WooCommerce 使用相同的表单以编程方式上传产品数据和产品图片

Question

我已经为 WooCommerce 产品创建了一个产品上传表单，并且我已经设置了要分配给相应帖子的表单输入字段值，并且我已经成功地创建了一个新产品，所有详细信息都正确附加到它这里是表单数据的代码。

<form method="post">
   <div class="col-sm-6 form-group">
      <label for="name"> Title:</label>
      <input type="text" class="form-control" id="p_title" name="p_title" required>
   </div>
   <div class="row">
      <div class="col-sm-12 form-group">
         <label for="message"> Description:</label>
         <textarea class="form-control" type="textarea" name="p_description" id="message" maxlength="6000" rows="7" required></textarea>
      </div>
   </div>
   <div class="col-sm-6 form-group">
      <label for="name"> Product owner:</label>
      <input type="email" class="form-control" id="p_owner" name="p_owner" required>
   </div>
   <div class="row">
      <div class="col-sm-6 form-group">
         <label for="name"> Price</label>
         <input class="form-control" id="p_price" name="p_price" type="number" required min="0" value="0" step=".01" style="width: 100%;max-width: 80px;">
      </div>
      <div class="col-sm-6 form-group">
         <label for="email"> Shipping Class</label>
         <select class="form-control" id="co_currency" name="shipping_class">
            <option value="light-items">light-items</option>
            <option value="medium-items">medium-items</option>
            <option value="bulky-items">bulky-items</option>
         </select>
      </div>
   </div>
   <div class="row">
      <div class="col-sm-12 form-group" style="padding-top: 14px;">
         <input type="submit" name="new_product" method="post" value="Publish" style="padding-left: 27px;padding-right: 26px;">
      </div>
   </div>
</form>

这是用于创建新产品的 PHP 代码

<?php
if(isset($_POST['new_product'])){
 $new_p_name = $_POST['p_title'];
 $new_p_price = $_POST['p_price'];
 $new_p_owner = $_POST['p_owner'];
 $new_p_description = $_REQUEST['p_description'];

//echo "<script type='text/javascript'>alert('$file');</script>";
//echo "<script type='text/javascript'>alert('$new_p_description');</script>";
//echo "<script type='text/javascript'>alert('$new_p_name');</script>";
$post_id = wp_insert_post( array(
'post_title' => $new_p_name,
'post_content' => $new_p_description,
'post_status' => 'publish',
'post_type' => "product",
) );
wp_set_object_terms( $post_id, 'simple', 'product_type' );
update_post_meta( $post_id, '_visibility', 'visible' );
update_post_meta( $post_id, '_stock_status', 'instock');
update_post_meta( $post_id, 'total_sales', '0' );
update_post_meta( $post_id, '_downloadable', 'no' );
update_post_meta( $post_id, '_virtual', 'yes' );
update_post_meta( $post_id, '_regular_price', '' );
update_post_meta( $post_id, '_sale_price', '' );
update_post_meta( $post_id, '_purchase_note', '' );
update_post_meta( $post_id, '_featured', 'no' );
update_post_meta( $post_id, '_weight', '' );
update_post_meta( $post_id, '_length', '' );
update_post_meta( $post_id, '_width', '' );
update_post_meta( $post_id, '_height', '' );
update_post_meta( $post_id, '_sku', '' );
update_post_meta( $post_id, '_product_attributes', array() );
update_post_meta( $post_id, '_sale_price_dates_from', '' );
update_post_meta( $post_id, '_sale_price_dates_to', '' );
update_post_meta( $post_id, '_price', $new_p_price);
update_post_meta( $post_id, '_sold_individually', '' );
update_post_meta( $post_id, '_manage_stock', 'no' );
update_post_meta( $post_id, '_backorders', 'no' );
update_post_meta( $post_id, '_stock', '' );
update_post_meta( $post_id, 'user_id', $new_p_owner );
 }

但是现在当我必须附加产品特色图片时，我无法使用相同的表格并将图片附加到相应产品的$post_id 。 在做了一些研究之后，我发现了一个在 WordPress 媒体库中上传任何图像的解决方案。 这是工作代码示例。

/*upload image to media library in your function.php*/
add_shortcode( 'new_product_uploader', 'custom_product_upload' );
/*use above short code to call any where*/
function custom_product_upload(){
   return '<form action="' . get_stylesheet_directory_uri() . '/process_upload.php" method="post" enctype="multipart/form-data">
   Your Photo: <input type="file" name="profilepicture" size="25" />
   <input type="submit" name="submit" value="Submit" />
   </form>';
}

这里是 process_upload.php 文件中的脚本。

<?php
 
// WordPress environment
require( dirname(__FILE__) . '/../../../wp-load.php' );
 
$wordpress_upload_dir = wp_upload_dir();
// $wordpress_upload_dir['path'] is the full server path to wp-content/uploads/2017/05, for multisite works good as well
// $wordpress_upload_dir['url'] the absolute URL to the same folder, actually we do not need it, just to show the link to file
$i = 1; // number of tries when the file with the same name is already exists
 
$profilepicture = $_FILES['profilepicture'];
$new_file_path = $wordpress_upload_dir['path'] . '/' . $profilepicture['name'];
$new_file_mime = mime_content_type( $profilepicture['tmp_name'] );
 
if( empty( $profilepicture ) )
    die( 'File is not selected.' );
 
if( $profilepicture['error'] )
    die( $profilepicture['error'] );
 
if( $profilepicture['size'] > wp_max_upload_size() )
    die( 'It is too large than expected.' );
 
if( !in_array( $new_file_mime, get_allowed_mime_types() ) )
    die( 'WordPress doesn\'t allow this type of uploads.' );
 
while( file_exists( $new_file_path ) ) {
    $i++;
    $new_file_path = $wordpress_upload_dir['path'] . '/' . $i . '_' . $profilepicture['name'];
}
 
// looks like everything is OK
if( move_uploaded_file( $profilepicture['tmp_name'], $new_file_path ) ) {
 
 
    $upload_id = wp_insert_attachment( array(
        'guid'           => $new_file_path, 
        'post_mime_type' => $new_file_mime,
        'post_title'     => preg_replace( '/\.[^.]+$/', '', $profilepicture['name'] ),
        'post_content'   => '',
        'post_status'    => 'inherit'
    ), $new_file_path );
 
    // wp_generate_attachment_metadata() won't work if you do not include this file
    require_once( ABSPATH . 'wp-admin/includes/image.php' );
 
    // Generate and save the attachment metas into the database
    wp_update_attachment_metadata( $upload_id, wp_generate_attachment_metadata( $upload_id, $new_file_path ) );
    //echo "<img src=".$wordpress_upload_dir['url'] . '/' . basename( $new_file_path )." height=200 width=300 />";
    $new_image_url = $wordpress_upload_dir['url'] . '/' . basename( $new_file_path );
    echo "<script type='text/javascript'>alert('$new_image_url');</script>";
    // Show the uploaded file in browser
    //wp_redirect( $wordpress_upload_dir['url'] . '/' . basename( $new_file_path ) );
    header('Location: http://staging.toycycle.co/new-product-upload/');
    exit;
}
?>

现在，如果我在两个 forms 上组合该字段，则产品和图像都不会上传。 我认为问题在于<form enctype="multipart/form-data"> 。 如果我将它们放在单独的 forms 中并将一个表单数据调用到另一个表单数据中，那么它再次没有用。 任何人都可以帮助指导我在创建图像并将图像附加到产品时做错了什么。 或者任何其他使用相同表格附加产品图像和详细信息的方法？