两台windows 2003服务器之间的通信

Question

请问下 服务器相关的问题：

服务器端由两台主机 A 和 B ，系统都是 Windows2003

A 有个 tomcat 跑程序
B 有个 tomcat 跑网站的一些图片文件

现在要在 A 主机 写文件到 B 主机

有什么办法啊 ？

必须用JAVA语言 用程序实现

不能手动拷贝的

Answer 1

http upload demo:

[code="java"]import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class UploadClient {

public static void main(String[] args)
throws Exception
{

HttpURLConnection conn = null;
DataOutputStream dos = null;
DataInputStream inStream = null;

String exsistingFileName = "/tmp/upload.rar"; //本地文件

String lineEnd = "\r\n";

String twoHyphens = "--";
String boundary = "*****";

int bytesRead, bytesAvailable, bufferSize;

byte[] buffer;

int maxBufferSize = 1*1024*1024;

String responseFromServer = "";

String urlString = "http://localhost:8080/upload2/servlet/Upload"; //目标Servlet

try
{
//------------------ CLIENT REQUEST

FileInputStream fileInputStream = new FileInputStream( new
File(exsistingFileName) );

// open a URL connection to the Servlet

URL url = new URL(urlString);

// Open a HTTP connection to the URL

conn = (HttpURLConnection) url.openConnection();

// Allow Inputs
conn.setDoInput(true);

// Allow Outputs
conn.setDoOutput(true);

// Don't use a cached copy.
conn.setUseCaches(false);

// Use a post method.
conn.setRequestMethod("POST");

conn.setRequestProperty("Connection", "Keep-Alive");

conn.setRequestProperty("Content-Type", "multipart/form-data;boundary="+boundary);

dos = new DataOutputStream( conn.getOutputStream() );

dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"uploads\";"
+ " filename=\"" + exsistingFileName +"\"" + lineEnd);
dos.writeBytes(lineEnd);

// create a buffer of maximum size

bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];

// read file and write it into form...

bytesRead = fileInputStream.read(buffer, 0, bufferSize);

while (bytesRead > 0)
{
dos.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}

// send multipart form data necesssary after file data...

dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

// close streams

fileInputStream.close();
dos.flush();
dos.close();

}
catch (MalformedURLException ex)
{
System.out.println("From ServletCom CLIENT REQUEST:"+ex);
}

catch (IOException ioe)
{
System.out.println("From ServletCom CLIENT REQUEST:"+ioe);
}

//------------------ read the SERVER RESPONSE

try
{
inStream = new DataInputStream ( conn.getInputStream() );
String str;
while (( str = inStream.readLine()) != null)
{
System.out.println("Server response is: "+str);
System.out.println("");
}
inStream.close();

}
catch (IOException ioex)
{
System.out.println("From (ServerResponse): "+ioex);

}

}

}
[/code]