Php 当我单击编辑按钮时，编辑表单中没有显示此错误
我得到以下错误：Php 当我单击编辑按钮时，编辑表单中没有显示此错误,php,mysql,Php,Mysql,我得到以下错误： 注意：未定义变量：第49行C:\xampp\htdocs\sites\admin\u panel\student\u center\u system\controller\admin\viewitems.php中的行 当我点击viewitem.php上的编辑按钮时，表单中没有显示任何内容，它是空的。此viewitems.php数据库连接工作正常，但问题是编辑表单。我已经因为编辑表单不工作的问题堆积了两天。有人能帮我吗？谢谢 查看项目 查看项目 项目Id 项目名称 描述 项目
注意：未定义变量：第49行C:\xampp\htdocs\sites\admin\u panel\student\u center\u system\controller\admin\viewitems.php中的行
当我点击viewitem.php上的编辑按钮时，表单中没有显示任何内容，它是空的。此viewitems.php数据库连接工作正常，但问题是编辑表单。我已经因为编辑表单不工作的问题堆积了两天。有人能帮我吗？谢谢
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<?php session_start();
include("../dbConfig.php");
include "navigation.php";
include "header.php";
include "footer.php";
{
}
$item_id = '';
$item_name = '';
$description = '';
$item_category = '';
$pic = '';
if (isset($_POST['updateitem']))
{
if (is_numeric($_POST['item_id']))
{
$item_id = $_POST['item_id'];
$item_name = mysql_real_escape_string(htmlspecialchars($_POST['item_name']));
$description = mysql_real_escape_string(htmlspecialchars($_POST['description']));
$item_category = mysql_real_escape_string(htmlspecialchars($_POST['item_category']));
$pic = mysql_real_escape_string(htmlspecialchars($_POST['pic']));
if ($item_name == '' || $description == '' || $item_category == '' || $pic == '')
{
$error = 'ERROR: Please fill in all required fields!';
valid($item_id, $item_name, $description, $item_category, $pic, $error);
}
else
{
mysql_query("UPDATE lost_items_table SET item_name = '$item_name', description = '$description', item_category = '$item_category', pic = '$pic' WHERE item_id = '$item_id'")
or die(mysql_error());
header("Location: viewitems.php");
}
}
else
{
echo 'Error!';
}
}
else
{
if (isset($_GET['item_id']) && is_numeric($_GET['item_id']) && $_GET['item_id'] > 0)
{
$item_id = $_GET['item_id'];
$result = mysql_query("SELECT * FROM lost_items_table WHERE item_id=$item_id")
or die(mysql_error());
$row = mysql_fetch_array($result);
if($row)
{
$item_name = $row['item_name'];
$description = $row['description'];
$item_category = $row['item_category'];
$pic = $row['pic'];
valid($item_id, $item_name, $description, $item_category, $pic,'');
}
else
{
echo "No results!";
}
}
else
{
echo 'Error!';
}
}
?>
<!-- Page Content -->
<div id="page-wrapper">
<div class="container-fluid">
<!-- /.row -->
<div class="row">
<!--div class="col-md-8 col-md-offset-4"-->
<div class="col-lg-6">
<div class="Register-panel panel panel-default">
<!--div class="panel panel-default"-->
<div class="panel-heading">
Edit Item
</div>
<div class="panel-body">
<div class="row">
<div class="col-lg-6">
<div class="panel-body">
<form role="form" action="adminPage.php">
<input type="text" name="item_id" value=<?php echo $item_id; ?> readonly><br>
<input type="text" name="item_name" required autofocus placeholder="Item-Name" value=<?php echo $item_name; ?>><br>
<input type="text" name="description" required autofocus placeholder="Description" value=<?php echo $description; ?>><br>
<input type="text" name="item_category" required autofocus placeholder="Item_category" valu
e=<?php echo $item_category; ?>><br>
<input type="text" name="pic" required autofocus placeholder="pic" value=<?php echo $pic; ?>><br>
<input type="submit" name="updateitemBtn" value="Update">
</form>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
mysql\u查询
哎哟mysql.*
函数不推荐使用，您应该切换到mysqli
或PDO。您不发布表单，而是尝试访问$\u POST['updateitem']
。此外，甚至没有名为updateitem
的输入。这一行：您是指$result1[“item\u id”]？？？我没有看到您在viewitems.php中声明$row，我使用了$result1，在editmaster.php中使用了$row
<?php session_start();
include("../dbConfig.php");
include "navigation.php";
include "header.php";
include "footer.php";
{
}
$item_id = '';
$item_name = '';
$description = '';
$item_category = '';
$pic = '';
if (isset($_POST['updateitem']))
{
if (is_numeric($_POST['item_id']))
{
$item_id = $_POST['item_id'];
$item_name = mysql_real_escape_string(htmlspecialchars($_POST['item_name']));
$description = mysql_real_escape_string(htmlspecialchars($_POST['description']));
$item_category = mysql_real_escape_string(htmlspecialchars($_POST['item_category']));
$pic = mysql_real_escape_string(htmlspecialchars($_POST['pic']));
if ($item_name == '' || $description == '' || $item_category == '' || $pic == '')
{
$error = 'ERROR: Please fill in all required fields!';
valid($item_id, $item_name, $description, $item_category, $pic, $error);
}
else
{
mysql_query("UPDATE lost_items_table SET item_name = '$item_name', description = '$description', item_category = '$item_category', pic = '$pic' WHERE item_id = '$item_id'")
or die(mysql_error());
header("Location: viewitems.php");
}
}
else
{
echo 'Error!';
}
}
else
{
if (isset($_GET['item_id']) && is_numeric($_GET['item_id']) && $_GET['item_id'] > 0)
{
$item_id = $_GET['item_id'];
$result = mysql_query("SELECT * FROM lost_items_table WHERE item_id=$item_id")
or die(mysql_error());
$row = mysql_fetch_array($result);
if($row)
{
$item_name = $row['item_name'];
$description = $row['description'];
$item_category = $row['item_category'];
$pic = $row['pic'];
valid($item_id, $item_name, $description, $item_category, $pic,'');
}
else
{
echo "No results!";
}
}
else
{
echo 'Error!';
}
}
?>
<!-- Page Content -->
<div id="page-wrapper">
<div class="container-fluid">
<!-- /.row -->
<div class="row">
<!--div class="col-md-8 col-md-offset-4"-->
<div class="col-lg-6">
<div class="Register-panel panel panel-default">
<!--div class="panel panel-default"-->
<div class="panel-heading">
Edit Item
</div>
<div class="panel-body">
<div class="row">
<div class="col-lg-6">
<div class="panel-body">
<form role="form" action="adminPage.php">
<input type="text" name="item_id" value=<?php echo $item_id; ?> readonly><br>
<input type="text" name="item_name" required autofocus placeholder="Item-Name" value=<?php echo $item_name; ?>><br>
<input type="text" name="description" required autofocus placeholder="Description" value=<?php echo $description; ?>><br>
<input type="text" name="item_category" required autofocus placeholder="Item_category" valu
e=<?php echo $item_category; ?>><br>
<input type="text" name="pic" required autofocus placeholder="pic" value=<?php echo $pic; ?>><br>
<input type="submit" name="updateitemBtn" value="Update">
</form>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>