• • 實驗圖片和前期準備：
  • ubuntu作為服務端，windows客戶端傳輸數據和文件：
  • windows作為服務端，ubuntu作為客戶端：

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實驗圖片和前期準備：

服務端發送和接受i：

客戶端接收服務端的時間：

設備：
自己的筆記本電腦和jetsonnano一臺+顯示屏
同一個wifi 查看ubuntu和windows的ip地址

注意：windows和ubuntu關閉防火墻！

ubuntu作為服務端，windows客戶端傳輸數據和文件：

服務端用python（jetsonnano)
客戶端用java寫:(自己筆記本）
服務端接收到文件并輸出：

代碼

from socket import * import time from time import ctime host='192.168.31.177' port=8189 bufsiz=1024 addr=(host,port) tcpServer=socket(AF_INET,SOCK_STREAM) tcpServer.bind(addr) tcpServer.listen(5)while True:print('wait for connection..')tcpCliServer,addr= tcpServer.accept()print('..connect from',addr)while True:data = tcpCliServer.recv(bufsiz).decode() #decode() 方法以 encoding 指定的編碼格式解碼字符串。默認編碼為字符串編碼。print(data) ##str.decode(encoding='UTF-8',errors='strict') errors -- 設置不同錯誤的處理方案。if data == "yes":print("yee!")if not data:break#tcpCliServer.send('[%s]%s' % (bytes(ctime(),'utf-8'),str.encode(data)))tcpCliServer.send(bytes(ctime(), 'utf-8'))tcpCliServer.send(bytes("nice", 'utf-8'))#time.sleep(2)tcpCliServer.send(bytes("nn",'utf-8'));tcpCliServer.close()tcpServer.close()

客戶端接收到的：

public static void main(String[]args) throws IOException { /* UdpClient udpClient = new UdpClient();try {udpClient.go();}catch (Exception e){System.out.println(e);}*/ int i = 0;Socket socket = new Socket("192.168.31.177",8189);OutputStream outputStream = socket.getOutputStream(); // OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream); // outputStreamWriter.write(String.valueOf("我是中國人".getBytes(StandardCharsets.UTF_8)));File file = new File("D:\\Inventory.txt");DataOutputStream dataInputStream= new DataOutputStream(outputStream);FileInputStream fileInputStream = new FileInputStream(file);byte[]bytes = new byte[1024];try{dataInputStream.writeUTF(file.getName());dataInputStream.flush();System.out.println("傳輸文件");int len=0;while ((len = fileInputStream.read(bytes,0,bytes.length)) != -1){dataInputStream.write(bytes,0,bytes.length);dataInputStream.flush();}}catch (Exception e){System.out.println(e);}InputStream inputStream = socket.getInputStream();InputStreamReader inputStreamReader = new InputStreamReader(inputStream);outputStream.write("我是中國人yaoo".getBytes(StandardCharsets.UTF_8));char[] charArr = new char[1000];int readLen = -1;if((readLen = (inputStreamReader.read(charArr))) != -1) {while (i < 5) {i++;outputStream.write(("我是"+i).getBytes(StandardCharsets.UTF_8));String newString = new String(charArr, 0, readLen);System.out.println(newString);}dataInputStream.close();fileInputStream.close();outputStream.close();inputStream.close();socket.close();}}

windows作為服務端，ubuntu作為客戶端：

自己筆記本作為服務端：

public class BeginThread extends Thread{private Socket socket;public BeginThread(Socket socket){super();this.socket = socket;}@Overridepublic void run(){try{InputStream inputStream = socket.getInputStream();InputStreamReader inputStreamReader = new InputStreamReader(inputStream);char[] charArr = new char[1000];int readLen = -1;while((readLen = (inputStreamReader.read(charArr))) != -1){String newString = new String(charArr,0,readLen);if(newString.matches("yes!"))System.out.println("成功收到來自客戶端的數據");System.out.println(newString);}inputStreamReader.close();inputStream.close();//關閉兩個流socket.close();//關閉socket}catch (IOException e){e.printStackTrace();}}}public class Server{public static void main(String[] args) throws IOException {ServerSocket socket = new ServerSocket(8888);int runTag = 1;while (runTag == 1){Socket socket1 = socket.accept();BeginThread beginThread = new BeginThread(socket1);beginThread.start();}socket.close(); }

服務端接收到數據：

客戶端：

import socket # 導入 socket 模塊s = socket.socket() # 創建 socket 對象 host = "192.168.31.131" # windows的ip port = 8888 # 設置端口號s.connect((host, port)) s.send('yes!'.encode('utf-8')) #發送 TCP 數據，將 string 中的數據發送到連接的套接字。返回值是要發送的字節數量，該數量可能小于 string 的字節大小。s.close()

總結

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