Java Socket实例(服务器多线程)

import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import java.io.OutputStream; import java.net.Socket; import java.net.UnknownHostException; public class SocketClient { Socket socket = null; public SocketClient(String serverIP, String serverPort) { try { this.socket = new Socket(serverIP, Integer.parseInt(serverPort)); } catch (NumberFormatException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (UnknownHostException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } public void run() { try { OutputStream netOut = socket.getOutputStream(); DataOutputStream doc = new DataOutputStream(netOut); DataInputStream in = new DataInputStream(socket.getInputStream()); System.out.println("ACK_From_Server>" + in.readUTF()); int c; String inputStr = ""; while (true) { inputStr=""; while ((c = System.in.read()) != -1) { if (c == '\n') { break; } inputStr = inputStr + (char) c; inputStr = inputStr.replace('\r', ' '); inputStr = inputStr.replace('\t', ' '); } doc.writeUTF(inputStr.trim()); System.out.println("ACK_From_Server>>" + in.readUTF()); if (inputStr.trim().equals("exit")) { System.out.println("##exit server successfully."); break; } } netOut.close(); doc.close(); in.close(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { if (socket != null) { try { socket.close(); } catch (IOException e) { } } } } }