Wechat refund. The refund is successful but does not go through the callback. The callback address can be accessed normally.

Wechat refund. The refund is successful but does not go through the callback. The callback address is accessible

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Php
Jul.01,2022

notifications are made asynchronously, and Wechat has a periodic policy. Upload the parameter "notify_url" in the API for refund to enable this feature. Note whether it has not been received. Notify url that it must be a directly accessible url and cannot carry parameters.
specific code design reference Wechat refund result notification investigation.


whether to pass the refund result notification url parameter notify_url?


WeChat Pay refund API will not trigger a callback? Only the payment interface has a callback.


callback address to write public network


callback address is posted

  1. requires external network access
  2. URL cannot have ?
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MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b372a0-2c053.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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