本文实例讲述了java实现从网上下载图片到本地的方法。分享给大家供大家参考。具体如下:
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import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
public static void writeFile(String strUrl,String fileName){
URL url = null ;
try {
url = new URL(strUrl);
} catch (MalformedURLException e2) {
e2.printStackTrace();
}
InputStream is = null ;
try {
is = url.openStream();
} catch (IOException e1) {
e1.printStackTrace();
}
OutputStream os = null ;
File f = new File( "d:\\webimg\\" );
f.mkdirs();
try {
os = new FileOutputStream( "d:\\webimg\\" +fileName);
int bytesRead = 0 ;
byte [] buffer = new byte [ 8192 ];
while ((bytesRead = is.read(buffer, 0 , 8192 ))!=- 1 ){
os.write(buffer, 0 ,bytesRead);
}
} catch (FileNotFoundException e){
} catch (IOException e) {
e.printStackTrace();
}
}
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希望本文所述对大家的java程序设计有所帮助。