java Tcp通訊客戶端與伺服器端例項
阿新 • • 發佈:2020-01-20
本文例項講述了java Tcp通訊客戶端與伺服器端。分享給大家供大家參考,具體如下:
由伺服器端傳送資料
伺服器端:
import java.io.*; import java.net.*; public class TestSocket { public static void main(String[] args) { try { ServerSocket ss = new ServerSocket(8888); while(true) { Socket s = ss.accept(); OutputStream os = s.getOutputStream(); DataOutputStream dos = new DataOutputStream(os); dos.writeUTF("hello" + s.getInetAddress() + "port" + s.getPort() + "beybye"); dos.close(); // os.flush(); os.close(); // s.close(); } } catch (IOException e) { e.printStackTrace(); System.out.println("there is a wrong"); } } }
使用者端:
import java.io.*; import java.net.*; public class TestClient { public static void main(String[] args){ try { Socket s = new Socket("127.0.0.1",8888); DataInputStream dis = new DataInputStream(s.getInputStream()); System.out.println(dis.readUTF()); s.close(); dis.close(); } catch (Exception e) { e.printStackTrace(); } } }
無論是客戶端還是伺服器端都可以收發資料。
互動型
使用者端
import java.io.*; import java.net.*; public class TestClient2 { public static void main(String[] args){ try { Socket s = new Socket("127.0.0.1",8886); DataOutputStream dos = new DataOutputStream(s.getOutputStream()); DataInputStream dis = new DataInputStream(s.getInputStream()); System.out.println(dis.readUTF()); dos.writeUTF("hey"); String str = null; if((str = dis.readUTF()) != null) { System.out.println(str); } s.close(); dis.close(); dos.close(); } catch (Exception e) { e.printStackTrace(); } } }
伺服器端:
public class TestServer2 { public static void main(String[] args) { InputStream in = null; OutputStream out = null; try { ServerSocket ss = new ServerSocket(8886); while(true) { Socket s = ss.accept(); in = s.getInputStream(); out = s.getOutputStream(); DataOutputStream dos = new DataOutputStream(s.getOutputStream()); DataInputStream dis = new DataInputStream(s.getInputStream()); String str = null; if((str = dis.readUTF() )!= null) { System.out.println(str); System.out.println("form " + s.getInetAddress()); System.out.println("port " + s.getPort()); // dos.writeUTF("hello" + s.getInetAddress() + "port" + s.getPort() + "beybye"); } dos.writeUTF("hi hello"); dis.close(); dos.close(); s.close(); } } catch (IOException e) { e.printStackTrace(); System.out.println("there is a wrong"); } } }
更多關於java相關內容感興趣的讀者可檢視本站專題:《Java Socket程式設計技巧總結》、《Java檔案與目錄操作技巧彙總》、《Java資料結構與演算法教程》、《Java操作DOM節點技巧總結》和《Java快取操作技巧彙總》
希望本文所述對大家java程式設計有所幫助。