方法一:SimpleDateFormat 24小时制
SimpleDateFormat formart = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
formart.setTimeZone(TimeZone.getTimeZone("GMT+08"));
String date = formart.format(new Date());
方法二:Calendar 非24小时制
Calendar calendar = Calendar.getInstance();
SimpleDateFormat formart = new SimpleDateFormat("dd-MMM-yyyy hh:mm:ss");
formart.setTimeZone(TimeZone.getTimeZone("GMT+8"));
String time = sdf.format(calendar.getTime());
方法三: GregorianCalendar
public static String getLocalDatetime(String local) {
Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone(local));
calendar.setTimeInMillis(Calendar.getInstance().getTimeInMillis());
String date = calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) + 1) + "-" + calendar.get(Calendar.DAY_OF_MONTH);
String time = calendar.get(Calendar.HOUR_OF_DAY) + ":" + calendar.get(Calendar.MINUTE) + ":" + calendar.get(Calendar.SECOND);
return date + " " + time;
}
方法四:获取网络时间(http://www.bjtime.cn)
// 取得 bjtime url
URL url = new URL("http://www.bjtime.cn");
// 生成 URLConnection对象
URLConnection connection = url.openConnection();
connection.connect();
// 取得网站日期时间
long date = connection.getDate();
// 转换为标准时间对象
Date date = new Date(date);
String dateTime = date.getHours()+":"+date.getMinutes()+":"+date.getSeconds());
方法五:获取本地(当地)时间 LocationManager
LocationManager manager = (LocationManager) this.getSystemService(MainActivity.LOCATION_SERVICE);
long networkTime = manager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER).getTime();
// 获取当前时间
manager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, this);
// 当我们使用requestLocationUpdates时,我们需要实现LocationListener接口。
// 在LocationListen的回调onLocationChanged当中获取时间
@Override
public void onLocationChanged(Location location) {
long time = location.getTime();
Date date = new Date(time);
Sring dateTime = time + " NETWORK_PROVIDER " + date);
}
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