Php 如何使用特定引导4卡的内容更新sql中的特定行?
我有以下数据库: |基金名称|基金描述|收到金额|实际金额| 使用PHP进行引导:Php 如何使用特定引导4卡的内容更新sql中的特定行?,php,jquery,sql,ajax,bootstrap-4,Php,Jquery,Sql,Ajax,Bootstrap 4,我有以下数据库: |基金名称|基金描述|收到金额|实际金额| 使用PHP进行引导: <div class="card-deck"> <?php $sql = "SELECT * FROM fundraiser;"; $result = mysqli_query($conn,$sql); while($row = mysqli_fetch_as
<div class="card-deck">
<?php
$sql = "SELECT * FROM fundraiser;";
$result = mysqli_query($conn,$sql);
while($row = mysqli_fetch_assoc($result)){
echo '<div class="card">
<img class="card-img-top" >
<div class="card-body text-center">
<h5 class="card-title">'.$row['fund_name'].'</h5>
<div class="card-text">
<p>'.$row['fund_description'].'</p>
<h6>Amount:'.$row['actual_amount'].'</h6>
<div class="progress">
<div class="progress-bar" role="progressbar"
style="width:'.$row['amount_received'].'%;"aria-
valuenow="0" aria-valuemin="0" aria-
valuemax="1000">
</div>
</div>
<div class="mt-2">
<button type="button" class="btn btn-md btn-primary" data-
toggle="modal" data-target="#exampleModalCenter"> Donate
</button>
</div>
</div>
</div>
</div>';
}
?>
</div>
<!-- Modal -->
<div class="modal fade" id="exampleModalCenter" tabindex="-1"
role="dialog" aria-labelledby="exampleModalCenterTitle" aria-
hidden="true">
<div class="modal-dialog modal-dialog-centered" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLongTitle">Modal
title</h5>
<button type="button" class="close" data-dismiss="modal" aria-
label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<form>
<div class="form-group">
<label for="formGroupExampleInput">Enter Amount</label>
<input type="number" class="form-control" id="formGroupExampleInput"
placeholder="Enter Amount">
</div>
<div class="form-group">
<input type="submit" class="form-control btn btn-primary btn-small"
id="formGroupExampleInput" >
</div>
</form>
</div>
</div>
</div>
</div>
</div>
情态动词
标题
&时代;
输入金额
在我上面的代码中,我从数据库中获取数据,并使用bootstrap 4显示募捐者。每个筹款者都使用卡片显示,每张卡片都有一个捐赠按钮。“捐赠”按钮链接到一个模式,该模式有一个向募捐者支付金额的表单
我的问题是如何区分正在付款的特定卡的“捐赠”按钮,以便我可以在数据库中为特定行的筹款人存储“收到的金额”字段?您可以使用
数据id
存储每个筹款人的id。当用户单击按钮打开模式时,您将获得data-id的值。在模式表单中,我添加
来存储data-id。请尝试以下代码:
以下是php数组中数据的复制:
<?php
$fundraiser = array(
array('id'=>1,'fundname'=>"Anyname","description"=>"About fund","actual_amount"=>50.00,'amount_receive'=>40),
array('id'=>2,'fundname'=>"Anyname2","description"=>"About fund3","actual_amount"=>100.00,'amount_receive'=>90),
array('id'=>3,'fundname'=>"Anyname3","description"=>"About fund3","actual_amount"=>20.00,'amount_receive'=>10)
);
?>
HTML:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="card-deck">
<?php
foreach($fundraiser as $key=>$val):
echo '<div class="card">
<img class="card-img-top" >
<div class="card-body text-center">
<h5 class="card-title">'.$val['fundname'].'</h5>
<div class="card-text">
<p>'.$val['description'].'</p>
<h6>Amount:'.$val['actual_amount'].'</h6>
<div class="progress">
<div class="progress-bar" role="progressbar"
style="width:'.$val['amount_receive'].'%;"aria-
valuenow="0" aria-valuemin="0" aria-
valuemax="1000">
</div>
</div>
<div class="mt-2">
<button type="button" class="btn btn-md btn-primary fundid" data-toggle="modal" data-target="#exampleModalCenter" data-id="'.$val['id'].'"> Donate
</button>
</div>
</div>
</div>
</div>';
endforeach; ?>
</div>
<!-- Modal -->
<div class="modal fade" id="exampleModalCenter" role="dialog">
<div class="modal-dialog">
<!-- Modal content-->
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title">Modal Header</h4>
<button type="button" class="close" data-dismiss="modal">×</button>
</div>
<form method="POST" action='updatedb.php'>
<div class="modal-body">
<div class="form-group">
<label for="formGroupExampleInput">Enter Amount</label>
<input type="number" name="amount" class="form-control" id="formGroupExampleInput" placeholder="Enter Amount">
</div>
<input type="hidden" name="fundid" id="fundid">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="submit" class="form-control btn btn-primary btn-small" id="formGroupExampleInput">Submit</button>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
引导示例
模态头
&时代;
输入金额
接近
提交
获取数据id并存储在表单中
<script type="text/javascript">
$('.fundid').on('click', function (e) {
$('#fundid').val($(this).attr("data-id"));
});
$('.fundid')。在('click',函数(e)上{
$('#fundid').val($(this.attr(“数据id”));
});
我们不想在关闭模式对话框时留下数据id的痕迹
$('#exampleModalCenter').on('hidden.bs.modal', function () {
$('#fundid').val('');
});
</script>
$('exampleModalCenter').on('hidden.bs.modal',function(){
$('#fundid').val('');
});
提交表单时,它会将数据提交到updatedb.php。在updatedb.php中,要获取表单数据:
updatedb.php的内容
<?php
$fundid = $_POST['fundid'];
$amount = $_POST['amount'];
echo "ID=>".$fundid."<br> Amount=>".$amount;
?>
我还有一个疑问,当我们在modal中提交表单时,是否将此数据id分配给modal。因为数据必须转到sql中的特定行。为什么不自己试试呢?然后,如果它不起作用,您可以在此处与错误共享…我收到此错误“无法读取未定义的属性“val”。我在重复php中的卡片。当我按下按钮时,会出现以下错误。我已定义了数据id,但它显示了错误。实际上,我已在脚本“$”(“#fundid”).attr('name').val($(this.attr('data id”);”中更改了此项,在我的php中,剩下的一切都是一样的。我正在尝试将数据id值分配给基金id元素的名称。是否使用ajax提交表单?