Java Socket实现的传输对象功能示例

本文实例讲述了java socket实现的传输对象功能。分享给大家供大家参考，具体如下：

前面两篇文章介绍了怎样建立java socket通信，这里说一下怎样使用java socket来传输对象。

首先需要一个普通的对象类，由于需要序列化这个对象以便在网络上传输，所以实现java.io.serializable接口就是必不可少的了，如下：

package com.googlecode.garbagecan.test.socket.sample3;
public class user implements java.io.serializable {
  private static final long serialversionuid = 1l;
  private string name;
  private string password;
  public user() {
  }
  public user(string name, string password) {
    this.name = name;
    this.password = password;
  }
  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;
  }
}

对于server端的代码，代码中分别使用了objectinputstream和objectoutputstream来接收和发送socket中的inputstream和outputstream，然后转换成java对象，如下：

package com.googlecode.garbagecan.test.socket.sample3;
import java.io.*;
import java.net.serversocket;
import java.net.socket;
import java.util.logging.level;
import java.util.logging.logger;
public class myserver {
  private final static logger logger = logger.getlogger(myserver.class.getname());
  public static void main(string[] args) throws ioexception {
    serversocket server = new serversocket(10000);
    while (true) {
      socket socket = server.accept();
      invoke(socket);
    }
  }
  private static void invoke(final socket socket) throws ioexception {
    new thread(new runnable() {
      public void run() {
        objectinputstream is = null;
        objectoutputstream os = null;
        try {
          is = new objectinputstream(new bufferedinputstream(socket.getinputstream()));
          os = new objectoutputstream(socket.getoutputstream());
          object obj = is.readobject();
          user user = (user)obj;
          system.out.println("user: " + user.getname() + "/" + user.getpassword());
          user.setname(user.getname() + "_new");
          user.setpassword(user.getpassword() + "_new");
          os.writeobject(user);
          os.flush();
        } catch (ioexception ex) {
          logger.log(level.severe, null, ex);
        } catch(classnotfoundexception ex) {
          logger.log(level.severe, null, ex);
        } finally {
          try {
            is.close();
          } catch(exception ex) {}
          try {
            os.close();
          } catch(exception ex) {}
          try {
            socket.close();
          } catch(exception ex) {}
        }
      }
    }).start();
  }
}

client也和server端类似，同样使用objectoutputstream和objectinputstream来处理，如下：

package com.googlecode.garbagecan.test.socket.sample3;
import java.io.bufferedinputstream;
import java.io.ioexception;
import java.io.objectinputstream;
import java.io.objectoutputstream;
import java.net.socket;
import java.util.logging.level;
import java.util.logging.logger;
public class myclient {
  private final static logger logger = logger.getlogger(myclient.class.getname());
  public static void main(string[] args) throws exception {
    for (int i = 0; i < 100; i++) {
      socket socket = null;
      objectoutputstream os = null;
      objectinputstream is = null;
      try {
        socket = new socket("localhost", 10000);
        os = new objectoutputstream(socket.getoutputstream());
        user user = new user("user_" + i, "password_" + i);
        os.writeobject(user);
        os.flush();
        is = new objectinputstream(new bufferedinputstream(socket.getinputstream()));
        object obj = is.readobject();
        if (obj != null) {
          user = (user)obj;
          system.out.println("user: " + user.getname() + "/" + user.getpassword());
        }
      } catch(ioexception ex) {
        logger.log(level.severe, null, ex);
      } finally {
        try {
          is.close();
        } catch(exception ex) {}
        try {
          os.close();
        } catch(exception ex) {}
        try {
          socket.close();
        } catch(exception ex) {}
      }
    }
  }
}

最后测试上面的代码，首先运行server类，然后运行client类，就可以分别在server端和client端控制台看到接收到的user对象实例了。

更多关于java相关内容感兴趣的读者可查看本站专题：《java socket编程技巧总结》、《java文件与目录操作技巧汇总》、《java数据结构与算法教程》、《java操作dom节点技巧总结》和《java缓存操作技巧汇总》

希望本文所述对大家java程序设计有所帮助。