java 代码
- package test.bowen;
- import java.lang.reflect.Method;
- import javax.swing.JOptionPane;
- public class URLOpener {
- public static void openURL(String url) {
- String osName = System.getProperty("os.name");
- try {
- if (osName.startsWith("Mac OS")) {
- Class fileMgr = Class.forName("com.apple.eio.FileManager");
- Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] { String.class });
- openURL.invoke(null, new Object[] { url });
- } else if (osName.startsWith("Windows")) {
- Runtime.getRuntime().exec(
- "rundll32 url.dll,FileProtocolHandler " + url);
- } else { // assume Unix or Linux
- String[] browsers = { "firefox", "opera", "konqueror",
- "epiphany", "mozilla", "netscape" };
- String browser = null;
- for (int count = 0; count < browsers.length && browser == null; count++) {
- if (Runtime.getRuntime().exec(new String[] { "which", browsers[count]})
- .waitFor() == 0) {
- browser = browsers[count];
- }
- }
- if (browser == null) {
- throw new Exception("Could not find web browser");
- } else {
- Runtime.getRuntime().exec(new String[] { browser, url });
- }
- }
- } catch (Exception ex) {
- System.out.println("打开浏览器时出错:" + ex.getMessage());
- JOptionPane.showMessageDialog(null, "打开浏览器时出错:"
- + ex.getLocalizedMessage());
- }
- }
- public static void main(String[] s){
- URLOpener.openURL("www.iteye.com");
- }
- }
本文介绍了一个使用Java实现的跨平台URL打开器,能够根据不同操作系统(如Mac OS、Windows和Unix/Linux)调用相应的浏览器打开指定的网页。通过反射机制和运行时执行命令的方式,实现了在多种操作系统上打开网页的功能。
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