStream.write(client.ShareFun.makepackage("OWORDER", "00001", new byte[1]));}System.out.println("open file time is:"+(System.currentTimeMillis()-time));}else if(clientOrder.equals("OPENEXC")){int filepathLength = Integer.parseInt(new String(inputBytes, 7, 5));String filepath = new String(inputBytes,12,filepathLength);System.out.println("filePath "+filepath);File file = new File(filepath);long time = System.currentTimeMillis();if(file.exists()){ Program.launch(filepath); dataOutputStream.write(client.ShareFun.makepackage("OEXCEOK", "00001", new byte[1]));}else{dataOutputStream.write(client.ShareFun.makepackage("OEXCEER", "00001", new byte[1]));}System.out.println("open file time is:"+(System.currentTimeMillis()-time));}// 客戶端斷開連結else if (clientOrder.equals("DISCONN"))// 全部結束時關閉流{System.out.println("DISCONN : ");dataInputStream.close();dataOutputStream.close();this.clientSocket.close();isConn = false;System.out.println("close all : ");} }}} catch (Exception e) {e.printStackTrace();}}}

客戶端程序:

Client.java

package client;import java.net.SocketException;import org.eclipse.jface.dialogs.MessageDialog;import org.eclipse.swt.SWT;import org.eclipse.swt.events.SelectionAdapter;import org.eclipse.swt.events.SelectionEvent;import org.eclipse.swt.widgets.Button;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.MessageBox;import org.eclipse.swt.widgets.Shell;import com.sun.corba.se.impl.protocol.giopmsgheaders.Message;import com.swtdesigner.SWTResourceManager;public class Client { private Button openWordButton; private Button openExcleButton; /** * Launch the application * @param args */public static void main(String[] args) {try {Client window = new Client();window.open();} catch (Exception e) {e.printStackTrace();}}/** * Open the window */public void open() {final Display display = Display.getDefault();final Shell shell = new Shell();shell.setImage(SWTResourceManager.getImage(Client.class, "/com/sun/java/swing/plaf/windows/icons/Inform.gif"));shell.setSize(500, 375);shell.setText("客戶端");//shell.open();openWordButton = new Button(shell, SWT.NONE);openWordButton.addSelectionListener(new SelectionAdapter() {public void widgetSelected(SelectionEvent e) {ToServer serverConn = null;try{serverConn = new ToServer("10.148.53.188",8018);} catch (SocketException e1) {//e1.printStackTrace();MessageDialog md1 = new MessageDialog(shell,"提示", null, "網絡連接失敗,請確認!", MessageDialog.ERROR,new String[] { "確定" }, 0); md1.open(); return;}serverConn.start();String filepath = "c://workspace//johnny.txt";String isok = serverConn.openWordFile(filepath);serverConn.disConnect(); // 斷開連結if(isok.equals("ok")){MessageDialog md1 = new MessageDialog(shell,"成功", null, "打開word文件成功!", MessageDialog.OK,new String[] { "確定" }, 0); md1.open(); return;}else if(isok.equals("error")){MessageDialog md1 = new MessageDialog(shell,"失敗", null, "打開word文件失敗!", MessageDialog.ERROR,new String[] { "確定" }, 0);md1.open();return;}}});openWordButton.setText("打開word文件");openWordButton.setBounds(54, 75, 90, 29);openExcleButton = new Button(shell, SWT.NONE);openExcleButton.addSelectionListener(new SelectionAdapter() {public void widgetSelected(SelectionEvent e) {ToServer serverConn = null;try{serverConn = new ToServer("10.148.53.188",8018);} catch (SocketException e1) {//e1.printStackTrace();MessageDialog md1 = new MessageDialog(shell,"提示", null, "網絡連接失敗,請確認!", MessageDialog.ERROR,new String[] { "確定" }, 0); md1.open(); return;}serverConn.start();String filepath = "c://workspace//scylla.xls";String isok = serverConn.openExcelFile(filepath);serverConn.disConnect(); // 斷開連結if(isok.equals("ok")){MessageDialog md1 = new MessageDialog(shell,"成功", null, "打開excel文件成功!", MessageDialog.OK,new String[] { "確定" }, 0); md1.open(); return;}else if(isok.equals("error")){MessageDialog md1 = new MessageDialog(shell,"失敗", null, "打開excel文件失敗!", MessageDialog.ERROR,new String[] { "確定" }, 0);md1.open();return;}}});openExcleButton.setText("打開excle文件");openExcleButton.setBounds(54, 131, 90, 29);shell.layout();while (!shell.isDisposed()) {if (!display.readAndDispatch())display.sleep();}}}

