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Home > Backend Development > PHP Tutorial > When WeChat payment is completed, the parameter received by notify_url does not contain product_id. It gives an openid. What should I do if I am a mobile phone user?

When WeChat payment is completed, the parameter received by notify_url does not contain product_id. It gives an openid. What should I do if I am a mobile phone user?

WBOY
Release： 2016-08-26 10:28:25
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这是发给我的数据：













2


回复内容：

这是发给我的数据：













2


首先，out_trade_no是你自己生成的，你可以根据这个number去找到相应的数据库数据(你不可能自己不保存吧)
另外生成订单时，用attach来添加额外参数，在通知时会原样返回。

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