我对 PHP 比较陌生。我需要一键点击将多张图像上传到数据库。这是代码。我知道我必须添加一个 foreach 循环来单独浏览每个图像(单独插入图像),但我似乎找不到插入 for 每个循环的正确位置。任何答案将不胜感激。
<?php
error_reporting( ~E_NOTICE ); // avoid notice
require_once 'dbconfig.php';
if(isset($_POST['btnsave']))
{
$carname = $_POST['car_name'];// car name
$carmodel = $_POST['car_model'];// car model
$caramount = $_POST['car_amount'];// car amount
$imgFile = $_FILES['car_image']['name'];
$tmp_dir = $_FILES['car_image']['tmp_name'];
$imgSize = $_FILES['car_image']['size'];
if(empty($carname)){
$errMSG = "Please Enter Name of the Car.";
}
else if(empty($carmodel)){
$errMSG = "Please Enter Model Number of the car.";
}
else if(empty($caramount)){
$errMSG = "Please Enter the cost of the car.";
}
else if(empty($imgFile)){
$errMSG = "Please Select Image File.";
}
else
{
$upload_dir = 'user_images/'; // upload directory
$imgExt = strtolower(pathinfo($imgFile,PATHINFO_EXTENSION)); // get image extension
// valid image extensions
$valid_extensions = array('jpeg', 'jpg', 'png', 'gif'); // valid extensions
// rename uploading image
$carpic = rand(1000,1000000).".".$imgExt;
// allow valid image file formats
if(in_array($imgExt, $valid_extensions)){
// Check file size '5MB'
if($imgSize < 5000000) {
move_uploaded_file($tmp_dir,$upload_dir.$carpic);
}
else{
$errMSG = "Sorry, your file is too large.";
}
}
else{
$errMSG = "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
}
}
// if no error occured, continue ....
if(!isset($errMSG))
{
$stmt = $DB_con->prepare('INSERT INTO tbl_cars(carName,carModel,carAmount,carPic) VALUES(:cname, :cmodel, :camount, :cpic)');
$stmt->bindParam(':cname',$carname);
$stmt->bindParam(':cmodel',$carmodel);
$stmt->bindParam(':camount',$caramount);
$stmt->bindParam(':cpic',$carpic);
if($stmt->execute())
{
$successMSG = "new record succesfully inserted ...";
header("refresh:5;car_display.php"); // redirects image view page after 5 seconds.
}
else
{
$errMSG = "error while inserting....";
}
}
}
?>
我知道我需要为每个循环添加一个简单的,但执行失败了。 谁来救救我
这是上传的 HTML 位
<tr>
<td><label class="control-label">Car Img.</label></td>
<td><input class="input-group" type="file" name="car_image" multiple="multiple" accept="image/*" /></td>
最佳答案
您需要在 html 中指定它将是一个文件数组 然后在你的php中调用foreach,基本上帖子将是一个数组。
我的示例没有使用 PDO 或适应您的示例,但它可以上传多个文件。
PHP:
<?php
if(isset($_FILES['files'])){
$errors= array();
foreach($_FILES['files']['tmp_name'] as $key => $tmp_name ){
$file_name = $key.$_FILES['files']['name'][$key];
$file_size =$_FILES['files']['size'][$key];
$file_tmp =$_FILES['files']['tmp_name'][$key];
$file_type=$_FILES['files']['type'][$key];
if($file_size > 2097152){
$errors[]='File size must be less than 2 MB';
}
$query="INSERT into upload_data (`USER_ID`,`FILE_NAME`,`FILE_SIZE`,`FILE_TYPE`) VALUES('$user_id','$file_name','$file_size','$file_type'); ";
$desired_dir="user_data";
if(empty($errors)==true){
if(is_dir($desired_dir)==false){
mkdir("$desired_dir", 0700); // Create directory if it does not exist
}
if(is_dir("$desired_dir/".$file_name)==false){
move_uploaded_file($file_tmp,"user_data/".$file_name);
}else{ //rename the file if another one exist
$new_dir="user_data/".$file_name.time();
rename($file_tmp,$new_dir) ;
}
mysql_query($query);
}else{
print_r($errors);
}
}
if(empty($error)){
echo "Success";
}
}
?>
HTML
<form action="yourphpfile.php" method="POST" enctype="multipart/form-data">
<input type="file" name="files[]" multiple="" />
<input type="submit"/>
</form>
关于php - 上传多张图片到mysql数据库,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47331704/