我有一个数学问题,我不能解决。我正在UNIX时间戳工作。我有一个进程的开始时间,进程的结束时间,以及给定进程的长度(以秒为单位)。我想在我的页面上显示进度表,显示已完成的百分比。如何显示计时器的进度百分比
我有一个功能,它显示一个倒数计时器,每1000毫秒滴答。我想在每次打勾时更新进度表。
任何人都可以帮我用公式来获得完成的百分比吗?
TIA
// WE NEED TO PULL THE BED START TIME AND DURATION FROM THE DATABASE //
$bedMinQ = "SELECT bedId, sessionDate, minutesUsed FROM tanningHistory WHERE bedId = '".(int)$row->id."' ORDER BY id DESC LIMIT 1";
if($bedMinRes=$con->query($bedMinQ))
{
while($bedMinRow = $bedMinRes->fetch_object())
{
$minutesUsed = $bedMinRow->minutesUsed;
$sessionDate = $bedMinRow->sessionDate;
}
}
// GET THE TIME THAT THE SESSION STARTED //
${'timeStarted'.$row->id} = new DateTime($sessionDate);
// GET THE TIME THAT THE SESSION STARTED AND PLACE IN A VARIABLE THAT CAN BE EDITED INDEPENDENTLY //
${'timeStartedToEdit'.$row->id} = new DateTime($sessionDate);
// GET THE END TIME OF THE SESSION //
${'timeEnding'.$row->id} = ${'timeStartedToEdit'.$row->id}->modify('+'.$minutesUsed.' minutes');
// GET THE START TIME OF THE SESSION AS A TIMESTAMP //
${'stamp_start'.$row->id} = ${'timeStarted'.$row->id}->getTimestamp();
// GET THE END TIME OF THE SESSION AS A TIMESTAMP //
${'stamp_end'.$row->id} = ${'timeEnding'.$row->id}->getTimestamp();
$timeNow = new DateTime(date('Y-m-d H:i:s'));
$now = $timeNow->getTimestamp();
$duration = $minutesUsed*60;
// ${'timeStartedFormatted'.$row->id} = ${'timeStarted'.$row->id}->format('Y-m-d H:i:s');
// ${'timeEndingFormatted'.$row->id} = ${'timeEnding'.$row->id}->format('Y-m-d H:i:s');
echo "<span id='timeStarted".$row->id."' style='display: none' data-".$row->id."='".${'stamp_start'.$row->id}."'></span>";
echo "<span id='timeEnding".$row->id."' style='display:none' data-".$row->id."='".${'stamp_end'.$row->id}."'></span>";
echo "<span id='now' style='display:none'>".$now."</span>";
echo "<span id='duration' style='display:none'>".$duration."</span>";
<div class="dashboard-stat2 bordered">
<div class="display">
<div class="number">
<h3 class="font-blue-sharp">
<span data-counter="counterup" data-value="00.00" id="countdownBed<?php echo $row->id; ?>">00.00</span>
</h3>
<small><?php echo $row->bedName; ?></small>
</div>
<div class="icon">
<i class="fa fa-clock-o"></i>
</div>
</div>
<div class="progress-info">
<div class="progress">
<span id="progress<?php echo $row->id; ?>" style="width: 45%;" class="progress-bar progress-bar-success red-flamingo">
<span class="sr-only">45% grow</span>
</span>
</div>
<div class="status">
<div class="status-title"> grow </div>
<div class="status-number"> 45% </div>
</div>
</div>
</div>
// START ON THE TIMER FOR THE SUNBEDS //
var date_start = $('#timeStarted'+<?php echo $row->id; ?>).data('<?php echo $row->id; ?>') * 1000;
var date_end = $('#timeEnding'+<?php echo $row->id; ?>).data('<?php echo $row->id; ?>') * 1000;
var now = $('#now').text() * 1000;
var duration = $('#duration').text()*1000;
console.log(duration);
// then get the difference
var diff = date_end - now;
if(diff<0)
{
var sec = 0;
} else {
var sec = diff/1000;
}
countDownBed<?php echo $row->id; ?>(sec, $('#countdownBed'+<?php echo $row->id; ?>));
function countDownBed<?php echo $row->id; ?>(duration, element) {
var timer = duration, minutes, seconds;
var interval = setInterval(function() {
minutes = parseInt(timer/60, 10);
seconds = parseInt(timer % 60, 10);
minutes = minutes < 10 ? '0' + minutes : minutes;
seconds = seconds < 10 ? '0' + seconds : seconds;
element.text(minutes + ':' + seconds);
var percent = (duration/interval)*100;
$('#progress'+<?php echo $row->id ?>).css('width', percent+'%');
if (--timer < 0) clearInterval(interval);
}, 1000);
}
您可以发布您现有的代码,你有什么? – tymeJV
你知道获得百分比的基本数学吗? – epascarello
添加了@tymeJV代码。 –