所以SCORM 2004的session_time格式如下所示
P[yY][mM][dD][T[hH][mM][s[.s]S]]
方括号中的选项是可选的,但它必须包含至少一个选项。
格式示例为PT0H0M47S
这意味着0小时0分47秒。
该值在MSSQL数据库中存储为varchar。
我需要能够将此字符串格式转换为可用格式,以便我可以将此时间添加到开始日期时间以计算结束日期时间。
我目前正在将SCORM数据从旧数据库移动到新数据库1.我可以在PHP中执行此操作并轻松格式化时间,但我更愿意在SQL中编写所有导入脚本。
对此的任何帮助将不胜感激。
编辑:
如果有帮助,这是我编写的用于处理其他用途格式的PHP函数
private function formatDuration($duration)
{
$count = preg_match('/P(([0-9]+)Y)?(([0-9]+)M)?(([0-9]+)D)?T?(([0-9]+)H)?(([0-9]+)M)?(([0-9]+)(\.[0-9]+)?S)?/', $duration, $matches);
if ($count)
{
$_years = (int) $matches[2];
$_months = (int) $matches[4];
$_days = (int) $matches[6];
$_hours = (int) $matches[8];
$_minutes = (int) $matches[10];
$_seconds = (int) $matches[12];
}
else
{
if (strstr($duration, ':'))
{
list($_hours, $_minutes, $_seconds) = explode(':', $duration);
}
else
{
$_hours = 0;
$_minutes = 0;
$_seconds = 0;
}
}
// I just ignore years, months and days as it is unlikely that a
// course would take any longer than 1 hour
return $_seconds + (($_minutes + ($_hours * 60)) * 60);
}
答案 0 :(得分:3)
为我制定了一个解决方案。
这需要放在我的SQL函数中,我需要完成最后一点,我决定我想要什么格式。
我只更新了大约900行,这是1次更新,因此性能不是问题。
DECLARE @session_time varchar(200) = 'P50Y2M3DT4H5M6S'
DECLARE @date varchar(100) = ''
DECLARE @time varchar(100) = ''
DECLARE @year varchar(20) = '0'
DECLARE @month varchar(20) = '0'
DECLARE @day varchar(20) = '0'
DECLARE @hour varchar(20) = '0'
DECLARE @minute varchar(20) = '0'
DECLARE @second varchar(20) = '0'
-- Remove the P
SET @session_time = SUBSTRING(@session_time, 2, LEN(@session_time)-1)
-- If we have a T
IF PATINDEX('%T%',@session_time) > 0
BEGIN
SET @date = SUBSTRING(@session_time, 0, PATINDEX('%T%',@session_time))
SET @time = SUBSTRING(@session_time, LEN(@date + 'T') + 1, LEN(@session_time))
END
ELSE
BEGIN
SET @time = @session_time;
END
-- Get the date parts
IF LEN(@date) > 0
BEGIN
-- If theres a year
IF PATINDEX('%Y%',@date) > 0
BEGIN
SET @year = SUBSTRING(@date, 0, PATINDEX('%Y%',@date))
SET @date = SUBSTRING(@date, LEN(@year + 'Y') + 1, LEN(@date))
END
-- If theres a month
IF PATINDEX('%M%',@date) > 0
BEGIN
SET @month = SUBSTRING(@date, 0, PATINDEX('%M%',@date))
SET @date = SUBSTRING(@date, LEN(@month + 'M') + 1, LEN(@date))
END
-- If theres a day
IF PATINDEX('%D%',@date) > 0
BEGIN
SET @day = SUBSTRING(@date, 0, PATINDEX('%D%',@date))
SET @date = SUBSTRING(@date, LEN(@day + 'D') + 1, LEN(@date))
END
END
-- Get the time parts
IF LEN(@time) > 0
BEGIN
-- If theres an hour
IF PATINDEX('%H%',@time) > 0
BEGIN
SET @hour = SUBSTRING(@time, 0, PATINDEX('%H%',@time))
SET @time = SUBSTRING(@time, LEN(@hour + 'H') + 1, LEN(@time))
END
-- If theres a minute
IF PATINDEX('%M%',@time) > 0
BEGIN
SET @minute = SUBSTRING(@time, 0, PATINDEX('%M%',@time))
SET @time = SUBSTRING(@time, LEN(@minute + 'M') + 1, LEN(@time))
END
-- If theres a second
IF PATINDEX('%S%',@time) > 0
BEGIN
SET @second = SUBSTRING(@time, 0, PATINDEX('%S%',@time))
SET @time = SUBSTRING(@time, LEN(@second + 'S') + 1, LEN(@time))
END
END
PRINT @year + ' years '
PRINT @month + ' months '
PRINT @day + ' days '
PRINT @hour + ' hours '
PRINT @minute + ' minutes '
PRINT @second + ' seconds '
答案 1 :(得分:0)
我的解决方案:
PTMHStoHHMMSS : function(val){ //custom SCORM extension to convert P[yY][mM][dD][T[hH][mM][s[.s]S]] to hh:mm:ss
var seconds, minutes, hours;
hours = val.match(/(?:T)(.*)(?:[H])/i); //match everything between T & H
if (hours.length > 0){
hours = hours[1] * 1;
} else {
hours = 0;
}
minutes = val.match(/(?:T.*[H])(.*)(?:[M])/i); //match everything between H & M that's after T
if (minutes.length > 0){
minutes = minutes[1] * 1;
} else {
minutes = 0;
}
seconds = val.match(/(?:T.*[M])(.*)(?:[S])/i); //match everything between M & S that's after T
if (seconds.length > 0){
seconds = seconds[1] * 1;
} else {
seconds = 0;
}
//pad lower number with 0 if needed
if (hours < 10){ hours = "0" + hours; }
if (minutes < 10){ minutes = "0" + minutes; }
if (seconds < 10){ seconds = "0" + seconds; }
return hours + ':' + minutes + ':' + seconds;
}