微信小微商戶申請入駐接口PHP示例

 參考文檔爲微信平臺小微入駐文檔 

https://pay.weixin.qq.com/wiki/doc/api/xiaowei.php?chapter=19_2

/**
 * publicKeyEncrypt 對身份證等敏感信息加密
 * @param string $string
 * @return string
 * @throws WxException
 */
protected function publicKeyEncrypt(string $string)
{
    $crypted   = '';
    $publicKey = $this->getPublicKey();
    if ($publicKey) {
        $publicKeyResource = openssl_get_publickey($publicKey);
        $f                 = openssl_public_encrypt($string, $crypted, $publicKeyResource, OPENSSL_PKCS1_PADDING);
        openssl_free_key($publicKeyResource);
        if ($f) {
            return base64_encode($crypted);
        }
    }
    throw new WxException(20002);
}

/**
 * MakeSign 生成簽名
 * @param $data
 * @param string $signType
 * @return string
 */
protected function makeSign(array $data, $signType = 'HMAC-SHA256')
{

    //簽名步驟一：按字典序排序參數
    ksort($data);

    $string = $this->toUrlParams($data);
    //簽名步驟二：在string後加入KEY
    $string = $string . "&key=" . $this->diy_key;//. $this->aes_key;
    //簽名步驟三：MD5加密或者HMAC-SHA256
    if ($signType == 'md5') {
        //如果簽名小於等於32個,則使用md5驗證
        $string = md5($string);
    } else {
        //是用sha256校驗
        $string = hash_hmac("sha256", $string, $this->diy_key);
    }
    //簽名步驟四：所有字符轉爲大寫
    $result = strtoupper($string);
    return $result;
}

/**
 * applyEnter 申請入駐小微商戶
 * @return mixed
 */
public function applyEnter(array $params)
{
    // 校驗參數
    if (!$this->checkParams($params)) {
        throw new WxException(20004);
    }
    // 校驗銀行卡號前綴是否支持
    if ($this->accountNumberIsSupport($params['account_number'] ?? '')) {
        throw new WxException(20003);
    }
	
    $data = [
        'version'                => '2.0',
        'cert_sn'                => $this->newResponseData()['serial_no'],
        'mch_id'                 => $this->mch_id,
        'nonce_str'              => $this->getRandChar(),
        'sign_type'              => 'HMAC-SHA256',
        'sign'                   => '',
        'business_code'          => $this->getBusinessCode(),    // 業務申請編號
        'id_card_copy'           => $params['id_card_copy'],    // 身份證人像面照片  media_id
        'id_card_national'       => $params['id_card_national'],    // 身份證國徽面照片
        'id_card_name'           => $this->publicKeyEncrypt($params['id_card_name']),
        'id_card_number'         => $this->publicKeyEncrypt($params['id_card_number']),
        'id_card_valid_time'     => $params['id_card_valid_time'],    // '["1970-01-01","長期"]' string(50)
        'account_name'           => $this->publicKeyEncrypt($params['account_name']),
        'account_bank'           => $params['account_bank'],
        'bank_address_code'      => $params['bank_address_code'],
        'bank_name'              => $params['bank_name'] ?? '',
        'account_number'         => $this->publicKeyEncrypt($params['account_number']),
        'store_name'             => $params['store_name'],
        'store_address_code'     => $params['store_address_code'],
        'store_street'           => $params['store_street'],
        'store_longitude'        => $params['store_longitude'] ?? '',
        'store_latitude'         => $params['store_latitude'] ?? '',
        'store_entrance_pic'     => $params['store_entrance_pic'],
        'indoor_pic'             => $params['indoor_pic'],
        'address_certification'  => $params['address_certification'] ?? '',
        'merchant_shortname'     => $params['merchant_shortname'],
        'service_phone'          => $params['service_phone'],
        'business'               => $params['business'],
        'product_desc'           => $params['product_desc'] ?? '',
        'qualifications'         => $params['qualifications'] ?? '',
        'rate'                   => $params['rate'],
        'business_addition_desc' => $params['business_addition_desc'] ?? '',
        'business_addition_pics' => $params['business_addition_pics'] ?? '',    // ["123","456"] 最多可上傳5張照片，請填寫已預先上傳圖片生成好的MediaID
        'contact'                => $this->publicKeyEncrypt($params['contact']),
        'contact_phone'          => $this->publicKeyEncrypt($params['contact_phone']),
        'contact_email'          => isset($params['contact_email']) && !empty($params['contact_email']) ? $this->publicKeyEncrypt($params['contact_email']) : '',
    ];
    // 簽名
    $data['sign'] = $this->makeSign($data, $data['sign_type']);
    $url          = self::WXAPIHOST . 'applyment/micro/submit';
    // 數組轉xml
    $xml          = $this->toXml($data);
    // 發起入駐申請請求
    $res = $this->httpsRequest($url, $xml, [], true);
    // 處理返回值
    return $this->disposeReturn($res, ['applyment_id'], ['business_code' => $data['business_code']]);
}