Java實(shí)現(xiàn)簡(jiǎn)單的socket通信教程
今天學(xué)習(xí)了一下java如何實(shí)現(xiàn)socket通信,感覺(jué)難點(diǎn)反而是在io上,因?yàn)閖ava對(duì)socket封裝已經(jīng)很完善了。
今天代碼花了整個(gè)晚上調(diào)試,主要原因是io的flush問(wèn)題和命令行下如何運(yùn)行具有package的類(lèi),不過(guò)最后問(wèn)題基本都解決了,把代碼貼出來(lái)供大家參考
server
public class TcpServer { public static void main(String[] args) throws Exception { ServerSocket server = new ServerSocket(9091); try { Socket client = server.accept(); try { BufferedReader input = new BufferedReader(new InputStreamReader(client.getInputStream())); boolean flag = true; int count = 1; while (flag) { System.out.println(客戶(hù)端要開(kāi)始發(fā)騷了,這是第 + count + 次!); count++; String line = input.readLine(); System.out.println(客戶(hù)端說(shuō): + line); if (line.equals(exit)) { flag = false; System.out.println(客戶(hù)端不想玩了!); } else { System.out.println(客戶(hù)端說(shuō): + line); } } } finally { client.close(); } } finally { server.close(); } }}
client
public class TcpClient { public static void main(String[] args) throws Exception { Socket client = new Socket(127.0.0.1, 9091); try { PrintWriter output = new PrintWriter(client.getOutputStream(), true); Scanner cin = new Scanner(System.in); String words; while (cin.hasNext()) { words = cin.nextLine(); output.println(words); System.out.println(寫(xiě)出了數(shù)據(jù): + words); } cin.close(); } finally { client.close(); } }}
補(bǔ)充知識(shí):Java-Socket通信 同時(shí)JSON傳遞與解析
服務(wù)端
import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.ServerSocket;import java.net.Socket;import java.util.Scanner;import net.sf.json.JSONObject;public class Server_2 { public static void main(String[] args) { Scanner in=new Scanner(System.in); InputStreamReader isr; BufferedReader br; OutputStreamWriter osw; BufferedWriter rw; try { ServerSocket serverSocket=new ServerSocket(4444); Socket socket=serverSocket.accept(); isr=new InputStreamReader(socket.getInputStream()); br=new BufferedReader(isr); String str=br.readLine(); JSONObject object=JSONObject.fromObject(str); System.out.println('ID:'+object.getInt('ID')); System.out.println('Name:'+object.getString('name')); System.out.println('password:'+object.getString('password')); br.close(); socket.close(); serverSocket.close(); } catch (IOException e) { e.printStackTrace(); } }}
客服端
import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.Socket;import java.util.Scanner;import net.sf.json.JSONObject;public class Client_2 { public static void main(String[] args) { Scanner in = new Scanner(System.in); InputStreamReader isr; BufferedReader br; OutputStreamWriter osw; BufferedWriter rw; try { Socket socket = new Socket('localhost', 4444); osw = new OutputStreamWriter(socket.getOutputStream()); rw = new BufferedWriter(osw); User user = new User(); System.out.println('Id:'); user.setID(in.nextInt()); in.nextLine(); System.out.println('Name:'); user.setName(in.nextLine()); System.out.println('Password:'); user.setPassword(in.nextLine()); JSONObject jsonObject = JSONObject.fromObject(user); rw.write(jsonObject.toString()+'n'); rw.close(); socket.close(); } catch (Exception e) { // TODO: handle exception } }}
User
public class User { int ID; String name; String password; public int getID() { return ID; } public void setID(int iD) { ID = iD; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; }}
以上這篇Java實(shí)現(xiàn)簡(jiǎn)單的socket通信教程就是小編分享給大家的全部?jī)?nèi)容了,希望能給大家一個(gè)參考,也希望大家多多支持好吧啦網(wǎng)。
相關(guān)文章:
1. python GUI庫(kù)圖形界面開(kāi)發(fā)之PyQt5動(dòng)態(tài)(可拖動(dòng)控件大小)布局控件QSplitter詳細(xì)使用方法與實(shí)例2. ASP將數(shù)字轉(zhuǎn)中文數(shù)字(大寫(xiě)金額)的函數(shù)3. XML 非法字符(轉(zhuǎn)義字符)4. ASP 處理JSON數(shù)據(jù)的實(shí)現(xiàn)代碼5. js開(kāi)發(fā)中的頁(yè)面、屏幕、瀏覽器的位置原理(高度寬度)說(shuō)明講解(附圖)6. CSS清除浮動(dòng)方法匯總7. 不要在HTML中濫用div8. vue跳轉(zhuǎn)頁(yè)面常用的幾種方法匯總9. CSS3實(shí)例分享之多重背景的實(shí)現(xiàn)(Multiple backgrounds)10. XML入門(mén)的常見(jiàn)問(wèn)題(三)
