java时间加分钟

java时间加分钟

public static void main(String[] args) { String a=addtime("2018-2-8 16:17","110");
        System.out.println(a); } //通过java  Calendar 实现时间+ 分钟
public static String addtime(String timeStr,String addnumber){
        String str=null;
        try {
            DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm");
            Date date = df.parse(timeStr);
            //时间累计
            Calendar gc =new GregorianCalendar();
            gc.setTime(date);
            gc.add(GregorianCalendar.MINUTE,Integer.parseInt(addnumber));
            str=  df.format(gc.getTime());
        }catch (Exception e){ } return str;
    }