简单的java socket通讯

最新推荐文章于 2019-03-27 22:03:04 发布

Ronbi

最新推荐文章于 2019-03-27 22:03:04 发布

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CC 4.0 BY-SA版权

文章标签： socket java exception null string import

本文链接：https://blog.youkuaiyun.com/Ronbi/article/details/2215846

本文提供了一组Java Socket编程的示例代码，包括服务器端和客户端程序，演示了如何通过Socket进行基本的文本消息交互。

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导读：
　　/**
　　class:SocketTest_SvrClit
　　author:chengyun
　　date:
　　with:to test socket---server program;
　　**/
　　import java.net.*;
　　import java.io.*;
　　public class SocketTest_Server
　　{
　　public static void main(String[] args) throws UnknownHostException,IOException,ConnectException
　　{
　　ServerSocket aServerSocket=new ServerSocket(3434);
　　Socket aServer=null;
　　try
　　{
　　aServer=aServerSocket.accept();
　　try
　　{
　　BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
　　BufferedReader in=new BufferedReader(new InputStreamReader(aServer.getInputStream()));
　　PrintWriter out=new PrintWriter(new OutputStreamWriter(aServer.getOutputStream()));
　　
　　String serverstring=null;
　　String clientstring=null;
　　System.out.println("hello! enter the bye to exit.");
　　System.out.print("Server:wait client");
　　serverstring=input.readLine();
　　boolean done=false;
　　while(!done)
　　{
　　if(serverstring !=null)
　　{
　　out.println(serverstring);
　　out.flush();
　　}
　　clientstring=in.readLine();
　　if(clientstring !=null)
　　System.out.println("client:"+clientstring);
　　System.out.print("server:");
　　serverstring=input.readLine();
　　if(serverstring.equals("bye")) done=true;
　　}
　　}
　　catch(Exception e)
　　{
　　System.out.println(e.getMessage());
　　}
　　finally
　　{
　　aServer.close();
　　}
　　
　　}
　　catch(Exception e)
　　{
　　System.out.println(e.getMessage());
　　}
　　finally
　　{
　　aServerSocket.close();
　　}
　　}
　　}
　　/**
　　class:SocketTest_SvrClit
　　author:chengyun
　　date:
　　with:to test socket---client program;
　　**/
　　import java.net.*;
　　import java.io.*;
　　public class SocketTest_SvrClit
　　{
　　public static void main(String[] args) throws UnknownHostException,IOException,ConnectException
　　{
　　Socket aClient=null;
　　aClient=new Socket("192.168.0.8",3434); //InetAddress.getLocalHost()
　　try
　　{
　　BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
　　BufferedReader in=new BufferedReader(new InputStreamReader(aClient.getInputStream()));
　　PrintWriter out=new PrintWriter(new OutputStreamWriter(aClient.getOutputStream()));
　　
　　String clientString=null;
　　String serverString=null;
　　System.out.println("hello!enter bye to exit.");
　　boolean done=false;
　　while(!done)
　　{
　　serverString=in.readLine();
　　if(serverString !=null)
　　System.out.println("Server:"+serverString);
　　System.out.print("client:");
　　clientString=input.readLine();
　　if(clientString.equals("bye")) done=true;
　　if(clientString !=null)
　　{
　　out.println(clientString);
　　out.flush();
　　}
　　}
　　in.close();
　　out.close();
　　}
　　catch(Exception e)
　　{
　　System.out.println(e.getMessage());
　　}
　　finally
　　{
　　aClient.close();
　　}
　　}
　　}
　　/** class:SocketTest_SvrClit author:chengyun date: with:to test socket---server program;**/ import java.net.*; import java.io.*; public class SocketTest_Server{ public static void main(String[] args) throws UnknownHostException,IOException,ConnectException { ServerSocket aServerSocket=new ServerSocket(3434); Socket aServer=null; try { aServer=aServerSocket.accept(); try { BufferedReader input=new BufferedReader(new InputStreamReader(System.in)); BufferedReader in=new BufferedReader(new InputStreamReader(aServer.getInputStream())); PrintWriter out=new PrintWriter(new OutputStreamWriter(aServer.getOutputStream())); String serverstring=null; String clientstring=null; System.out.println("hello! enter the bye to exit."); System.out.print("Server:wait client"); serverstring=input.readLine(); boolean done=false; while(!done) { if(serverstring !=null) { out.println(serverstring); out.flush(); } clientstring=in.readLine(); if(clientstring !=null) System.out.println("client:"+clientstring); System.out.print("server:"); serverstring=input.readLine(); if(serverstring.equals("bye")) done=true; } } catch(Exception e) { System.out.println(e.getMessage()); } finally { aServer.close(); } } catch(Exception e) { System.out.println(e.getMessage()); } finally { aServerSocket.close(); } }}/** class:SocketTest_SvrClit author:chengyun date: with:to test socket---client program;**/ import java.net.*; import java.io.*; public class SocketTest_SvrClit{ public static void main(String[] args) throws UnknownHostException,IOException,ConnectException { Socket aClient=null; aClient=new Socket("192.168.0.8",3434); //InetAddress.getLocalHost() try { BufferedReader input=new BufferedReader(new InputStreamReader(System.in)); BufferedReader in=new BufferedReader(new InputStreamReader(aClient.getInputStream())); PrintWriter out=new PrintWriter(new OutputStreamWriter(aClient.getOutputStream())); String clientString=null; String serverString=null; System.out.println("hello!enter bye to exit."); boolean done=false; while(!done) { serverString=in.readLine(); if(serverString !=null) System.out.println("Server:"+serverString); System.out.print("client:"); clientString=input.readLine(); if(clientString.equals("bye")) done=true; if(clientString !=null) { out.println(clientString); out.flush(); } } in.close(); out.close(); } catch(Exception e) { System.out.println(e.getMessage()); } finally { aClient.close(); } } }

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