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("https://image.jpg","F:/");
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;
}
}
java通過URL下載文件
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