3 回答
TA贡献1871条经验 获得超13个赞
这就是我要做的。我会尝试解释,因为我不知道你的完整数据库设置。
您在此处的查询是从系统中选取所有保留的日期。
$sql = "SELECT dateFrom,dateTo from campinginformation WHERE dateFrom IS NOT NULL AND dateTo IS NOT NULL AND dateFrom != '' AND dateTo != '' AND chooseCamping = 'Caravan of camper (kleine plaats)'";
我假设每行也有一个ID?
您应从此查询中排除当前预订(正在编辑的预订)的 ID,这将释放可用的日期。
所以像这样:
$thisReservation = 0; //get the reservation ID of the one being edited
$sql = "SELECT dateFrom,dateTo from campinginformation WHERE dateFrom IS NOT NULL AND dateTo IS NOT NULL AND dateFrom != '' AND dateTo != '' AND chooseCamping = 'Caravan of camper (kleine plaats)' AND ReservationID !== $thisReservation";
希望这有帮助。
TA贡献1906条经验 获得超3个赞
对于第一个问题,您只需在查询中添加另一个条件,以便从搜索中排除当前预订,如下所示:where
... and reservationID != {$currentReservationID}
然后,您只会查看其他预订,这是您在编辑一个预订时所需要的。
对于后一个问题,您当前是否有两个日期字段,一个签入和一个签出日期?如果是这样,解决此问题的最简单方法是使用范围日历功能来使用一个日期范围选取器,而不是两个日期选取器,这似乎不允许在范围内禁用日期。
如果你这样做,你唯一需要改变的就是,而不是大意如下:
$startDate = $_POST['startDate'];
$endDate = $_POST['endDate'];
你会使用:
$dateRange = $_POST['dateRange'];
$dateRange = explode(" to ", $dateRange);
$startDate = $dateRange[0];
$endDate = $dateRange[1];
但是,如果由于某种原因这对您不起作用,我相信下一个最佳选择是在插入其保留之前执行简单的SQL查询,以验证日期是否可用。
您可以在插入查询之前执行类似操作:
select reservationID from campinginformation
where
dateFrom between "{$startingDate}" and "{$endingDate}"
or dateTo between "{$startingDate}" and "{$endingDate}"
如果这返回任何结果,请不要插入其保留项,并提供失败消息。
TA贡献1859条经验 获得超6个赞
我不了解PHP,但希望这个答案能给你一些提示/确切的答案。您的查询会根据注册ID为您提供先前保存的入住和退房日期,一旦您知道入住和退房日期,您就可以通过以下代码实现您想要的。希望它有帮助..通过使用下面的代码,以前选择的入住和退房日期被禁用以选择。
例如,如果您选择01/02/2020到01/05/2020,那么这些持续时间将被阻止进行预订。但您可以选择01 / 01 / 2020到01 / 06 / 2020。
$('#from1').flatpickr({
allowInput: true,
dateFormat: "m/d/yy",
disable: [
{
from: "01/05/2020",
to: "01/08/2020"
}
], //your fetched checkin date
});
endPicker = flatpickr("#to1", {
allowInput: true,
dateFormat: "m/d/yy",
disable: [
{
from: "01/05/2020",
to: "01/08/2020"
}
], //your fetched checkin date
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://unpkg.com/flatpickr@4.6.3/dist/flatpickr.js"></script>
<link href="https://unpkg.com/flatpickr@4.6.3/dist/flatpickr.min.css" rel="stylesheet" />
<div class="form-group row">
<label for="date" class="col-4 col-form-label">Check in</label>
<div class="col-8">
<input id='from1' type='text' name='dateFrom1' data-date="" class='form-control datepickerChange' placeholder="Open date-picker" autocomplete="off" />
</div>
</div>
<div class="form-group row">
<label for="date" class="col-4 col-form-label">Check out</label>
<div class="col-8">
<input id='to1' type='text' name='dateTo1' data-date="" class='form-control datepickerChange' placeholder="Open date-picker" autocomplete="off" />
</div>
</div>
在下面,只允许选择以前选择的日期。例如,如果您选择01 / 02 / 2020到01 / 05 / 2020,那么您只能在日期之间进行选择
$('#from1').flatpickr({
onChange: function(selectedDates, dateStr, instance) {
endPicker.set('minDate', new Date("01/05/2020"));
},
minDate: new Date("01/05/2020"), //your fetched checkin date
allowInput: true,
dateFormat: "m/d/yy",
maxDate: new Date("01/08/2020"), //your fetched checkout date
});
endPicker = flatpickr("#to1", {
allowInput: true,
dateFormat: "m/d/yy",
minDate: new Date("01/05/2020"), //your fetched checkin date (may be same /may not) also assume checkin date is 01/04/2020
maxDate: new Date("01/08/2020"), //your fetched checkout date
});
flatpickr("#to2", {
allowInput: true,
mode: 'range',
dateFormat: "m/d/yy",
disable: [{
from: "01/05/2020",
to: "01/08/2020"
}],
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://unpkg.com/flatpickr@4.6.3/dist/flatpickr.js"></script>
<link href="https://unpkg.com/flatpickr@4.6.3/dist/flatpickr.min.css" rel="stylesheet" />
<div class="form-group row">
<label for="date" class="col-4 col-form-label">Check in</label>
<div class="col-8">
<input id='from1' type='text' name='dateFrom1' data-date="" class='form-control datepickerChange' placeholder="Open date-picker" autocomplete="off" />
</div>
</div>
<div class="form-group row">
<label for="date" class="col-4 col-form-label">Check out</label>
<div class="col-8">
<input id='to1' type='text' name='dateTo1' data-date="" class='form-control datepickerChange' placeholder="Open date-picker" autocomplete="off" />
</div>
<div class="form-group row">
<label for="date" class="col-4 col-form-label">Range mode check in Check in and Check out</label>
<div class="col-8">
<input id='to2' type='text' name='dateTo1' data-date="" class='form-control datepickerChange' placeholder="Open date-picker" autocomplete="off" />
</div>
</div>
当您在平板吸盘中使用范围模式时,它不允许您选择超出块日期。正如我在最后一个代码中添加的那样,您可以比较范围日期选择器
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