我正在尝试在Elementor中创建基本的小部件。遵循开发人员文档创建新小部件时，会引发以下错误：
致命错误：找不到类“Elementor\\Widget\\u Base”
这是我的代码（大部分是从官方文件复制的）
Main plugin extension class:
<?php
/**
* Plugin Name: Deo Elementor Extension
* Description: Custom Elementor extension.
* Plugin URI: https://elementor.com/
* Version: 1.0.0
* Author: DeoThemes
* Author URI: https://elementor.com/
* Text Domain: deo-elementor-extension
*/
if ( ! defined( \'ABSPATH\' ) ) {
exit; // Exit if accessed directly.
}
/**
* Main Elementor Test Extension Class
*
* The main class that initiates and runs the plugin.
*
* @since 1.0.0
*/
final class Elementor_Test_Extension {
/**
* Plugin Version
*
* @since 1.0.0
*
* @var string The plugin version.
*/
const VERSION = \'1.0.0\';
/**
* Minimum Elementor Version
*
* @since 1.0.0
*
* @var string Minimum Elementor version required to run the plugin.
*/
const MINIMUM_ELEMENTOR_VERSION = \'2.0.0\';
/**
* Minimum PHP Version
*
* @since 1.0.0
*
* @var string Minimum PHP version required to run the plugin.
*/
const MINIMUM_PHP_VERSION = \'7.0\';
/**
* Instance
*
* @since 1.0.0
*
* @access private
* @static
*
* @var Elementor_Test_Extension The single instance of the class.
*/
private static $_instance = null;
/**
* Instance
*
* Ensures only one instance of the class is loaded or can be loaded.
*
* @since 1.0.0
*
* @access public
* @static
*
* @return Elementor_Test_Extension An instance of the class.
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Constructor
*
* @since 1.0.0
*
* @access public
*/
public function __construct() {
add_action( \'init\', [ $this, \'i18n\' ] );
add_action( \'plugins_loaded\', [ $this, \'init\' ] );
}
/**
* Load Textdomain
*
* Load plugin localization files.
*
* Fired by `init` action hook.
*
* @since 1.0.0
*
* @access public
*/
public function i18n() {
load_plugin_textdomain( \'elementor-test-extension\' );
}
/**
* Initialize the plugin
*
* Load the plugin only after Elementor (and other plugins) are loaded.
* Checks for basic plugin requirements, if one check fail don\'t continue,
* if all check have passed load the files required to run the plugin.
*
* Fired by `plugins_loaded` action hook.
*
* @since 1.0.0
*
* @access public
*/
public function init() {
// Check if Elementor installed and activated
if ( ! did_action( \'elementor/loaded\' ) ) {
add_action( \'admin_notices\', [ $this, \'admin_notice_missing_main_plugin\' ] );
return;
}
// Check for required Elementor version
if ( ! version_compare( ELEMENTOR_VERSION, self::MINIMUM_ELEMENTOR_VERSION, \'>=\' ) ) {
add_action( \'admin_notices\', [ $this, \'admin_notice_minimum_elementor_version\' ] );
return;
}
// Check for required PHP version
if ( version_compare( PHP_VERSION, self::MINIMUM_PHP_VERSION, \'<\' ) ) {
add_action( \'admin_notices\', [ $this, \'admin_notice_minimum_php_version\' ] );
return;
}
// Include plugin files
$this->includes();
// Register widgets
add_action( \'elementor/widgets/widgets_registered\', [ $this, \'register_widgets\' ] );
}
/**
* Admin notice
*
* Warning when the site doesn\'t have Elementor installed or activated.
*
* @since 1.0.0
*
* @access public
*/
public function admin_notice_missing_main_plugin() {
if ( isset( $_GET[\'activate\'] ) ) unset( $_GET[\'activate\'] );
$message = sprintf(
/* translators: 1: Plugin name 2: Elementor */
esc_html__( \'"%1$s" requires "%2$s" to be installed and activated.\', \'elementor-test-extension\' ),
\'<strong>\' . esc_html__( \'Elementor Test Extension\', \'elementor-test-extension\' ) . \'</strong>\',
\'<strong>\' . esc_html__( \'Elementor\', \'elementor-test-extension\' ) . \'</strong>\'
);
printf( \'<div class="notice notice-warning is-dismissible"><p>%1$s</p></div>\', $message );
}
/**
* Admin notice
*
* Warning when the site doesn\'t have a minimum required Elementor version.
