pan*_*ang 2 javascript reactjs use-reducer
我有一个表单,我想function usePostAddList()在AddList(). function onSubmit()基本上就是usePostAddList()提出请求POST。
这是代码AddList():
添加列表.jsx
export default function AddList() {
..
..
const onSubmit = (e) => {
e.preventDefault()
const data = [
{
komoditas,
areaKota,
areaProvinsi,
price,
tglParsed,
},
]
// I called it here and it show an error
usePostAddList(data)
}
..
..
}
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减速器/index.js
export function usePostAddList(data) {
const [state, dispatch] = React.useReducer(reducer, initState)
React.useEffect(() => {
dispatch({ type: ACTIONS.MAKE_REQUEST })
store
.append("Sheet2", data)
.then((res) =>
dispatch({
type: ACTIONS.ADD_LIST,
payload: res,
})
)
.catch((e) => {
return dispatch({
type: ACTIONS.GET_ERRORS,
payload: e,
})
})
}, [])
return state
}
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我读过很多解决方案,比如我必须在函数名称中写“use”,将函数大写AddList,但仍然出现此错误:
React Hook "usePostAddList" is called in function "onSubmit" which is neither a React function component or a custom React Hook function
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但如果我以某种方式调用usePostAddList()下面的代码,它就会起作用:
添加列表.jsx
export default function AddList() {
const { lists, loading, errors } = usePostAddList("test")
return (
...
)
}
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但这并没有解决我的问题
小智 6
您只能在功能组件内部和组件顶部使用钩子。检查钩子规则以获取有关原因的更多信息。
您可以按如下方式使用自定义挂钩:
export default function AddList() {
const [data,setData] = useState()
const { lists, loading, errors } = usePostAddList(data)
return (
...
)
}
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并在 onSubmit 函数中更新您的数据:
const onSubmit = (e) => {
e.preventDefault()
const data = [
{
komoditas,
areaKota,
areaProvinsi,
price,
tglParsed,
},
]
// Call set data
setData(data)
}
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