The openid can be obtained on the WeChat official account page. why do I have to upload the openid when I click "pay" to display jsapi?

Source: Internet
Author: User
After paying attention to the public account, there will be a unique openid, and the output on the page will always exist. But why does the output display return_codefailreturn_msgJSAPI must be passed to the openid when you submit an order and click pay? I am in a hurry to help you .. There will be a unique openid after paying attention to the public account, and the output on the page always exists. But why does the output display return_code = fail return_msg = JSAPI required to pass the openid when the order is submitted and the payment is clicked? I am in a hurry to help you ..

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