由于有不少小伙伴要求在淘宝客插件上添加拼多多的商品推广功能，狗哥为了满足你们被迫递交了资料给拼多多。我一直不想接入拼多多的主要原因有两点，第一是需要实名认证，第二是它的接口写得及其不规范。在开发时也证明了接口十分难用，各大搜索引擎关于拼多多多多客推广接口的相关内容非常少，可想而知这东西好不好用。
下面以拼多多的商品详情接口为例，用实例告诉大家PHP如何使用拼多多的接口。多多进宝接口统一请求地址：https://gw-api.pinduoduo.com/api/router
首先看签名方法，拼多多的签名方式与其它大厂的签名方法有些区别，最明显的就是连接不需要符号。
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function Make_sign($params,$client_secret){
ksort($params);
$paramsStr = '';
array_walk($params, function ($item, $key) use (&$paramsStr) {
$paramsStr .= sprintf('%s%s', $key, $item);
});
$sign = strtoupper(md5(sprintf('%s%s%s',
$client_secret,
$paramsStr,
$client_secret
)));
return $sign;
}简单使用
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$data=array( 'type'=>'pdd.ddk.goods.detail', 'client_id'=>$client_id, 'timestamp'=>strval(time()), 'p_id'=>$p_id, 'goods_id_list'=>'[141449426]' ); $data['sign']=Make_sign($data,$client_secret);
到此，$data变量中存放的就是我们需要提交给拼多多服务器的数据，提交方式post，先准备一个post方法。
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// post请求
function curl_post($url, $curlPost)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $curlPost);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}简单使用
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$data=array( 'type'=>'pdd.ddk.goods.detail', 'client_id'=>$client_id, 'timestamp'=>strval(time()), 'p_id'=>$p_id, 'goods_id_list'=>'[141449426]' ); $data['sign']=Make_sign($data,$client_secret); $result=curl_post($url,$data); print_r($result);
将client_id、client_secret、p_id（推广位id）换成自己的就行了。下面是测试返回的数据。
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{
"goods_detail_response": {
"goods_details": [
{
"mall_coupon_remain_quantity": 0,
"plan_type": 2,
"category_name": "食品",
"coupon_remain_quantity": 18000,
"promotion_rate": 140,
"cat_ids": [
6398,
6399,
6410
],
"coupon_min_order_amount": 0,
"category_id": 1,
"service_tags": [
36,
37,
13
],
"mall_coupon_discount_pct": 0,
"mall_id": 781984,
"mall_name": "粒上皇官方旗舰店",
"coupon_total_quantity": 50000,
"mall_coupon_end_time": 0,
"mall_coupon_min_order_amount": 0,
"merchant_type": 3,
"lgst_txt": "高",
"goods_name": "【粒上皇-甘栗80g*4/6包】熟制板栗仁迁西板栗健康休闲零食特产",
"sales_tip": "2.7万",
"only_scene_auth": true,
"goods_gallery_urls": [
"https://img.pddpic.com/mms-material-img/2021-01-09/8078205f-d30a-412b-bb8b-5b9d76db42da.jpeg.a.jpeg",
"https://img.pddpic.com/mms-material-img/2020-08-18/51e39b7b-e37e-455e-8f87-4e9fb56db93e.jpeg.a.jpeg",
"https://img.pddpic.com/mms-material-img/2020-08-18/9dfe7b60-e9fd-4d19-ac77-60b2e88c70f2.jpeg.a.jpeg",
"https://t00img.yangkeduo.com/goods/images/2019-02-27/37f5f38d-a853-4e46-8d87-8db6883ff751.jpg",
"https://t00img.yangkeduo.com/goods/images/2019-02-27/2034a15f-97ac-46bc-b57f-10b2c7383d40.jpg",
"https://img.pddpic.com/mms-material-img/2021-01-09/9f46e982-07f8-4311-a5c4-9e53f8acde67.jpeg.a.jpeg",
"https://img.pddpic.com/mms-material-img/2021-01-09/ed3cd626-e257-4587-987c-1e09fc174e2e.jpeg.a.jpeg",
"https://img.pddpic.com/mms-material-img/2021-01-09/8144f023-38ce-416d-8ae8-dfc714e76003.jpeg.a.jpeg",
"https://img.pddpic.com/mms-material-img/2020-08-18/4fabd1b5-9de0-41b9-9322-f9a479913f8d.jpeg.a.jpeg"
],
"goods_id": 141449426,
"predict_promotion_rate": 140,
"desc_txt": "高",
"goods_desc": "【粒上皇-甘栗80g*4/6包】熟制板栗仁迁西板栗健康休闲零食特产",
"opt_name": "食品",
"share_rate": 0,
"goods_thumbnail_url": "https://t00img.yangkeduo.com/goods/images/2021-01-09/471a0d41bd1660dc2e9a3c3a95480b88.jpeg",
"opt_ids": [
1,
23553,
8836,
8584,
10696,
8585,
8586,
10700,
12,
22926,
22932,
22297,
10009,
219,
6366,
96,
21857,
10723,
11876,
228,
22953,
5867,
6389,
9975,
8569,
8570,
8571,
9979
],
"opt_id": 1,
"goods_image_url": "https://img.pddpic.com/mms-material-img/2021-01-09/8078205f-d30a-412b-bb8b-5b9d76db42da.jpeg.a.jpeg",
"has_mall_coupon": false,
"has_coupon": true,
"min_normal_price": 4480,
"mall_coupon_start_time": 0,
"serv_txt": "高",
"unified_tags": [
"正品险"
],
"video_urls": [
"https://video1.pinduoduo.com/i1/20190227/733433b9cac949da8bb614abca7b931a.mp4"
],
"mall_coupon_total_quantity": 0,
"mall_coupon_max_discount_amount": 0,
"coupon_start_time": 1600617600,
"min_group_price": 3880,
"mall_cps": 1,
"coupon_discount": 2100,
"goods_sign": "c9T2omIgpkZKDwEhwfHYm2Zb2uqh_JiENmf8rO",
"coupon_end_time": 1616428799,
"zs_duo_id": 0
}
],
"request_id": "16108831204286103"
}
}拼多多在接口文档上写的goods_id_list参数为长整型数组LONG[]，你能想到提交的时候需要写成'[123456789]'？更离谱的是goods_sign_list参数文档上写的字符串类型数组STRING[]，我测试了各种写法，没试出拼多多什么意思，无赖放弃。
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