Wordpress Woocommerce 从自定义运输字段 (AJAX) 中获取价值 [英] Wordpress Woocommerce get value from custom shipping field (AJAX)

问题描述

所以我有一个使用 woocommerce 的电子商务，我使用自定义运输来跟踪运输费用.我已经添加了新的输入数据(选择).如下图所示:

So I have an ecommerce using woocommerce and I use custom shipping for track shipping fee. And I already add new input data (select). like you can see on below picture:

// Hook in
add_filter('woocommerce_checkout_fields', 'custom_override_checkout_fields');

// Our hooked in function - $fields is passed via the filter!
function custom_override_checkout_fields($fields) {

    $fields['billing']['billing_city'] = array(
        'type' => 'select',
        'label' => __('Kota / Kabupaten', 'woocommerce'),
        'required' => true,
        'class' => array('form-row-wide', 'address-field'),
        'clear' => true,
        'options' => array(
            '' => 'Pilih Kota / Kabupaten'
        )
    );
    $fields['shipping']['shipping_city'] = array(
        'type' => 'select',
        'label' => __('Kota / Kabupaten', 'woocommerce'),
        'required' => true,
        'class' => array('form-row-wide', 'address-field'),
        'clear' => true,
        'options' => array(
            '' => 'Pilih Kota / Kabupaten'
        )
    );


    $fields['billing']['billing_subdistrict'] = array(
        'type' => 'select',
        'label' => __('Kecamatan', 'woocommerce'),
        'required' => true,
        'class' => array('form-row-wide', 'address-field'),
        'clear' => true,
        'options' => array(
            '' => 'Pilih Kecamatan'
        )
    );

    $fields['shipping']['shipping_subdistrict'] = array(
        'type' => 'select',
        'label' => __('Kecamatan', 'woocommerce'),
        'required' => true,
        'class' => array('form-row-wide', 'address-field'),
        'clear' => true,
        'options' => array(
            '' => 'Pilih Kecamatan'
        )
    );


    return $fields;
}

Woocommerce 默认数据有 address_1、address_2、country、state、city，但我还需要一个名为 subdistrict 的数据.我不需要保存该数据(分区).但我需要使用该值作为跟踪运费的参数.

Woocommerce default data had address_1,address_2,country,state,city but I need one more data called subdistrict. I don't need to save that data (subdistrict). But I need to use that value as parameter for track shipping fee.

我已经创建了新的 class-custom-shipping-delivery.php.我已经确保该函数完美运行，因为我已经尝试手动设置 $subdistrict 数据.

I already create new class-custom-shipping-delivery.php. and I already make sure that function work perfectly because I already try to set $subdistrict data manually.

//custom-shipping.php
$province = $package['destination']['state'];
$city = $package['destination']['city'];

$subdistrict= 'something';
//How to get the data from custom field (ajax) 
//because I need to see the shipping fee result before Checkout (and update it to add rate)


$destination_code = $this->getDestinationCode($province,$city,$subdistrict);

$ongkir = $this->cek_ongkir($origin,$destination_code,$weight);

//print_r();

// send the final rate to the user. 
$this->add_rate(array(
    'id' => $this->id,
    'label' => $this->title,
    'cost' => $ongkir
));

总结:

如何从分区输入类型选择中获取值(在结帐页面上)?

How to get Value from Subdistrict Input type select (on checkout page)?

对不起，我只是从另一个人的作品中编辑，所以我根本不理解该代码.但我认为他们忘记获取该值，因为他们只是对其进行了硬编码，而且我是 wordpress 的新手，所以我不知道如何在结帐表单上传递数据.

Sorry I just edit from another person work so I'm not understand that code at all. But I think they forgot to get that value because they just hardcode it and I'm a newbie on wordpress so I don't know how to pass data on checkout form.

推荐答案

搜索了一段时间后，我得到了答案.

After searching the answer for a while then I get the answer.

所以总结一下:以上答案使用会话从运输自定义字段(ajax)中获取数据.所以当 AJAX 运行时.我将subdistrict"字段的值发送到函数并将其保存到会话中.

So for Summary it: Above answer use session to get the data from shipping custom field (ajax). So when AJAX run. I send value of 'subdistrict' field to function and save it to session.

function ajax_process($subdistrict){
   //some code
   session_start();
   $_SESSION['subdistrict'] = $subdistrict;
}

然后为了从其他函数中获取会话数据，我运行此代码:

then for get the session data from other function I run this code :

@session_start();
$subdistrict = $_SESSION['subdistrict'];

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