请问谁有RMI 的相关资料?急急!

Question

JDK的文档中带有RMI的教程，简单易懂，建议学习

Answer 1

class 附：完整的RMI远程执行命令代码/******************************************************************************Description: (RMI) Remote Command Execute     Author: JetKingLau       Email: [email protected]   FileName: ExecutePort.java******************************************************************************/package RemoteExecute;public class ExecutePort { public static int PortNumber = 3200;
public static String  ServerName = "ExecuteServer"; public void ExecutePort() {
} public String getHostName(String hostName) {
return "//" + hostName + ":" + String.valueOf(PortNumber) + "/" + ServerName;
}
}/******************************************************************************Description: (RMI) Remote Command Execute     Author: JetKingLau       Email: [email protected]   FileName: ExecuteInterface.java******************************************************************************/package RemoteExecute;import java.io.*;
import java.rmi.Remote;
import java.rmi.RemoteException;public interface ExecuteInterface extends Remote {
public String  executeCommand(String remoteCommand) throws RemoteException;
}/******************************************************************************Description: (RMI) Remote Command Execute     Author: JetKingLau       Email: [email protected]   FileName: ExecuteImpl.java******************************************************************************/package RemoteExecute;import java.io.*;
import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;public class ExecuteImpl extends UnicastRemoteObject implements ExecuteInterface { private String name;
private ExecutePort executePort = new ExecutePort(); public ExecuteImpl(String s) throws RemoteException{
super();
name = s;
} public String executeCommand(String remoteCommand){ ExecutePort executePort = new ExecutePort();
String stringReturn = "";
try {
System.out.println(remoteCommand);
         Process cmd = Runtime.getRuntime().exec(remoteCommand);
         BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(cmd.getInputStream()), 4096);
String stringLine;         while((stringLine = bufferedReader.readLine()) != null) {
stringReturn = stringReturn + "<br/>" + stringLine;
         }
return stringReturn;
}
catch(Exception e) {
System.out.println(executePort.ServerName + " exception: " + e.getMessage());
e.printStackTrace();
return null;
}
} public static void main(String argv[]) {
ExecutePort executePort = new ExecutePort();
if(System.getSecurityManager() == null) {
System.setSecurityManager(new RMISecurityManager());
}
try {
ExecuteImpl ei = new ExecuteImpl(executePort.ServerName);
Naming.rebind(executePort.getHostName("127.0.0.1"), ei);
System.out.println("ServerName: " + executePort.ServerName);
System.out.println("PortNumber: " + String.valueOf(executePort.PortNumber));
}
catch(Exception e) {
System.out.println(executePort.ServerName + " exception: " + e.getMessage());
e.printStackTrace();
}
}}/******************************************************************************Description: (RMI) Remote Command Execute     Author: JetKingLau       Email: [email protected]   FileName: ExecuteClient.java******************************************************************************/package RemoteExecute;import java.io.*; 
import java.rmi.*;public class ExecuteClient{
public static void main(String argv[]) {
if(argv.length != 2) {
System.out.println("Usage: java ExecuteClient machineName remoteCommand");
System.exit(0);
}
ExecuteClient ec = new ExecuteClient();
System.out.println(ec.executeCommand(argv[0], argv[1]));
} public ExecuteClient() {
} public String executeCommand(String hostName, String remoteCommand) { ExecutePort executePort = new ExecutePort();
try {
ExecuteInterface ei = (ExecuteInterface) Naming.lookup(executePort.getHostName(hostName));
return ei.executeCommand(remoteCommand);
}
catch(Exception e) {
System.err.println(executePort.ServerName + " exception: "+ e.getMessage());
e.printStackTrace();
return null;
}
}
}/******************************************************************************Description: (RMI) Remote Command Execute     Author: JetKingLau       Email: [email protected]   FileName: ExecuteServlet.java******************************************************************************/package RemoteExecute;import java.io.*;
import java.rmi.*;
import javax.servlet.*;
import javax.servlet.http.*;public class ExecuteServlet extends HttpServlet {    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException
    { ExecutePort executePort = new ExecutePort();
      
        response.setContentType("text/html; charset=gb2312");
        PrintWriter out = response.getWriter(); String hostName = request.getParameter("HostName");
String cmdString = request.getParameter("CommandString");// out.println("<br/><b>Host Name:</b> " + hostName);
// out.println("<br/><b>Remote Command:</b> " + cmdString);
// out.println("<br/>"); if( "".equals(hostName) || "".equals(cmdString) ) {
return;
}
try {
ExecuteClient ec = new ExecuteClient();
out.println(ec.executeCommand(hostName, cmdString));
}
catch(Exception e) {
System.err.println(executePort.ServerName + " exception: "+ e.getMessage());
e.printStackTrace();
}
return;
    }
}/******************************************************************************Description: (RMI) Remote Command Execute     Author: JetKingLau       Email: [email protected]   FileName: ExecuteServer.policy******************************************************************************/grant {
permission java.security.AllPermission "", "";
};
 
{
public static void main(String[] args) 
{
System.out.println("Hello World!");
}
}

Answer 2

<core java>第二卷上的第五章就是讲的RMI，另外可以参考《master EJB2》的后面的附录上的rmi-iiop的