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php - 执行插入查询后如何在 php 页面中添加产品

转载 作者:行者123 更新时间:2023-11-30 00:19:53 25 4
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php文件

 <?php
require_once('conn.php');
$itemId= (\filter_input(\INPUT_GET,'itemId'));
$sql="select img from getdesserticecream where itemId='$itemId'";
$res=mysqli_query($dbhandle,$sql);
//$row= \mysqli_fetch_array($res);
//$subtitle=$row['subtitle'];
$row= mysqli_fetch_assoc($res);
//mysqli_close($dbhandle);
header("Content-type: image");
stripslashes($row['img']);
?>

<html>
<head>
<title>Customer menu card</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" type="text/css" href="dessert.css">
</head>
<body>
<form id='custdisp' name='custdisp' method='post' onload='return display()' enctype="multipart/form-data">
<script src="samcheck.js"></script>
<div id="top">
<?php session_start(); ?>
<div id="toplbl">Welcome <?php echo $_SESSION["name"]?></div>
<?php session_start(); ?>
<div id="toplbl1">This is Table Number <?php echo $_SESSION["tnumber"]?></div>

<input type="hidden" style="position: absolute;top:200px;" value="<?php echo $_SESSION["custno"]?>">
</div>
<div id="container">

<div id="header" >
<img id="headerimage" src="../samproject/contentimg.jpg" alt="image"/>
<label id="headerlbl1">Order </label>
<label id="headerlbl2">Eat</label>
<label id="headerlbl3">Pay !!!! </label>
</div>

<nav>
<ul>
<li><a href='#'>Starter</a>
<ul>
<li><a href="customersvsoup.php">Veg</a></li>


<li><a href="customersnvsoup.php">NonVeg</a></li>
</ul>
</li>
<li><a href="#">Main Course</a>
<ul>
<li><a href="customermcvsundries.php">Veg</a></li>
<li><a href="customermcnvricedishes.php">NonVeg</a></li>
</ul>
</li>
<li><a href="customerdicecream.php">Dessert</a></li>
</ul>
</nav>
<div id="content">
<nav id="n1">
<ul id="ul1">
<li id="li1"> <a href="#">I want to see ----></a>

<ul id="ul2">
<li id="li2"><a href="customerdicecream.php">Ice cream</a></li>
<li id="li3"><a href="customerdsalad.php">Salad and Cakes</a></li>
<li id="li4"><a href="customerdshake.php">Milk shake</a></li>
</ul>
</ul>
</nav>

