nick — Mon, 14 Aug 2006 01:03:00 GMT

java应用�E�序与网�l�通讯一直是我的弱项,惌��一�?��׃��q�一��开始吧!
以从�|�上下蝲一个图象�ؓ�?

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

public class DownloadFormURL {

     public static void main(String[] args) {
         try {
             new DownloadFormURL().downloadFile( " http://127.0.0.1:8080/image/f.jpg " , new File( " F:/image.jpg " ));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

     public void downloadFile(String sourceURL, File targetFile) throws IOException {

        URL url = new URL(sourceURL);
        URLConnection connection = url.openConnection();
        java.io.InputStream inputStream = connection.getInputStream();
        FileOutputStream outputStream = new FileOutputStream(targetFile);
        BufferedInputStream in = null ;
        BufferedOutputStream out = null ;
         byte buffer[] = new byte [ 8192 ];
         try {
            in = new BufferedInputStream(inputStream, buffer.length);
            out = new BufferedOutputStream(outputStream, buffer.length);
             int total = 0 ;
             for ( int bytesRead = 0 ; (bytesRead = in.read(buffer)) != - 1 ;) {
                out.write(buffer, 0 , bytesRead);
                total += bytesRead;
            }

        } finally {
            in.close();
            out.close();
        }
         return ;
    }
}

��试了一�?�q�不�?

nick 2006-08-14 09:03 发表评论

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