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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�ؓ(f��)�?

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

nick — Tue, 18 Jul 2006 06:02:00 GMT

摘要: java.beans.PropertyChangeSupport是一个实用工��L(f��ng)��Q�支持绑定该属性的bean能够使用该类.当执行setName操作�Ӟ��?x��)触发firePropertyChange事�g�Q?因�ؓ(f��)PropertyChangeSupportTest和PropertyChangeSupport�l�定,那么在BeanTestListener中，因�ؓ(f��)��d��里支持类的监听器�Q�所以应该触发propertyChange事�g�Q?�q�且�?x��)根据evt.getPropertyName()来获得你在BeanTest中触发事件是�l�定的属性名�U?........
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nick 2006-07-18 14:02 发表评论

nick — Mon, 17 Jul 2006 00:38:00 GMT

一直想像别的网友一��P��在网上尽情挥�z�自��q��才华�Q�表达自��q��喜怒哀乐，记录自己生活的点�Ҏ(gu��)��?..... 今天�Q�我的blog开通了。首先，当然要祝愿自�׃��下，希望自己有一个美好的明天�Q?同时�Q�也希望�q�大�|�友时常光��(f��)自己的blog��屋�?( *_* )

nick 2006-07-17 08:38 发表评论