php 向WooCommerce产品添加自定义字段

Posted 2021-05-05

<?php
/**
 * Adding Custom Fiels to Products and Variations
 */

    // Display Fields
    add_action( 'woocommerce_product_options_general_product_data', 'woo_add_custom_general_fields' );
    function woo_add_custom_general_fields() {
        global $woocommerce, $post;
        echo '<div class="options_group">';
            // Text Field
            woocommerce_wp_text_input( 
            	array( 
            		'id'          => '_text_field', 
            		'label'       => __( 'My Text Field', 'woocommerce' ), 
            		'placeholder' => 'http://',
            		'desc_tip'    => 'true',
            		'description' => __( 'Enter the custom value here.', 'woocommerce' ) 
            	)
            );
            
            // Number Field
            woocommerce_wp_text_input( 
            	array( 
            		'id'                => '_number_field', 
            		'label'             => __( 'My Number Field', 'woocommerce' ), 
            		'placeholder'       => '', 
            		'description'       => __( 'Enter the custom value here.', 'woocommerce' ),
            		'type'              => 'number', 
            		'custom_attributes' => array(
            				'step' 	=> 'any',
            				'min'	=> '0'
            			) 
            	)
            );
            
            // Textarea
            woocommerce_wp_textarea_input( 
            	array( 
            		'id'          => '_textarea', 
            		'label'       => __( 'My Textarea', 'woocommerce' ), 
            		'placeholder' => '', 
            		'description' => __( 'Enter the custom value here.', 'woocommerce' ) 
            	)
            );
            
            // Select
            woocommerce_wp_select( 
            array( 
            	'id'      => '_select', 
            	'label'   => __( 'My Select Field', 'woocommerce' ), 
            	'options' => array(
            		'one'   => __( 'Option 1', 'woocommerce' ),
            		'two'   => __( 'Option 2', 'woocommerce' ),
            		'three' => __( 'Option 3', 'woocommerce' )
            		)
            	)
            );
            
            // Checkbox
            woocommerce_wp_checkbox( 
            array( 
            	'id'            => '_checkbox', 
            	'wrapper_class' => 'show_if_simple', 
            	'label'         => __('My Checkbox Field', 'woocommerce' ), 
            	'description'   => __( 'Check me!', 'woocommerce' ) 
            	)
            );
            
            // Hidden field
            woocommerce_wp_hidden_input(
            array( 
            	'id'    => '_hidden_field', 
            	'value' => 'hidden_value'
            	)
            );
            
            // Product Select
            ?>
            <p class="form-field product_field_type">
            <label for="product_field_type"><?php _e( 'Product Select', 'woocommerce' ); ?></label>
            <select id="product_field_type" name="product_field_type[]" class="ajax_chosen_select_products" multiple="multiple" data-placeholder="<?php _e( 'Search for a product&hellip;', 'woocommerce' ); ?>">
            	<?php
            		$product_field_type_ids = get_post_meta( $post->ID, '_product_field_type_ids', true );
            		$product_ids = ! empty( $product_field_type_ids ) ? array_map( 'absint',  $product_field_type_ids ) : null;
            		if ( $product_ids ) {
            			foreach ( $product_ids as $product_id ) {
            				$product      = get_product( $product_id );
            				$product_name = woocommerce_get_formatted_product_name( $product );
            				echo '<option value="' . esc_attr( $product_id ) . '" selected="selected">' . esc_html( $product_name ) . '</option>';
            			}
            		}
            	?>
            </select> <img class="help_tip" data-tip='<?php _e( 'Your description here', 'woocommerce' ) ?>' src="<?php echo $woocommerce->plugin_url(); ?>/assets/images/help.png" height="16" width="16" />
            </p>
            <?php
            
            // Custom field Type
            ?>
            <p class="form-field custom_field_type">
            	<label for="custom_field_type"><?php echo __( 'Custom Field Type', 'woocommerce' ); ?></label>
            	<span class="wrap">
            		<?php $custom_field_type = get_post_meta( $post->ID, '_custom_field_type', true ); ?>	
            		<input placeholder="<?php _e( 'Field One', 'woocommerce' ); ?>" class="" type="number" name="_field_one" value="<?php echo $custom_field_type[0]; ?>" step="any" min="0" style="width: 80px;" />
            		<input placeholder="<?php _e( 'Field Two', 'woocommerce' ); ?>" type="number" name="_field_two" value="<?php echo $custom_field_type[1]; ?>" step="any" min="0" style="width: 80px;" />
            	</span>
            	<span class="description"><?php _e( 'Place your own description here!', 'woocommerce' ); ?></span>
            </p>
            <?php
        echo '</div>';
    }

    // Save Fields
    add_action( 'woocommerce_process_product_meta', 'woo_add_custom_general_fields_save' );
    function woo_add_custom_general_fields_save( $post_id ){
	
    	// Text Field
    	$woocommerce_text_field = $_POST['_text_field'];
    	if( !empty( $woocommerce_text_field ) )
    		update_post_meta( $post_id, '_text_field', esc_attr( $woocommerce_text_field ) );
    		
    	// Number Field
    	$woocommerce_number_field = $_POST['_number_field'];
    	if( !empty( $woocommerce_number_field ) )
    		update_post_meta( $post_id, '_number_field', esc_attr( $woocommerce_number_field ) );
    		
    	// Textarea
    	$woocommerce_textarea = $_POST['_textarea'];
    	if( !empty( $woocommerce_textarea ) )
    		update_post_meta( $post_id, '_textarea', esc_html( $woocommerce_textarea ) );
    		
    	// Select
    	$woocommerce_select = $_POST['_select'];
    	if( !empty( $woocommerce_select ) )
    		update_post_meta( $post_id, '_select', esc_attr( $woocommerce_select ) );
    		
    	// Checkbox
    	$woocommerce_checkbox = isset( $_POST['_checkbox'] ) ? 'yes' : 'no';
    	update_post_meta( $post_id, '_checkbox', $woocommerce_checkbox );
    	
    	// Custom Field
    	$custom_field_type =  array( esc_attr( $_POST['_field_one'] ), esc_attr( $_POST['_field_two'] ) );
    	update_post_meta( $post_id, '_custom_field_type', $custom_field_type );
    	
    	// Hidden Field
    	$woocommerce_hidden_field = $_POST['_hidden_field'];
    	if( !empty( $woocommerce_hidden_field ) )
    		update_post_meta( $post_id, '_hidden_field', esc_attr( $woocommerce_hidden_field ) );
    		
    	// Product Field Type
    	$product_field_type =  $_POST['product_field_type'];
    	update_post_meta( $post_id, '_product_field_type_ids', $product_field_type );
    	
    }