doxqszx09742
2017-12-05 05:41
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根据Woocommerce中的自定义购物车商品数据更改购物车商品价格

currently i create a form in product single page so that customer can enter height and width of the product . So the product price vary based on the entered height and width .

I created this form in

woocommerce->single-product->add-to-cart->simple.php

Before modification the form is

<form class="cart" method="post" enctype='multipart/form-data'>
    <?php
        /**
         * @since 2.1.0.
         */
        do_action( 'woocommerce_before_add_to_cart_button' );

        /**
         * @since 3.0.0.
         */
        do_action( 'woocommerce_before_add_to_cart_quantity' );

        woocommerce_quantity_input( array(
            'min_value'   => apply_filters( 'woocommerce_quantity_input_min', $product->get_min_purchase_quantity(), $product ),
            'max_value'   => apply_filters( 'woocommerce_quantity_input_max', $product->get_max_purchase_quantity(), $product ),
            'input_value' => isset( $_POST['quantity'] ) ? wc_stock_amount( $_POST['quantity'] ) : $product->get_min_purchase_quantity(),
        ) );

        /**
         * @since 3.0.0.
         */
        do_action( 'woocommerce_after_add_to_cart_quantity' );
    ?>

    <button type="submit" name="add-to-cart" value="<?php echo esc_attr( $product->get_id() ); ?>" class="single_add_to_cart_button button alt"><?php echo esc_html( $product->single_add_to_cart_text() ); ?></button>

    <?php
        /**
         * @since 2.1.0.
         */
        do_action( 'woocommerce_after_add_to_cart_button' );
    ?>
</form>

After modification form is

<form class="cart" method="post" enctype='multipart/form-data'>
    <p>width  <input type="text" name="new-width" class="new-width"></p>
    <p>Height <input type="text" name="new-height" class="new-height"></p>
        <?php
            /**
             * @since 2.1.0.
             */
            do_action( 'woocommerce_before_add_to_cart_button' );

            /**
             * @since 3.0.0.
             */
            do_action( 'woocommerce_before_add_to_cart_quantity' );

            woocommerce_quantity_input( array(
                'min_value'   => apply_filters( 'woocommerce_quantity_input_min', $product->get_min_purchase_quantity(), $product ),
                'max_value'   => apply_filters( 'woocommerce_quantity_input_max', $product->get_max_purchase_quantity(), $product ),
                'input_value' => isset( $_POST['quantity'] ) ? wc_stock_amount( $_POST['quantity'] ) : $product->get_min_purchase_quantity(),
            ) );

            /**
             * @since 3.0.0.
             */
            do_action( 'woocommerce_after_add_to_cart_quantity' );
        ?>

        <button type="submit" name="add-to-cart" value="<?php echo esc_attr( $product->get_id() ); ?>" class="single_add_to_cart_button button alt"><?php echo esc_html( $product->single_add_to_cart_text() ); ?></button>

        <?php
            /**
             * @since 2.1.0.
             */
            do_action( 'woocommerce_after_add_to_cart_button' );
        ?>
    </form>

After this i used the following code and for testing pupose i set value to 30 . But it is not working . what i missed ?

add_filter( 'woocommerce_add_cart_item' , 'set_woo_prices');

function set_woo_prices( $woo_data ) {

  if(isset( $_POST['new-width']))  { $woo_data['new-width'] =$_POST['new-width']; }
  if(isset( $_POST['new-height'])) { $woo_data['new-height'] =$_POST['new-height']; }
  if( $_POST['new-width'] !=="" && $_POST['new-height']!=="" ){

     $woo_data['data']->set_price( "30" ); 
    }
     return $woo_data;

}

Please advice . My aim is to change product price based on user entered width and height .

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