public static Calendar C(long ms) {
        Calendar c = Calendar.getInstance();
        c.setTimeInMillis(ms);
        return c;
    }
public static Calendar C(long ms) {
        Calendar c = Calendar.getInstance();
        c.setTimeInMillis(ms);
        return c;
    }
public static Calendar C ( long ms ) { Calendar c = Calendar . getInstance ( ) ; c . setTimeInMillis ( ms ) ; return c ; }
根据毫秒数得到时间

@param ms
时间的毫秒数
@return 时间
根据毫秒数得到时间