我正在尝试创建一个允许用户输入信息的表单，然后上传图像以获取该信息。输入所有信息并附上图像后，如果按下提交按钮，我会收到此错误：
SQLSTATE [HY093]：参数号无效：参数未定义。
然而，无论如何都会上传图像，并且实际上没有任何内容插入到数据库中
在提交之前，我也收到此错误：
注意：未定义索引：图像输入 第5行的E：\ xampp \ htdocs \ authTest \ adminNewProperty.php
这是表格的代码：（adminNewProperty.php）
<?php
require_once 'dbconfig.php';
//var_dump($_FILES);
$target_dir = "images/";
$target_file = $target_dir . basename($_FILES["image"]["name"]);
$uploadOk = 1;
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
//Checks if the create new activity button was clicked, if it was, the entered data will be used to create a new activity
if(isset($_POST['button_CreateProperty']))
{
$check = getimagesize($_FILES["image"]["tmp_name"]);
$property_title = $_POST['title'];
$property_address = $_POST['address'];
$property_description = $_POST['description'];
$property_rent = $_POST['rent'];
$property_reference = $_POST['reference'];
$property_image = $_FILES['image']['name'];
//Error handling
//Checks if the activity name is empty, if it is, produce an error
if(strlen($property_title)=="")
{
$error[] = "Please enter a title for this property";
}
//Checks if the activity date is empty, if it is, produce an error
if($property_address=="")
{
$error[] = "Please enter the address for this property";
}
//Checks if the activity start time is empty, if it is, throw an error
if($property_description=="")
{
$error[] = "Please enter a description of this property";
}
//Checks if the activity end time is empty, if it is, throw an error
if($property_rent=="")
{
$error[] = "Please enter a description of the property";
}
//Checks if the activity description is empty
if($property_reference=="")
{
$error[] = "Please enter a reference for this property";
}
//IMAGE UPLOAD
if($check !== false)
{
echo "File is an image - " . $check["mime"] . ".";
$uploadOk = 1;
}
else
{
echo "File is not an image.";
$uploadOk = 0;
}
// Check if file already exists
if (file_exists($target_file))
{
echo "Sorry, file already exists.";
$uploadOk = 0;
}
// Check file size
if ($_FILES["image"]["size"] > 900000)
{
echo "Sorry, your file is too large.";
$uploadOk = 0;
}
// Allow certain file formats
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"&& $imageFileType != "gif" )
{
echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
$uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0)
{
echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else
{
if (move_uploaded_file($_FILES["image"]["tmp_name"], $target_file)) {
echo "The file ". basename( $_FILES["image"]["name"]). " has been uploaded.";
}
else
{
echo "Sorry, there was an error uploading your file.";
}
}
if (empty($error))
{
try
{
$stmt = $DB_con->prepare("SELECT * FROM property WHERE property_reference=:reference");
$stmt->execute(array(':reference'=>$property_reference));
$row=$stmt->fetch(PDO::FETCH_ASSOC);
if($row['reference']==$property_reference)
{
$error[] = "There is already a property with this reference!";
}
else
{
//if all entered data successfully validates, the property is created and the user is taken to the index
if(true === $property->new_property($property_title, $property_address, $property_description, $property_rent, $property_reference, $property_image))
{
$user->redirect('properties.php');
}
}
}
catch(PDOException $e)
{
$error[] = $e->getMessage();
}
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Guardian</title>
<!--Bootstrap 4 CSS-->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.3/css/bootstrap.min.css" integrity="sha384-MIwDKRSSImVFAZCVLtU0LMDdON6KVCrZHyVQQj6e8wIEJkW4tvwqXrbMIya1vriY" crossorigin="anonymous">
<!--Bootstrap 4 JS-->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.3/js/bootstrap.min.js" integrity="sha384-ux8v3A6CPtOTqOzMKiuo3d/DomGaaClxFYdCu2HPMBEkf6x2xiDyJ7gkXU0MWwaD" crossorigin="anonymous"> </script>
<!--Custom Styling-->
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div class="container">
<h1> New Property Listing </h1>
<?php echo implode('</br>', (array)$error) ?>
<form method="POST" enctype="multipart/form-data">
<div class="form-group">
<label for="name">Property Title:</label>
<input type="text" class="form-control" id="title" name="title" placeholder="Title of the Property" value="<?php if(isset($error)){echo $property_title;}?>">
</div>
<div class="form-group">
<label for="rent">Property Address:</label>
<input type="text" class="form-control" id="address" name="address" placeholder="Address for the property" value="<?php if(isset($error)){echo $property_address;}?>">
</div>
<div class="form-group">
<label for="address">Property Description:</label>
<input type="text" class="form-control" id="description" name="description" placeholder="Description of the property" value="<?php if(isset($error)){echo $property_description;}?>">
</div>
<div class="form-group">
<label for="reference">Property Rent:</label>
<input type="text" class="form-control" id="rent" name="rent" placeholder="Monthly rent for this property" value="<?php if(isset($error)){echo $property_rent;}?>">
</div>
<div class="form-group">
<label for="reference">Property Reference:</label>
<input type="text" class="form-control" id="reference" name="reference" placeholder="Unique identifier for this property" value="<?php if(isset($error)){echo $property_reference;}?>">
</div>
<div class="form-group">
<label for="image">Upload an Image:</label>
<input type="file" id="image" name="image" value="Upload Image">
<p class="help-block">Upload an image to be used with this property listing</p>
</div>
<button type="submit" class="btn btn-default" name="button_CreateProperty">Submit</button>
</form>
</div>
</body>
</html>
另外，这是我正在使用的课程：
<?php
class Property
{
private $db;
private $error;
//Create property class on execute, using database connection (DB_Con) in dbconfig.php
function __construct($DB_con)
{
$this->db = $DB_con;
}
public function new_property($property_title, $property_address, $property_description, $property_rent, $property_reference, $property_image)
{
try
{
//PDO statement that uses 'this' (the current user) to create a new user based on entered values
$stmt = $this->db->prepare("INSERT INTO property (property_title, property_address, property_description, property_rent, property_reference, property_image)
VALUES(:title, :address, :description, :rent, :reference, :name)");
$stmt->bindparam (":title" , $property_title);
$stmt->bindparam (":address" , $property_address);
$stmt->bindparam (":description" , $property_description);
$stmt->bindparam (":rent" , $property_rent);
$stmt->bindparam (":reference" , $property_reference);
$stmt->bindparam (":image" , $property_image);
$stmt->execute();
return $stmt;
}
catch(PDOException $e)
{
echo $e->getMessage();
}
}
}
谢谢！