通过网络同步时间

把server时间同步到本地，并设置。

[1].[代码] [Java]代码 跳至 [1]

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public void synTime() {         new Thread(new Runnable() {               @Override             public void run() {                 try {                     URL url = new URL("http://bjtime.cn/");// 取得资源对象                     URLConnection uc = url.openConnection();// 生成连接对象                     uc.setConnectTimeout(2000);                     uc.connect(); // 发出连接                     Calendar calendar = Calendar.getInstance();                     long timeStamp = uc.getDate();                     calendar.setTimeInMillis(timeStamp);                       String command = String.format("date -s %d%02d%02d.%02d%02d%02d", calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH) + 1, calendar.get(Calendar.DAY_OF_MONTH), calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), calendar.get(Calendar.SECOND));                     // 执行Shell                     Commons.execShell(command);                 } catch (MalformedURLException e) {                     e.printStackTrace();                 } catch (IOException e) {                     e.printStackTrace();                 }             }         }).start();     }