简单rmi示例

User类

注意:需要实现序列化

 1 package study.rmi.server;
 2 
 3 import java.io.Serializable;
 4 
 5 public class User implements Serializable {
 6 
 7     /**
 8      * 
 9      */
10     private static final long serialVersionUID = 1L;
11     
12     private String name;
13 
14     public String getName() {
15         return name;
16     }
17 
18     public void setName(String name) {
19         this.name = name;
20     }
21     
22     
23 }

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接口类

1 package study.rmi.server;
2 
3 import java.rmi.Remote;
4 import java.rmi.RemoteException;
5 
6 public interface HelloRemote extends Remote{
7     
8     String sayHello(User user) throws RemoteException;
9 }

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接口实现类

 1 package study.rmi.server;
 2 
 3 import java.rmi.RemoteException;
 4 import java.rmi.server.UnicastRemoteObject;
 5 
 6 public class HelloRemoteImpl extends UnicastRemoteObject implements HelloRemote {
 7 
 8     private static final long serialVersionUID = 1L;
 9     
10     protected HelloRemoteImpl() throws RemoteException {
11         super();
12     }    
13 
14     @Override
15     public String sayHello(User user) throws RemoteException {
16         return "hello," + user.getName();
17     }
18 
19 }

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rmi服务端类

 1 package study.rmi.server;
 2 
 3 import java.net.MalformedURLException;
 4 import java.rmi.Naming;
 5 import java.rmi.RemoteException;
 6 import java.rmi.registry.LocateRegistry;
 7 
 8 public class RemoteServer {
 9 
10     public static void main(String[] args) {
11         try {
12             LocateRegistry.createRegistry(6666);
13             HelloRemote server = new HelloRemoteImpl();
14             Naming.rebind("//127.0.0.1:6666/HelloRemote", server);
15             System.out.println("服务端启动");
16         } catch (RemoteException e) {
17             e.printStackTrace();
18         } catch (MalformedURLException e) {
19             e.printStackTrace();
20         }
21     }
22 
23 }

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客户端类

 1 package study.rmi.client;
 2 
 3 import java.net.MalformedURLException;
 4 import java.rmi.Naming;
 5 import java.rmi.NotBoundException;
 6 import java.rmi.RemoteException;
 7 import study.rmi.server.HelloRemote;
 8 import study.rmi.server.User;
 9 
10 public class RMIClient {
11 
12     public static void main(String[] args) {
13         String url = "//127.0.0.1:6666/HelloRemote";
14         try {
15             HelloRemote helloRemote = (HelloRemote) Naming.lookup(url);
16             User user = new User();
17             user.setName("zs");
18             System.out.println(helloRemote.sayHello(user));
19         } catch (MalformedURLException e) {
20             e.printStackTrace();
21         } catch (RemoteException e) {
22             e.printStackTrace();
23         } catch (NotBoundException e) {
24             e.printStackTrace();
25         }
26         
27     }
28 }

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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