輸入輸出操作

可以這樣理解：

BufferedReader/BufferedWriter使用三部曲：

服務(wù)器操作

import java.io.*; import java.net.ServerSocket; import java.net.Socket;public class Server {private static int port = 8002;//設(shè)置端口號public static void main(String[] args)throws IOException {ServerSocket serverSocket = new ServerSocket(port);//第一步設(shè)置服務(wù)器端口號System.out.println("等待連接....");Socket socket = serverSocket.accept();//第二步等待客戶端發(fā)送連接請求System.out.println("客戶端已連接成功");//第三步創(chuàng)建和客戶端的的輸入輸出對象BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));bufferedWriter.write("寫入要傳輸給客戶端的內(nèi)容");bufferedWriter.flush();//注意刷新后客戶端才能收到//關(guān)閉bufferedReader.close();bufferedWriter.close();socket.close();} }

客戶端操作

import java.io.*; import java.net.Socket; public class Client {static Socket socket;static String serverHost = "10.200.142.214";//服務(wù)器端的ip地址static int serverPort = 8002;//服務(wù)器端的端口號public static void main(String[] args)throws IOException {socket = new Socket(serverHost,serverPort);//請求連接，連接的目的服務(wù)器的ip和端口號要作為參數(shù)BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));String r = bufferedReader.readLine();//讀取一行服務(wù)器端寫入的文本，注意文本要以換行符或者回車結(jié)尾//關(guān)閉bufferedReader.close();bufferedWriter.close();socket.close();} }

總結(jié)

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