字節跳動小程序擔保支付簡介

擔保交易是字節跳動為小程序開發者提供的小程序內支付能力，讓用戶能夠在電商、生活服務、知識付費等多種場景下，在小程序完成支付閉環，提升用戶的支付體驗，保障資金安全。 開發者在小程序平臺進行微信/支付寶進件后，字節跳動將會為開發者在微信和支付寶申請商戶號，開發者可以調用小程序的下單、結算（分賬）、退款等接口，完成支付的業務邏輯。

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接入流程

接入準備

文檔上寫的非常詳細，可參照文檔接入https://microapp.bytedance.com/docs/zh-CN/mini-app/develop/server/ecpay/TE

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小程序擔保支付接入-服務端

<?php

/**
 * 支付下單
 * 服務端預下單
 * @param $data
 */

public function dy_pay($data)
{
    $url = 'https://developer.toutiao.com/api/apps/ecpay/v1/create_order';
    $postdata['app_id'] = '您的appid';
    $postdata['out_order_no'] = $data['order_num'];//訂單號
    $postdata['total_amount'] = $data['all_price'];//支付金額
    $postdata['subject'] = '中文';
    $postdata['body'] = $data['body'];//備注
    $postdata['valid_time'] = 86400;//訂單有效時間
    $postdata['cp_extra'] = urlencode(json_encode(['aaa'=>234,'bbb'=>'aaa']));
    $postdata['notify_url'] = '回調地址;
    $postdata['thirdparty_id'] = '';
    $postdata['disable_msg'] = 0;
    $postdata['msg_page'] = 'asger';
    $postdata['store_uid'] = '1';
    $postdata['sign'] = $this->sign($postdata);//獲取簽名
    $res = $this->json_post($url, $postdata);
    print_r($res);
}


function sign($map) {
    $rList = array();
    foreach($map as $k =>$v) {
        if ($k == "other_settle_params" || $k == "app_id" || $k == "sign" || $k == "thirdparty_id")
            continue;
        $value = trim(strval($v));
        $len = strlen($value);
        if ($len > 1 && substr($value, 0,1)==""" && substr($value,$len, $len-1)==""")
            $value = substr($value,1, $len-1);
        $value = trim($value);
        if ($value == "" || $value == "null")
            continue;
        array_push($rList, $value);
    }
    array_push($rList, "您的擔保支付密鑰 在支付里的擔保交易設置里的SALT獲取");
    sort($rList, 2);
    return md5(implode('&', $rList));
}

function json_post($url, $data = NULL)
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    if (!$data) {
        return 'data is null';
    }
    if (is_array($data)) {
        $data = json_encode($data,320);
    }
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    curl_setopt($curl, CURLOPT_HEADER, 0);
    curl_setopt($curl, CURLOPT_HTTPHEADER, array(
        'Content-Type: application/json; charset=utf-8',
        'Content-Length:' . strlen($data),
        'Cache-Control: no-cache',
        'Pragma: no-cache'
    ));
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $res = curl_exec($curl);
    curl_close($curl);
    return $res;
}

?>

返回值

{
"err_no": 0,
"err_tips": "",
"data": {
"order_id": "6819903302604491021",
"order_token": "CgwIARDiDRibDiABKAESTgpMbBhsCG7V1MPGAvpICgUSyGcuNOVb/BnCOi9EXgAxIxDqLTwCA6Hd3tNrCde28o0qjmAJQsmLrD18ifr5QktalszSSmTpHCqEm3h55xoA"
}
}

小程序端

tt.pay({
orderInfo: {
order_id: "返回的data.order_id",
order_token:
"返回的data.order_token",
},
service: 5,
success(res) {
if (res.code == 0) {
// 支付成功處理邏輯，只有res.code=0時，才表示支付成功
// 但是最終狀態要以商戶后端結果為準
}
},
fail(res) {
// 調起收銀臺失敗處理邏輯
},
});

支付完成