JavaRMI学习笔记1_JAVA_编程开发_程序员俱乐部

通过Java Rmi 的远程方法调用返回一个对象列表，代码如下：

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1、Server服务接口

class="java">import java.rmi.Remote;
import java.rmi.RemoteException;
import java.util.List;

//须继承Romote类
public interface IStuService extends Remote {

	public List<Student> getStudet() throws RemoteException;
}

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2、Server服务接口实现类

import java.rmi.RemoteException;
import java.rmi.server.RMIClientSocketFactory;
import java.rmi.server.RMIServerSocketFactory;
import java.rmi.server.UnicastRemoteObject;
import java.util.ArrayList;
import java.util.List;

//须继承UnicastRemoteObject类  同时要重写构造方法  由于父类的构造方法抛异常了
public class StuServiceImpl extends UnicastRemoteObject implements IStuService {

	public StuServiceImpl() throws RemoteException {
		super();
	}

	public StuServiceImpl(int i, RMIClientSocketFactory rmiclientsocketfactory,
			RMIServerSocketFactory rmiserversocketfactory)
			throws RemoteException {
		super(i, rmiclientsocketfactory, rmiserversocketfactory);
	}

	public StuServiceImpl(int i) throws RemoteException {
		super(i);
	}

	@Override
	public List<Student> getStudet() throws RemoteException {
		List<Student> list = new ArrayList<Student>();

		Student s1 = new Student();
		s1.setId(1);
		s1.setName("xxx");

		Student s2 = new Student();
		s2.setId(2);
		s2.setName("yyy");

		list.add(s1);
		list.add(s2);

		return list;
	}

}

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3、Server服务发布类

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

public class RmiServer {

	public static void main(String[] args) {
		try {
			IStuService ss = new StuServiceImpl();

			// 注册一个通讯端口
			LocateRegistry.createRegistry(6666);

			// 注册一个通讯路径
			Naming.rebind("rmi://127.0.0.1:6666/service", ss);
			System.out.println("Service Start!");
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

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4、Entity实体类（注意：实体类必须实现Serializable接口）

public class Student implements java.io.Serializable {

	private int id;
	private String name;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

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

}

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5、Client客户端

import java.rmi.Naming;
import java.util.List;

public class Client {

	public static void main(String[] args) {

		try {
			// 此处不能强制转换为接口的实现类
			IStuService ss = (IStuService) Naming
					.lookup("rmi://127.0.0.1:6666/service");

			List<Student> list = ss.getStudet();

			for (Student stu : list) {
				System.out.println(stu.getId() + "--------" + stu.getName());
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}

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