获取系统时间并格式化输出

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

public static String getCurrentTime() {
    Date nowData = Calendar.getInstance().getTime();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
    return sdf.format(nowData);
}