<div id="portfolio1">
<?php $sql1="select subtitle from dessert where itemId='oepd1007'";
$res1=mysqli_query($dbhandle,$sql1);
$row1= mysqli_fetch_array($res1);
$subtitle1=$row1['subtitle'];?> <?php echo $subtitle1 ?></div>
<div id="portfolio2">
<?php $sql2="select subtitle from dessert where itemId='oepd5148'";
$res2=mysqli_query($dbhandle,$sql2);
$row2= mysqli_fetch_array($res2);
$subtitle2=$row2['subtitle'];?> <?php echo $subtitle2 ?></div>
<div id="portfolio3">
<?php $sql3="select subtitle from dessert where itemId='oepd1004'";
$res3=mysqli_query($dbhandle,$sql3);
$row3= mysqli_fetch_array($res3);
$subtitle3=$row3['subtitle'];?> <?php echo $subtitle3 ?></div>
<div id="portfolio4">
<?php $sql4="select subtitle from dessert where itemId='oepd1008'";
$res4=mysqli_query($dbhandle,$sql4);
$row4= mysqli_fetch_array($res4);
$subtitle4=$row4['subtitle'];?> <?php echo $subtitle4 ?></div>
<div id="portfolio5">
<?php $sql5="select subtitle from dessert where itemId='oepd1522'";
$res5=mysqli_query($dbhandle,$sql5);
$row5= mysqli_fetch_array($res5);
$subtitle5=$row5['subtitle'];?> <?php echo $subtitle5 ?></div>
<div id="portfolio6">
<?php $sql6="select subtitle from dessert where itemId='oepd1002'";
$res6=mysqli_query($dbhandle,$sql6);
$row6= mysqli_fetch_array($res6);
$subtitle6=$row6['subtitle'];?> <?php echo $subtitle6 ?></div>
<div id="portfolio7">
<?php $sql7="select subtitle from dessert where itemId='oepd1003'";
$res7=mysqli_query($dbhandle,$sql7);
$row7= mysqli_fetch_array($res7);
$subtitle7=$row7['subtitle'];?> <?php echo $subtitle7 ?></div>
<div id="portfolio8">
<?php $sql8="select subtitle from dessert where itemId='oepd1001'";
$res8=mysqli_query($dbhandle,$sql8);
$row8= mysqli_fetch_array($res8);
$subtitle8=$row8['subtitle'];?> <?php echo $subtitle8 ?></div>
<div id="portfolio9">
<?php $sql9="select subtitle from dessert where itemId='oepd1005'";
$res9=mysqli_query($dbhandle,$sql9);
$row9= mysqli_fetch_array($res9);
$subtitle9=$row9['subtitle'];?> <?php echo $subtitle9 ?></div>
<div id="portfolio10">
<?php $sql10="select subtitle from dessert where itemId='oepd1010'";
$res10=mysqli_query($dbhandle,$sql10);
$row10= mysqli_fetch_array($res10);
$subtitle10=$row10['subtitle'];?> <?php echo $subtitle10 ?></div>
<div id="portfolio11">
<?php $sql11="select subtitle from dessert where itemId='oepd1011'";
$res11=mysqli_query($dbhandle,$sql11);
$row11= mysqli_fetch_array($res11);
$subtitle11=$row11['subtitle'];?> <?php echo $subtitle11 ?></div>
<div id="portfolio12">
<?php $sql12="select subtitle from dessert where itemId='oepd1006'";
$res12=mysqli_query($dbhandle,$sql12);
$row12= mysqli_fetch_array($res12);
$subtitle12=$row12['subtitle'];?> <?php echo $subtitle12 ?></div>
<ul id="grid">
<li>
<a href="samcheckdb.php?itemId=oepd1007"> <img src="getdesserticecreamimage.php?itemId=oepd1007" alt="image" id="img1"></a></li>
<li> <a href="samcheckdb.php?itemId=oepd5148"><img src="getdesserticecreamimage.php?itemId=oepd5148" alt="image" id="img2"></a></li>
<li> <a href="samcheckdb.php?itemId=oepd1004"> <img src="getdesserticecreamimage.php?itemId=oepd1004" alt="image" id="img3"></a> </li>
<li> <a href="samcheckdb.php?itemId=oepd1008"> <img src="getdesserticecreamimage.php?itemId=oepd1008" alt="image" id="img4" > </a></li>
<li> <a href="samcheckdb.php?itemId=oepd1522"> <img src="getdesserticecreamimage.php?itemId=oepd1522" alt="image" id="img5" ></a> <li>
<li><a href="samcheckdb.php?itemId=oepd1002"> <img src="getdesserticecreamimage.php?itemId=oepd1002" alt="image" id="img6" ></a> </li>
<li> <a href="samcheckdb.php?itemId=oepd1003"> <img src="getdesserticecreamimage.php?itemId=oepd1003" alt="image" id="img7"> </a></li>
<li> <a href="samcheckdb.php?itemId=oepd1001"> <img src="getdesserticecreamimage.php?itemId=oepd1001" alt="image" id="img8"></a></li>
<li> <a href="samcheckdb.php?itemId=oepd1005"> <img src="getdesserticecreamimage.php?itemId=oepd1005" alt="image" id="img9"></a> </li>
<li> <a href="samcheckdb.php?itemId=oepd1010"> <img src="getdesserticecreamimage.php?itemId=oepd1010" alt="image" id="img10"></a> </li>
<li> <a href="samcheckdb.php?itemId=oepd1011"> <img src="getdesserticecreamimage.php?itemId=oepd1011" alt="image" id="img11"> </a></li>
<li> <a href="samcheckdb.php?itemId=oepd1006"> <img src="getdesserticecreamimage.php?itemId=oepd1006" alt="image" id="img12"></a> </li>
</ul>

</div>
</div>
</form>
</body>
</html>

我已经从数据库中检索了所有图像并显示在 php 文件中,但是一旦将它们插入数据库,我就需要将图像显示在该文件中。

我通过提供 itemId 来完成此操作,但我不知道如何提供 $itemId 并检索所有图像..

最佳答案

尝试一下,在菜单关闭后立即输入以下代码:

  /* Your menu code */
</ul>
</nav>

<?php
$results = array();
$res = mysqli_query($dbhandle,'select subtitle,itemId from dessert');
# We are going to fetch all the subtitle and itemId from your table
while($row= mysqli_fetch_array($res)){
# And save it in an array
$results[] = array('subtitle'=>$row['subtitle'],'itemId'=>$row['itemId']);
}

# Now, let's display the portfolio div elements first
foreach($results as $key=>$val){
echo "<div id='portfolio{$key}'>".$val['subtitle']."</div>";
}

# And then the images:
echo "<ul id='grid'>";

#using the same array again but this time it will be the itemId
foreach($results as $key=>$val){
echo '<li><a href="samcheckdb.php?itemId='.$val['itemId'].'"><img src="getdesserticecreamimage.php?itemId='.$val['itemId'].'" alt="image" id="img'.$key.'"></a></li>';
}

?>

就这么简单。在所有数据库连接都很昂贵之后,您需要学会通过循环通用模式来缩短代码 - 利用更多的资源和时间。

关于php - 执行插入查询后如何在 php 页面中添加产品,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23324295/

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