To connect your Ionic Vue app to an Express backend server, you simply use HTTP requests like GET or POST from your app to your server using Axios or the native fetch API. First, make sure your Express server is running and has routes set up to handle requests. In your Vue code, install Axios with npm install axios, then import it and call your backend routes using the server’s URL, like axios.get or axios.post. Make sure your server has CORS enabled so it can accept requests from your mobile app. You can follow the official Ionic docs for Vue and also check the Express docs to better understand how requests and responses work.
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