java 进程通信之： RMI（远程方法调用）

1/4：

import java.rmi.Remote;
import java.rmi.RemoteException;
import java.util.Map;

/**
 * 远程RMI 页面采集接口
 * 
 * 
 */
public interface IPageCollectRMI extends Remote {
	public String test(String str) throws RemoteException;
}

2/4：

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

/**
 * 远程RMI 页面采集接口实现类
 * 
 * @author  张飞
 * 
 */

public class PageCollectRMIImpl extends UnicastRemoteObject implements
		IPageCollectRMI {
	public PageCollectRMIImpl() throws RemoteException {
		super();
		// TODO Auto-generated constructor stub
	}

	private static final long serialVersionUID = 1L;

	public String test(String str) throws RemoteException {
		// TODO Auto-generated method stub
		return "远程server上的打印方法被调用--------->> ：" + str;
	}

}

3/4：

import java.rmi.Naming;
import java.rmi.registry.LocateRegistry;

public class Server {

	public void serverStart() {

		try {
			// 启动RMI服务
			LocateRegistry.createRegistry(7890);// rmi端口
			PageCollectRMIImpl collectRMIImpl = new PageCollectRMIImpl();
			Naming.rebind("//localhost:7890/pageCollectRMI", collectRMIImpl);// 绑定
			System.out.println("RMI[PageCollectRMIImpl]启动成功");
		} catch (Exception e) {
			System.out.println("RMI[PageCollectRMIImpl]启动失败");
			e.printStackTrace();
		}
	}

	public static void main(String[] args) {
		new Server().serverStart();
	}

}

4/4：

import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.RemoteException;

public class Client {

	public static void main(String[] args) {
		try {
			IPageCollectRMI hello = (IPageCollectRMI) Naming
					.lookup("//192.168.1.100:7890/pageCollectRMI");
			System.out.println(hello.test("隨便打印"));
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (RemoteException e) {
			e.printStackTrace();
		} catch (NotBoundException e) {
			e.printStackTrace();
		}
	}
}