我有此代码
export const SearchWidget = memo(() => {
. . .
const requestedProduct = useSelector(state => state.coverage.requestedProduct);
. . .
const addSearchWidget = () => {
search = new Search({
view: mapView,
sources: [
locatorSearchResource
],
container: searchContainer.current
});
search.on('select-result', (data) => {
dispatch(actions.registerFoundLocation({
id: generateUniqueId(),
x: attr.x,
y: attr.y,
product: requestedProduct // <--- Always old value,
// not updated from redux store!!! How to update it?
}));
});
}
useEffect(() => {
addSearchWidget();
}, []);
return <div ref={searchContainer} />;
});
在调度调用变量“ requestedProduct”中始终具有旧值,该值是在初始化时获得的。
如何获取“ requestedProduct”的当前值?
useEffect(() => {
addSearchWidget();
}, [requestedProduct]);