timeutil.java

文件的上传和下载的实现,用JAva编写,非常简单

    public static String getYMDHMS(Calendar cld)
    {
        return getYMD(cld, true, '-') + " " + getHMS(cld, true, ':');
    }

    public static String getYMDHMS(String cld)
    {
        return getYMD(true, '-') + " " + getHMS(true, ':');
    }

    public static String getYMDHMS()
    {
        return getYMD(true) + getHMS(true);
    }

    /**
     * 返回年月，中国方式
     */
    public static String getYMChinese()
    {
        Calendar calendar = new GregorianCalendar();
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH) + 1;
        return fmtNum(year) + "年" + int2Chinese(month) + "月";
    }

    /**
     * 返回年、月、日，中国方式
     */
    public static String getYMDChinese()
    {
        Calendar calendar = new GregorianCalendar();
        int day = calendar.get(Calendar.DAY_OF_MONTH);
        String str = TimeUtil.getYMChinese();

        return str + int2Chinese(day) + "日";

    }

    /**
     * 将"2000-10-10"的形式换成中国形式，此程序有bug， bug
     */
    public static String dateFormat(String str)
    {
        String out = "";
        if (str == null || str.length() < 8)
            return out;
        String year = str.substring(0, 4);
        String month = str.substring(5, 7);
        String day = str.substring(8, 10);
        out = year + "年" + Integer.parseInt(month) + "月"
                + Integer.parseInt(day) + "日";
        return out;

    }

    /**
     * 将"2000-1-10"的形式换成2000-01-10
     */
    public static String changeDate(String str)
    {
        String out = "";
        if (str == null || str.length() < 8)
            return out;
        String[] temp = str.split("-");

        String year = temp[0];
        String month = temp[1];
        if (month.length() < 2)
        {
            month = "0" + month;
        }
        String day = temp[2];

        out = year + "-" + month + "-" + day;
        return out;

    }

    /**
     * 将数字换成中文数字
     */
    public static String int2Chinese(int num)
    {
        if (num > 31 || num < 0)
        {
            throw new IndexOutOfBoundsException("Input num: " + num
                    + " must be smaller than 31 and bigger than 0");
        }
        String temp = "";
        switch (num)
            {
            case 0:
                temp = "○";
                break;
            case 1:
                temp = "一";
                break;
            case 2:
                temp = "二";
                break;
            case 3:
                temp = "三";
                break;
            case 4:
                temp = "四";
                break;
            case 5:
                temp = "五";
                break;
            case 6:
                temp = "六";
                break;
            case 7:
                temp = "七";
                break;
            case 8:
                temp = "八";
                break;
            case 9:
                temp = "九";
                break;
            case 10:
                temp = "○";
                break;
            case 11:
                temp = "十一";
                break;
            case 12:
                temp = "十二";
                break;
            case 13:
                temp = "十三";
                break;
            case 14:
                temp = "十四";
                break;
            case 15:
                temp = "十五";
                break;
            case 16:
                temp = "十六";
                break;
            case 17:
                temp = "十七";
                break;
            case 18:
                temp = "十八";
                break;
            case 19:
                temp = "十九";
                break;
            case 20:
                temp = "二十";
                break;
            case 21:
                temp = "二十一";
                break;
            case 22:
                temp = "二十二";
                break;
            case 23:
                temp = "二十三";
                break;
            case 24:
                temp = "二十四";
                break;
            case 25:
                temp = "二十五";
                break;
            case 26:
                temp = "二十六";
                break;
            case 27:
                temp = "二十七";
                break;
            case 28:
                temp = "二十八";
                break;
            case 29:
                temp = "二十九";
                break;
            case 30:
                temp = "三十";
                break;
            case 31:
                temp = "三十一";
                break;
            }
        return temp;

    }

    /**
     * 将数字换成中国数字
     */
    public static String fmtNumHor(int num)
    {
        String strNum = num + "";
        String result = "";
        for (int i = 0; i < strNum.length(); i++)
        {
            switch (strNum.charAt(i))
                {
                case '1':
                    result += "一<br>";
                    break;
                case '2':
                    result += "二<br>";
                    break;
                case '3':
                    result += "三<br>";
                    break;
                case '4':
                    result += "四<br>";
                    break;
                case '5':
                    result += "五<br>";
                    break;
                case '6':
                    result += "六<br>";
                    break;
                case '7':
                    result += "七<br>";
                    break;
                case '8':
                    result += "八<br>";
                    break;
                case '9':
                    result += "九<br>";
                    break;
                case '0':
                    result += "○<br>";
                    break;
                default:
                    break;
                }
        }
        return result;
    }

