"React home-made family barrels" Vii. react implement AJAX requests

First, download Axios plugin

Yarn Add Axios

　　

Ii. how the AJAX request code for react is placed

Recommended placement in the Componentdidmount () of the life cycle function

Third, the Ajax GET request

        Axios.get (' url ')            . Then (() =>{                //Success            alert (' success ');        })            . catch (() =>{            //Failed            alert (' false ');        })

Parse: The Url,then is the callback function that the request succeeds after it is placed inside the get, and the catch is the callback function that failed the request

"React home-made family barrels" Vii. react implement AJAX requests