Home >Backend Development >PHP Tutorial >The WeChat official account page can obtain the openid. Why does it show that jsapi must pass the openid after clicking to pay?
After following the public account on WeChat, there will be a unique openid. The output on the page always exists, but why does the output show return_code = fail return_msg=JSAPI must pass openid when submitting an order and clicking payment? God, please help me, it's urgent. .