简单rmi示例

• User类

         注意:需要实现序列化

 package study.rmi.server;

 import java.io.Serializable;

 public class User implements Serializable {

     /**
      *
      */
     private static final long serialVersionUID = 1L;

     private String name;

     public String getName() {
         return name;
     }

     public void setName(String name) {
         this.name = name;
     }

 }

---

• 接口类

 package study.rmi.server;

 import java.rmi.Remote;
 import java.rmi.RemoteException;

 public interface HelloRemote extends Remote{

     String sayHello(User user) throws RemoteException;
 }

---

• 接口实现类

 package study.rmi.server;

 import java.rmi.RemoteException;
 import java.rmi.server.UnicastRemoteObject;

 public class HelloRemoteImpl extends UnicastRemoteObject implements HelloRemote {

     private static final long serialVersionUID = 1L;

     protected HelloRemoteImpl() throws RemoteException {
         super();
     }    

     @Override
     public String sayHello(User user) throws RemoteException {
         return "hello," + user.getName();
     }

 }

---

• rmi服务端类

 package study.rmi.server;

 import java.net.MalformedURLException;
 import java.rmi.Naming;
 import java.rmi.RemoteException;
 import java.rmi.registry.LocateRegistry;

 public class RemoteServer {

     public static void main(String[] args) {
         try {
             LocateRegistry.createRegistry(6666);
             HelloRemote server = new HelloRemoteImpl();
             Naming.rebind("//127.0.0.1:6666/HelloRemote", server);
             System.out.println("服务端启动");
         } catch (RemoteException e) {
             e.printStackTrace();
         } catch (MalformedURLException e) {
             e.printStackTrace();
         }
     }

 }

---

• 客户端类

 package study.rmi.client;

 import java.net.MalformedURLException;
 import java.rmi.Naming;
 import java.rmi.NotBoundException;
 import java.rmi.RemoteException;
 import study.rmi.server.HelloRemote;
 import study.rmi.server.User;

 public class RMIClient {

     public static void main(String[] args) {
         String url = "//127.0.0.1:6666/HelloRemote";
         try {
             HelloRemote helloRemote = (HelloRemote) Naming.lookup(url);
             User user = new User();
             user.setName("zs");
             System.out.println(helloRemote.sayHello(user));
         } catch (MalformedURLException e) {
             e.printStackTrace();
         } catch (RemoteException e) {
             e.printStackTrace();
         } catch (NotBoundException e) {
             e.printStackTrace();
         }

     }
 }

可以看看下面介绍java rmi的文章：

http://haolloyin.blog.51cto.com/1177454/332426/

http://www.blogjava.net/orangelizq/archive/2007/12/01/164541.html