    /**
     * 将数字换成中国数字
     */
    public static String fmtNum(int num)
    {
        String strNum = num + "";
        String result = "";
        for (int i = 0; i < strNum.length(); i++)
        {
            switch (strNum.charAt(i))
                {
                case '1':
                    result += "一";
                    break;
                case '2':
                    result += "二";
                    break;
                case '3':
                    result += "三";
                    break;
                case '4':
                    result += "四";
                    break;
                case '5':
                    result += "五";
                    break;
                case '6':
                    result += "六";
                    break;
                case '7':
                    result += "七";
                    break;
                case '8':
                    result += "八";
                    break;
                case '9':
                    result += "九";
                    break;
                case '0':
                    result += "○";
                    break;
                default:
                    break;
                }
        }
        return result;
    }

    public static Date afterDay(Date date, int i)
    {
        return new Date(date.getTime() + (long) (i * 1000 * 24 * 60 * 60));
    }

    private static boolean isLeapYear(int i)
    {
        if (i % 100 == 0)
            return i % 400 == 0;
        return i % 4 == 0;
    }

    public static String afterMonth(String s, int i)
    {
        int ai[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
        StringTokenizer stringtokenizer = new StringTokenizer(s, "-");
        int j = 0;
        int k = 0;
        int l = 0;
        if (stringtokenizer.hasMoreTokens())
        {
            j = Integer.parseInt(stringtokenizer.nextToken());
            k = Integer.parseInt(stringtokenizer.nextToken());
            l = Integer.parseInt(stringtokenizer.nextToken());
        }
        Assert.pl(j + "" + k + "" + l + "");
        if (isLeapYear(j))
            ai[1] = 29;
        k += i % 12;
        Assert.pl("months%12=" + i % 12);
        j += i / 12;
        if (k > 12)
        {
            k -= 12;
            j++;
        }
        Assert.pl("month=" + k);
        if (l > ai[k - 1])
            l = ai[k - 1];
        return j + "-" + k + "-" + l;
    }

    public static String beforAMonth(String s)
    {
        int ai[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
        StringTokenizer stringtokenizer = new StringTokenizer(s, "-");
        int i = 0;
        int j = 0;
        int k = 0;
        if (stringtokenizer.hasMoreTokens())
        {
            i = Integer.parseInt(stringtokenizer.nextToken());
            j = Integer.parseInt(stringtokenizer.nextToken());
            k = Integer.parseInt(stringtokenizer.nextToken());
        }
        Assert.pl(i + "" + j + "" + k + "");
        if (isLeapYear(i))
            ai[1] = 29;
        if (j == 1)
            j = 12;
        else
            j--;
        i--;
        if (k > ai[j - 1])
            k = ai[j - 1];
        return i + "-" + j + "-" + k;
    }

    public static String getToday()
    {
        SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyy-M-d");
        return simpledateformat.format(new java.util.Date());
    }

    /**
     * Description 	取得一个时间系统当前时间到一个时间str的分钟数
     * @param	时间str，格式为：2005-09-13 18:12:16
     * @return	minute 分钟数
     */
    public static int getIntervalTime(String str)
    {
        Calendar cd1 = string2Calendar(str);
        Calendar cdNow = Calendar.getInstance();
        return (int) ((cd1.getTimeInMillis() - cdNow.getTimeInMillis()) / 1000 / 60);
    }

    public static int getTotalTime(String str)
    {
        Calendar cd1 = string2Calendar(str);
        Calendar cdNow = Calendar.getInstance();
        return (int) (-(cd1.getTimeInMillis() - cdNow.getTimeInMillis()) / 1000 / 60);
    }

    public static Calendar string2Calendar(String str)
    {

        Calendar cd = Calendar.getInstance();
        cd.set(Str.parseInt(str.substring(0, 4)), Str.parseInt(str.substring(5,
                7)) - 1, Str.parseInt(str.substring(8, 10)), Str.parseInt(str
                .substring(11, 13)), Str.parseInt(str.substring(14, 16)), Str
                .parseInt(str.substring(17)));

        return cd;
    }

    /**
     * 根据开始时间str和一个分钟数，计算结束时间
     * 
     * @param str
     *            开始时间 格式为：2005-09-13 18:12:16
     * @param minute
     *            分钟数 如60
     * @return strR 结束时间 2005-09-13 17:12:16
     */
    public static String getEndTime(String str, int minute)
    {

        Calendar cd = Calendar.getInstance();
        Calendar cdr = Calendar.getInstance();
        cd = string2Calendar(str);
        cdr.setTimeInMillis(cd.getTimeInMillis() + minute * 60 * 1000);

        return getYMDHMS(cdr);
    }

    public static void main(String[] args)
    {
        System.out.println(getTotalTime("2005-11-13 09:59:16"));
        System.out.println((float) 12 / 7);

    }

}