用户正在提交硬币，当他们这样做时，我希望将日期加载到用于跟踪提交时间的输入字段中。该日期将记录在mySQL数据库中。截止日期设置为下一个双月星期五（例如，截止日期为6月14日和6月28日。如果今天完成提交，则截止日期为6月28日。如果提交于6月30日完成，则截止日期为日期将是7月12日。我将整个表格包括在内，以便您能看到更大的图片。请随时进行调整。非常感谢您的帮助。
我可以调用javascript函数，并让用户从日历中选择日期，但这不是我所需要的。 Javascript - get a date from an HTML input，但我不确定如何将下一个截止日期的+14天串联起来。
CoinSubmission.html
<form action="AdminCoinSub_Code.php" method="POST">
<h1 id="litheader">Coin Submission</h1>
<div class="inset">
<input type="text" list="Store" name="Store" placeholder="Store">
<datalist id="store">
<option value="Causeway Bay">
<option value="Wan Chai">
<option value="Lai Chi Kok">
<option value="Tai Po">
</datalist>
<input type="text" list="Position" name="Position" placeholder="Position">
<datalist id="position">
<option value="1">
<option value="2">
<option value="3">
<option value="4">
</datalist>
<p>
<input type="text" name="Nickame" id="Nickname" placeholder="Nickname">
</p>
<p>
<input type="text" name="Contact" id="Contact" placeholder="Contact">
</p>
<p>
<input type="text" name="MachineCount" id="Machine Count" placeholder="Machine Count">
</p>
<p>
<input type="text" name="CutOffDate" id="CutOffDate" placeholder="Cut Off Date">
</p>
<p>
<input type="text" name="Coins" id="Coins" placeholder="Coins">
</p>
<p>
<input type="file" type="text" name="location" accept="image/*">
<div class="btnConfirm">
<input class="loginLoginValue" type="hidden" name="" value="" />
</div>
</div>
<div class="btnConfirm">
<input type="submit" onclick="location.href='CoinSubmission.php';" name="Submit" value="Confirm">
</div><br><br>
<div class="wrapper2">
<nav>
<ul>
<li><a href="AdminSubmission.php" class="active">SUBMISSION</a></li>
<li><a href="OccupancyListAdmin.php">OCCUPANCY</a></li>
<li><a href="#">ANALYTICS</a></li>
<li><a href="#">SEARCH</a></li>
</ul>
</nav>
</div>
</form>
AdminCoinSub_Code.php
<?php {
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "administrator_logins";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// prepare sql and bind parameters
$stmt = $conn->prepare("INSERT INTO admincoinsubmission (Store, Position, Nickname, Contact, MachineCount, CutOffDate, Coins, location)
VALUES ('$_POST[Store]','$_POST[Position]','$_POST[Nickame]','$_POST[Contact]','$_POST[MachineCount]','$_POST[CutOffDate]','$_POST[Coins]','$_POST[location]')");
$stmt->bindParam(':Store', $Store);
$stmt->bindParam(':Position', $Position);
$stmt->bindParam(':Nickname', $Nickname);
$stmt->bindParam(':Contact', $Contact);
$stmt->bindParam(':MachineCount', $MachineCount);
$stmt->bindParam(':CutOffDate', $CutOffDate);
$stmt->bindParam(':Coins', $Coins);
$stmt->bindParam(':location', $location);
$stmt->execute();
echo "Success";
}
catch(PDOException $e)
{
echo "Error: " . $e->getMessage();
}
$conn = null;
}
?>
When the page loads the date row in the coin submission form should display the cutoffdate.
date = (current date + cutoffdate)
答案 0 :(得分：1)
您可以使用类似的代码完成以下任务-
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Date +14 days</title>
</head>
<body>
<input type="date" name="date1" id="date1" value="" />
<input type="text" name="date2" id="date2" value="" />
<script type="text/javascript">
var date1 = document.getElementById("date1");
date1.addEventListener('change', function(){
tempDate = new Date(date1.value);
finalDate = tempDate.setDate(tempDate.getDate() + 14);
console.log(new Date(finalDate));
});
</script>
</body>
</html>
答案 1 :(得分：0)
要达到预期效果，请使用以下添加时间选项和 getTime（）方法并添加14天
var currentDate = new Date(new Date().getTime()+(14*24*3600000))
document.getElementById('CutOffDate').value = (currentDate.getDate()) +'/' + (currentDate.getMonth()+1) +'/'+ currentDate.getFullYear()
工作代码示例以供参考
var currentDate = new Date(new Date().getTime()+(14*24*3600000))
document.getElementById('CutOffDate').value = (currentDate.getDate()) +'/' + (currentDate.getMonth()+1) +'/'+ currentDate.getFullYear()<form action="AdminCoinSub_Code.php" method="POST">
<h1 id="litheader">Coin Submission</h1>
<div class="inset">
<input type="text" list="Store" name="Store" placeholder="Store">
<datalist id="store">
<option value="Causeway Bay">
<option value="Wan Chai">
<option value="Lai Chi Kok">
<option value="Tai Po">
</datalist>
<input type="text" list="Position" name="Position" placeholder="Position">
<datalist id="position">
<option value="1">
<option value="2">
<option value="3">
<option value="4">
</datalist>
<p>
<input type="text" name="Nickame" id="Nickname" placeholder="Nickname">
</p>
<p>
<input type="text" name="Contact" id="Contact" placeholder="Contact">
</p>
<p>
<input type="text" name="MachineCount" id="Machine Count" placeholder="Machine Count">
</p>
<p>
<input type="text" name="CutOffDate" id="CutOffDate" placeholder="Cut Off Date">
</p>
<p>
<input type="text" name="Coins" id="Coins" placeholder="Coins">
</p>
<p>
<input type="file" type="text" name="location" accept="image/*">
<div class="btnConfirm">
<input class="loginLoginValue" type="hidden" name="" value="" />
</div>
</div>
<div class="btnConfirm">
<input type="submit" onclick="location.href='CoinSubmission.php';" name="Submit" value="Confirm">
</div><br><br>
<div class="wrapper2">
<nav>
<ul>
<li><a href="AdminSubmission.php" class="active">SUBMISSION</a></li>
<li><a href="OccupancyListAdmin.php">OCCUPANCY</a></li>
<li><a href="#">ANALYTICS</a></li>
<li><a href="#">SEARCH</a></li>
</ul>
</nav>
</div>
</form>