我得到了一个稍作修改的示例 ping 程序......
String ip = "192.168.1.1 -t";
String pingResult = "";
String pingCmd = "ping " + ip;
try{
Runtime r = Runtime.getRuntime();
Process p = r.exec(pingCmd);
Pattern pattern = Pattern.compile("time=(\\d+)ms");
Matcher m = null;
BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
m = pattern.matcher(inputLine);
if (m.find()) {
System.out.println(m.group(1));
}
}
in.close();
}
catch (IOException e) {
System.out.println(e);
}
我将实现一个包含开始和退出按钮的 GUI,开始按钮可以工作,但退出按钮不会。当我单击退出按钮时,程序不显示 rtt 时间输出。但是程序实际上并没有退出/停止。我如何完全关闭它,我要添加类似Runtime.getRuntime().addShutdownHook
.
需要一些提示和指南,在此先感谢...