ToServer.java

package client;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.EOFException;import java.io.IOException;import java.net.ConnectException;import java.net.Socket;import java.net.SocketException;import java.net.UnknownHostException;public class ToServer extends Thread {private String serverIP;private int serverPort;public boolean isDisconnected = false; // 連結是否存在public Socket clientSocket; // 套接口private DataInputStream dataInputStream;private DataOutputStream dataOutputStream;private int bufferlength; // 緩衝大小byte[] inputBytes;private String serverOrder;private String openWordOk = "";private String openExcelOk = "";/** * 構造 */public ToServer(String serverIP, int serverPort) throws SocketException {this.serverIP = serverIP;this.serverPort = serverPort;try {long time = System.currentTimeMillis();getSocketConn();System.out.println("getSocketConn time is:"+(System.currentTimeMillis()-time));} catch (SocketException e) {//e.printStackTrace();throw e;}}/** * 取服務器的連結 * * @throws SocketException */private void getSocketConn() throws SocketException {for (int i = 0; i < 10; i++) {if (getSocket()) {return;}}isDisconnected = true;SocketException sockete = new SocketException("網絡連結出錯");throw sockete;}/** * 連結服務器 * * @return */private boolean getSocket() {System.out.println("get connect");try {// Set up connectionclientSocket = new Socket(serverIP, serverPort);clientSocket.setKeepAlive(true);System.out.println("Connected with server: " + serverIP+ " Port is: " + serverPort);dataInputStream = new DataInputStream(clientSocket.getInputStream());dataOutputStream = new DataOutputStream(clientSocket.getOutputStream());}catch (ConnectException e) {return false;} catch (UnknownHostException e) {e.printStackTrace();return false;} catch (IOException e) {e.printStackTrace();return false;}return true;}/** * 啟動線程 Fuction run() of thread */public void run() {// mylog.info("Client get socket input&output stream!");bufferlength = 65536;// Init data packageinputBytes = new byte[bufferlength + 12];// Listen to socket, do with the order from serverdoBusiness();}/** * 與服務器的通信函數 */private void doBusiness() {try {while (!isDisconnected) {if (dataInputStream != null) {try {dataInputStream.readFully(inputBytes);} catch (EOFException e) {e.printStackTrace();}} else {return;}// Get server orderserverOrder = new String(inputBytes, 0, 7);System.out.println("serverOrder = " + serverOrder);if (serverOrder.equals("OWORDOK")) { this.openWordOk = "ok";}else if(serverOrder.equals("OWORDER")){this.openWordOk = "error";}else if(serverOrder.equals("OEXCEOK")){this.openExcelOk = "ok";}else if(serverOrder.equals("OEXCEER")){this.openExcelOk = "error";}}} catch (SocketException se) {System.out.println(" close the socket !");}catch (IOException e){e.printStackTrace();}}/** * 打開word文件 */public String openWordFile(String filepath){try {String filepathlength = ShareFun.formatLength(filepath.getBytes().length);;byte[] outBytes = ShareFun.makepackage("OPEWORD", filepathlength,filepath.getBytes());dataOutputStream.write(outBytes, 0, outBytes.length);System.out.println(" to server openwordfile ");} catch (IOException e) {e.printStackTrace();}boolean overTime = true;long time = System.currentTimeMillis();while (overTime){try{Thread.sleep(200);} catch (InterruptedException e){e.printStackTrace();}if (this.openWordOk.equalsIgnoreCase("ok")){return "ok";}if (this.openWordOk.equalsIgnoreCase("error")){return "error";}if ((System.currentTimeMillis() - time) > 60000 * 5)// 超時時間5分鐘{overTime = false;}}return "error";}/** * 打開excel文件 */public String openExcelFile(String filepath){try {String filepathlength = ShareFun.formatLength(filepath.getBytes().length);;byte[] outBytes = ShareFun.makepackage("OPENEXC", filepathlength,filepath.getBytes());dataOutputStream.write(outBytes, 0, outBytes.length);System.out.println(" to server openExcelFile ");} catch (IOException e) {e.printStackTrace();}boolean overTime = true;long time = System.currentTimeMillis();while (overTime){try{Thread.sleep(200);} catch (InterruptedException e){e.printStackTrace();}if (this.openExcelOk.equalsIgnoreCase("ok")){return "ok";}if (this.openExcelOk.equalsIgnoreCase("error")){return "error";}if ((System.currentTimeMillis() - time) > 60000 * 5)// 超時時間5分鐘{overTime = false;}}return "error";}/** * client disconnect from server 關閉連接 */public boolean disConnect(){try{System.out.println(" 斷開連結");byte[] outBytes = ShareFun.makepackage("DISCONN", "00001", new byte[1]);dataOutputStream.write(outBytes, 0, outBytes.length);dataInputStream.close();dataOutputStream.close();this.clientSocket.close();isDisconnected = true;} catch (IOException e){e.printStackTrace();return false;}return true;}}

ShareFun.java

package client;/** * Public fuction, use to make package and format length * * @version * @author */public class ShareFun{/** * 打包 * @param strOrder 命令字符 * @param strLength 傳送的文件的長度 * @param data 【】 傳送的數據 * @return */public static byte[] makepackage(String strOrder, String strLength, byte[] data){int orderLength = strOrder.length();int length = strLength.length();byte[] bytesOrder = strOrder.getBytes();byte[] bytesLength = strLength.getBytes();byte[] returnBytes = new byte[65548];for (int i = 0; i < orderLength; i++){returnBytes[i] = bytesOrder[i];}for (int i = orderLength; i < length + orderLength; i++){returnBytes[i] = bytesLength[i - orderLength];}for (int i = length + orderLength; i < data.length + length + orderLength; i++){returnBytes[i] = data[i - length - orderLength];}return returnBytes;} /** * 格式化長度值（轉換成String） * @param int length 數字式長度 * @return String */public static String formatLength(int length){int i = 0, j = 0, k = 0, l = 0, m = 0;String strdata = new String("");m = length % 10;l = (length % 100) / 10;k = (length % 1000) / 100;j = (length % 10000) / 1000;i = length / 10000;strdata += String.valueOf(i) + String.valueOf(j) + String.valueOf(k) + String.valueOf(l) + String.valueOf(m);return strdata;}}