通过PHP对接京东工业平台API接口，快速实现库存管理功能！

<?php

class JdApi {
  private $app_key;
  private $app_secret;

  public function __construct($app_key, $app_secret) {
    $this->app_key = $app_key;
    $this->app_secret = $app_secret;
  }

  private function curlRequest($url, $data) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
  }

  public function getAccessToken() {
    $url = 'https://oauth.jd.com/oauth/token';
    $data = array(
      'grant_type' => 'access_token',
      'client_id' => $this->app_key,
      'client_secret' => $this->app_secret
    );
    $result = $this->curlRequest($url, $data);
    return $result;
  }

  public function updateStock($sku, $stock) {
    $url = 'https://api.jd.com/routerjson';
    $data = array(
      'access_token' => $this->getAccessToken(),
      'method' => 'jingdong.pop.customs.center.inventory.regist',
      '360buy_param_json' => json_encode(array(
        'sku' => $sku,
        'stock' => $stock
      ))
    );
    $result = $this->curlRequest($url, $data);
    return $result;
  }
}
?>

<?php
require_once 'JdApi.php';

// 替换成自己的app_key和app_secret
$app_key = 'your_app_key';
$app_secret = 'your_app_secret';

$api = new JdApi($app_key, $app_secret);

// 获取访问令牌
$access_token = $api->getAccessToken();

// 更新库存信息
$sku = 'your_sku';
$stock = 100;
$result = $api->updateStock($sku, $stock);

echo $result;
?>