guzzle json 请求

use GuzzleHttpClient;

$guzzle = new Client();

$header = [
    'Content-Type' => 'application/json',
    'appKey'=> $app_key,
    'timestamp' => $timestamp,
    'sign' => $sign
];

$data = [
    'orderNo' => $ccic_order['third_order_no'],
    'voucherNo' => $ccic_order['voucher_no'],
    'userNo' => $ccic_order['ecif_id'],
    'productCode' => $ccic_order['service_id'],
    'orderType' => 1,
    'orderStatus' => 3, // 0:未使用，自费券购买后默认状态 1:使用中 2:使用完成 3:取消
    'ownExpense' => 1,
    'callbackType' => 2,
];

$response = $guzzle->post($callback_url, [
　　　　'headers' => $header,
　　　　'json' => $data
]);

$res = json_decode($response->getBody()->getContents(),true);

Seaslog::info("请求结果：" . json_encode($res, JSON_UNESCAPED_UNICODE));

guzzle官方文档传送门：https://guzzle-cn.readthedocs.io/zh_CN/latest/