以下实例演示了如何获取远程文件的大小:
import java.net.URL;
import java.net.URLConnection;
public class Main {
public static void main(String[] args) throws Exception {
int size;
URL url = new URL("http://www.runoops.com/wp-content/themes/runoops/assets/img/newlogo.png");
URLConnection conn = url.openConnection();
size = conn.getContentLength();
if (size
以上代码运行输出结果为:
文件大小为:4261 bytes
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