你好我是辰兮，很高興你能來閱讀，本篇總結(jié)了Java Scoket類的相關(guān)知識，并且整理了實現(xiàn)雙向通信的相關(guān)代碼也有案例實現(xiàn)截圖，分享獲取新知，大家一起進步。

一、網(wǎng)絡通信

網(wǎng)絡通信，在網(wǎng)絡中程序（發(fā)送者）與程序（接受者）之間的數(shù)據(jù)交互。

通信要素①ip + 端口號 ②傳輸協(xié)議

java.net包: 包含了Java用于網(wǎng)絡通信所需的類。

ServerSocket類，用于表示網(wǎng)絡服務

創(chuàng)建網(wǎng)絡服務（創(chuàng)建ServerSocket對象）

//構(gòu)造器public ServerSocket(int port)//創(chuàng)建網(wǎng)絡服務ServerSocket server = new ServerSocket(9999);

接收網(wǎng)絡請求

//接收網(wǎng)絡請求的方法public Socket accept()//網(wǎng)絡服務接收請求（阻塞）Socket socket = server.accept();

Socket類，網(wǎng)絡套接字，表示網(wǎng)絡連接

發(fā)送網(wǎng)絡請求//構(gòu)造器public Socket(String ip, int port)//獲取網(wǎng)絡連接中的輸入流public InputStream getInputStream()//獲取網(wǎng)絡連接中的輸出流public OuputStream getOutputStream()

二、接受者（Receiver）

代碼實現(xiàn)如下:信息的接受者

public class Receiver { public static void main(String[] args) { try { ServerSocket server = new ServerSocket(8888); Socket socket = server.accept(); System.out.println('----程序已經(jīng)連接++++'); InputStream is = socket.getInputStream(); OutputStream os = socket.getOutputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); PrintWriter pw = new PrintWriter(os); Runnable r1 = new Runnable() {@Overridepublic void run() { while (true) { // 接受信息 String str; try { str = br.readLine(); System.out.println('sender的信息' + str); } catch (IOException e) { e.printStackTrace(); } }} }; Runnable r2 = new Runnable() {@Overridepublic void run() { // 返回信息 while (true) { Scanner scan = new Scanner(System.in); String msg = scan.nextLine(); pw.println(msg); pw.flush(); }} }; Thread t1 = new Thread(r1); Thread t2 = new Thread(r2); t1.start(); t2.start(); } catch (IOException e) { e.printStackTrace(); } }}

三、發(fā)送者(Sender)

代碼實現(xiàn)如下:信息的發(fā)送者

public class Sender { public static void main(String[] args) { try { Socket socket = new Socket('192.168.1.6', 8888); InputStream is = socket.getInputStream(); OutputStream os = socket.getOutputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); PrintWriter pw = new PrintWriter(os); Runnable r = new Runnable() {@Overridepublic void run() { while (true) { // 發(fā)送信息 try { Scanner scan = new Scanner(System.in); String msg = scan.nextLine(); pw.println(msg); pw.flush(); } catch (Exception e) { } }} }; Runnable r2 = new Runnable() {@Overridepublic void run() { // 接受發(fā)送的信息 while (true) { String str; try { str = br.readLine(); System.out.println('接受者receiver:' + str); } catch (IOException e) { e.printStackTrace(); } }} }; Thread t1 = new Thread(r); Thread t2 = new Thread(r2); t1.start(); t2.start(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }}

四、案例截圖

首先看到開啟Receiver，然后開啟Sender

開啟Sender后----看到Receiver控制臺顯示連接成功

Sender發(fā)送信息

Receiver接受到信息，然后回復

點開Sender控制臺，看到回復的信息然后繼續(xù)回復

雙向溝通交流實現(xiàn)

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