import java.io.File; import java.net.URL; import org.apache.commons.io.FileUtils; public class DownloadURLFile { /** * @param args */ public static void main(String[] args) { String res = downloadFromUrl("http://images.17173.com/2010/www/roll/201003/0301sohu01.jpg","d:/"); System.out.println(res); } public static String downloadFromUrl(String url,String dir) { try { URL httpurl = new URL(url); String fileName = getFileNameFromUrl(url); System.out.println(fileName); File f = new File(dir + fileName); FileUtils.copyURLToFile(httpurl, f); } catch (Exception e) { e.printStackTrace(); return "Fault!"; } return "Successful!"; } public static String getFileNameFromUrl(String url){ String name = new Long(System.currentTimeMillis()).toString() + ".X"; int index = url.lastIndexOf("/"); if(index > 0){ name = url.substring(index + 1); if(name.trim().length()>0){ return name; } } return name; } }
使用FileUtils简化你的文件操作
参考:http://blog.csdn.net/lqclh502/article/details/38338327