What are the problems with ajax cross-domain requests?

ajax:

![clipboard.png](/img/bV9nQe

look forward to pointing out my mistakes

Mar.05,2021

the jsonp, you use returns json

you use jsonp to solve cross-domain problems, but the interface data returns not jsonp data format, but json, so there is an error reading. As shown in the figure is correct:

isn't your url supposed to be port 8081

is it a symbol error

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