Cross-domain issues with proxyTable in vue-cli project

This article mainly introduces a detailed summary of proxyTable cross-domain issues in the vue-cli project. Now I share it with you and give it a reference.

What is cross-domain?

The same-origin policy stipulates that if any of the protocols, domain names, and ports of two URLs are different, they are considered to be cross-origin.

What are the cross-domain solutions?

#1.JSONP is the abbreviation of JSON with padding (padded JSON or parameterized JSON).

The principle of JSONP to implement cross-domain requests is simply to dynamically create the