Dart Socket 与Java Socket连接

快来打我* 2021-12-05 03:25 402阅读 0赞

\-------------------------------------------------------------  Dart    SocketClient--------------------------------------------------------------------------------

import 'dart:io';
    import 'dart:async';
    import 'dart:convert' show utf8;
    
    Socket socket;
    
    void main() {
      Socket.connect("10.10.10.180", 6666).then((Socket sock) {
        socket = sock;
        sock.write("这是客户端消息!");
          socket.listen(dataHandler,
              onError: errorHandler,
              onDone: doneHandler,
              cancelOnError: false);
        socket.close();
      }).catchError((AsyncError e) {
        print("无法连接: $e");
      });
    }
    
    //接收报文
    void dataHandler(data){
      print(utf8.decode(data));
    }
    
    void errorHandler(error, StackTrace trace){
      print(error);
    }
    
    void doneHandler(){
      socket.destroy();
    }

-------------------------------------------------Java SocketServer------------------------------------------------------------------------

import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.InputStreamReader;
    import java.io.OutputStream;
    import java.io.PrintWriter;
    import java.net.ServerSocket;
    import java.net.Socket;
    
    
    public class Server {
    
        /**
         * Socket服务端
         */
        public static void main(String[] args) {
    
            try {
                ServerSocket serverSocket=new ServerSocket(6666);
                System.out.println("服务端已启动，等待客户端连接..");
                while (true){
                    Socket socket=serverSocket.accept();//侦听并接受到此套接字的连接,返回一个Socket对象
                    new Habdler(socket).start();
                }
    
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    
        static class Habdler extends Thread{
            Socket socket = null;
            public Habdler(Socket socket){
                this.socket = socket;
            }
    
            @Override
            public void run() {
                //根据输入输出流和客户端连接
                InputStream inputStream= null;//得到一个输入流，接收客户端传递的信息
                BufferedReader bufferedReader= null;//加入缓冲区
                OutputStream outputStream= null;//获取一个输出流，向服务端发送信息
                PrintWriter printWriter= null;//将输出流包装成打印流
                try {
                    inputStream = socket.getInputStream();
                    InputStreamReader inputStreamReader=new InputStreamReader(inputStream);
                    bufferedReader = new BufferedReader(inputStreamReader);
                    String temp=null;
                    String info="";
                    while((temp=bufferedReader.readLine())!=null){
                        info+=temp;
                        System.out.println("服务端接收到客户端信息："+info+",当前客户端ip为："+socket.getInetAddress().getHostAddress());
                    }
    
                    outputStream = socket.getOutputStream();
                    printWriter = new PrintWriter(outputStream);
                    printWriter.print("服务器消息");
                    printWriter.flush();
                    socket.shutdownOutput();//关闭输出流
                    // 关闭相对应的资源
                    printWriter.close();
                    outputStream.close();
                    bufferedReader.close();
                    inputStream.close();
                    socket.close();
                } catch (IOException ex) {
                    ex.printStackTrace();
                }finally {
                    // 关闭相对应的资源
                    printWriter.close();
                    try {
                        outputStream.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    try {
                        bufferedReader.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    try {
                        inputStream.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    try {
                        socket.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
    
            }
        }
    }

转载于:https://www.cnblogs.com/Zhusi/p/11064454.html