Java Socket实战之三:传输对象
2024-09-06 06:17:18
转自:https://i.cnblogs.com/EditPosts.aspx?opt=1
前面两篇文章介绍了怎样建立Java Socket通信,这一篇说一下怎样使用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。
最新文章
- 8-04流程控制语句BEGIN ..END
- php 删除一段字符串的中的中文
- 小例子 熟悉jquery
- 重编译Linux命令源代码
- php json与xml序列化/反序列化
- ngRoute AngularJs自带的路由
- Asp.net Mvc模块化开发之分区扩展框架
- awk过滤数据
- 介绍开源的.net通信框架NetworkComms框架 源码分析(十五 ) CommsThreadPool自定义线程池
- H2 database的使用
- POJ C程序设计进阶 编程题#2:字符串中次数第2多的字母
- 了解AngularJS $resource
- 学习C++ Primer 的个人理解(二)
- Qt creator自定义编译运行步骤
- 在VS工程中,添加c/c++工程中外部头文件及库
- Tomcat配置全攻略
- 小程序 公众号/h5相互跳转-webview
- python----数据驱动ddt的使用
- hash加密
- python函数名称