*
* @since 1.0.0
*
* @access public
*/
public function admin_notice_minimum_elementor_version() {
if ( isset( $_GET[\'activate\'] ) ) unset( $_GET[\'activate\'] );
$message = sprintf(
/* translators: 1: Plugin name 2: Elementor 3: Required Elementor version */
esc_html__( \'"%1$s" requires "%2$s" version %3$s or greater.\', \'elementor-test-extension\' ),
\'<strong>\' . esc_html__( \'Elementor Test Extension\', \'elementor-test-extension\' ) . \'</strong>\',
\'<strong>\' . esc_html__( \'Elementor\', \'elementor-test-extension\' ) . \'</strong>\',
self::MINIMUM_ELEMENTOR_VERSION
);
printf( \'<div class="notice notice-warning is-dismissible"><p>%1$s</p></div>\', $message );
}
/**
* Admin notice
*
* Warning when the site doesn\'t have a minimum required PHP version.
*
* @since 1.0.0
*
* @access public
*/
public function admin_notice_minimum_php_version() {
if ( isset( $_GET[\'activate\'] ) ) unset( $_GET[\'activate\'] );
$message = sprintf(
/* translators: 1: Plugin name 2: PHP 3: Required PHP version */
esc_html__( \'"%1$s" requires "%2$s" version %3$s or greater.\', \'elementor-test-extension\' ),
\'<strong>\' . esc_html__( \'Elementor Test Extension\', \'elementor-test-extension\' ) . \'</strong>\',
\'<strong>\' . esc_html__( \'PHP\', \'elementor-test-extension\' ) . \'</strong>\',
self::MINIMUM_PHP_VERSION
);
printf( \'<div class="notice notice-warning is-dismissible"><p>%1$s</p></div>\', $message );
}
/**
* Include Files
*
* Load required plugin core files.
*
* @since 1.0.0
*
* @access public
*/
public function includes() {
require_once( __DIR__ . \'/widgets/test-widget.php\' );
//require_once( __DIR__ . \'/controls/test-control.php\' );
}
public function register_widgets() {
\\Elementor\\Plugin::instance()->widgets_manager->register_widget_type( new \\Elementor_oEmbed_Widget() );
}
}
Elementor_Test_Extension::instance();
Test widget class:
<?php
if ( ! defined( \'ABSPATH\' ) ) {
exit; // Exit if accessed directly.
}
class Elementor_oEmbed_Widget extends \\Elementor\\Widget_Base {
/**
* Get widget name.
*
* Retrieve oEmbed widget name.
*
* @since 1.0.0
* @access public
*
* @return string Widget name.
*/
public function get_name() {
return \'oembed\';
}
/**
* Get widget title.
*
* Retrieve oEmbed widget title.
*
* @since 1.0.0
* @access public
*
* @return string Widget title.
*/
public function get_title() {
return __( \'oEmbed\', \'plugin-name\' );
}
/**
* Get widget icon.
*
* Retrieve oEmbed widget icon.
*
* @since 1.0.0
* @access public
*
* @return string Widget icon.
*/
public function get_icon() {
return \'fa fa-code\';
}
/**
* Get widget categories.
*
* Retrieve the list of categories the oEmbed widget belongs to.
*
* @since 1.0.0
* @access public
*
* @return array Widget categories.
*/
public function get_categories() {
return [ \'general\' ];
}
/**
* Register oEmbed widget controls.
*
* Adds different input fields to allow the user to change and customize the widget settings.
*
* @since 1.0.0
* @access protected
*/
protected function _register_controls() {
$this->start_controls_section(
\'content_section\',
[
\'label\' => __( \'Content\', \'plugin-name\' ),
\'tab\' => \\Elementor\\Controls_Manager::TAB_CONTENT,
]
);
$this->add_control(
\'url\',
[
\'label\' => __( \'URL to embed\', \'plugin-name\' ),
\'type\' => \\Elementor\\Controls_Manager::TEXT,
\'input_type\' => \'url\',
\'placeholder\' => __( \'https://your-link.com\', \'plugin-name\' ),
]
);
$this->end_controls_section();
}
/**
* Render oEmbed widget output on the frontend.
*
* Written in PHP and used to generate the final HTML.
*
* @since 1.0.0
* @access protected
*/
protected function render() {
$settings = $this->get_settings_for_display();
$html = wp_oembed_get( $settings[\'url\'] );
echo \'<div class="oembed-elementor-widget">\';
echo ( $html ) ? $html : $settings[\'url\'];
echo \'</div>\';
}
}
