📅  最后修改于: 2022-03-11 15:03:02.853000             🧑  作者: Mango
import { useEffect, useState } from 'react';
const useFetch = (url) => {
const [data, setData] = useState(null);
const [isLoading, setIsLoading] = useState(true);
const [error, setError] = useState(null);
useEffect(() => {
const abortCont = new AbortController();
fetch(url, { signal: abortCont.signal })
.then((res) => {
if (!res.ok) {
throw Error('Could not fetch the data for that resource');
}
return res.json();
})
.then((data) => {
setData(data);
setIsLoading(false);
setError(null);
})
.catch((err) => {
if (err.name === 'AbortError') {
console.log('Fetch aborted');
} else {
setError(err.message);
setIsLoading(false);
}
});
return () => abortCont.abort();
}, [url]);
return { data, isLoading, error };
};