java 毫秒值转换成固定格式 00:00 和 1′23″

/**
 * 毫秒转化为 00:00格式
 */
public static String formatMillSecondClock(long ms) {
    if (ms <= 0) {
        return "";
    }
    Integer ss = 1000;
    Integer mi = ss * 60;
    Integer hh = mi * 60;
    Integer dd = hh * 24;

    Long minute = ms / mi;
    Long second = (ms - minute * mi) / ss;

    StringBuffer sb = new StringBuffer();
    if (minute > 0) {
        if (minute > 9) {
            sb.append(minute + ":");
        } else {
            sb.append("0" + minute + ":");
        }
    } else {
        sb.append("00:");
    }
    if (second > 0) {
        if (second > 9) {
            sb.append(second);
        } else {
            sb.append("0" + second);
        }
    } else {
        sb.append("00");
    }
    return sb.toString();
}

/**
 * 毫秒转化为 1′23″格式
 */
public static String formatMillSecondSymbol(long ms) {
    if (ms <= 0) {
        return "";
    }
    Integer ss = 1000;
    Integer mi = ss * 60;
    Integer hh = mi * 60;
    Integer dd = hh * 24;

    Long minute = ms / mi;
    Long second = (ms - minute * mi) / ss;

    StringBuffer sb = new StringBuffer();
    if (minute > 0) {
        sb.append(minute + "′");
    }
    if (second > 0) {
        sb.append(second + "″");
    }
    return sb.toString();
}