java 远程调用方法,java 远程方法调用

package rmimethod;

import java.net.MalformedURLException;

import java.rmi.AlreadyBoundException;

import java.rmi.Naming;

import java.rmi.RemoteException;

import java.rmi.registry.LocateRegistry;

public class Service {

private static final String IP = "127.0.0.1";

private static final int PORT = 9456;

private static final String REMOTE_NAME = "userDao";

private static final String REMOTE_URL = "rmi://"+IP+":"+PORT+"/"+REMOTE_NAME;

public static void main(String[] args) throws RemoteException, MalformedURLException, AlreadyBoundException, InterruptedException {

Hello hello = new ChinaHello();    //实例化对象

LocateRegistry.createRegistry(PORT);    //注册端口

Naming.bind(REMOTE_URL, hello);       //绑定远程服务对象

System.out.println("远程"+REMOTE_NAME+"启动成功....");

Thread.currentThread().sleep(100000);

}

}

package rmimethod;

import java.rmi.Remote;

public interface Hello extends Remote{

String say(String name);

}

public class Client {

public static void main(String args[]) throws MalformedURLException, RemoteException, NotBoundException{

Hello userDao = (Hello) Naming.lookup("rmi://127.0.0.1:9456/userDao");                 //调用远程服务的方法

String name=userDao.say("刘明");

System.out.println(name);

}

}

public class ChinaHello implements Hello,Serializable{

public String say(String name) {

return "你好，"+name;

}

}