Kay*_*Kay 1 javascript typescript reactjs
如何将 ref 属性推送到子组件?我收到错误:
'{ reference: RefObject<HTMLSelectElement>; }' is not assignable to type 'IntrinsicAttributes & { children?: ReactNode; }'.
Property 'reference' does not exist on type 'IntrinsicAttributes & { children?: ReactNode; }'.
Run Code Online (Sandbox Code Playgroud)
我知道它与 React.FC<> 和通用函数有关,但我不知道它是什么类型,我应该在 <> 之间写什么来处理从另一个组件推送的引用。
*编辑:我知道我可以使用forwardRef,但这个问题的重点是如何使用 props 传递 ref。
const typeRef = useRef<HTMLSelectElement>(null)
const descriptionRef = useRef<HTMLTextAreaElement>(null)
const onSubmitHandler = (e: React.FormEvent): void => {
e.preventDefault()
}
return (
<React.Fragment>
<Navbar />
<Center width="100%" height="95vh">
<Flex justifyContent="center" alignItems="center" width="50vw">
<FormControl textAlign="center" onSubmit={onSubmitHandler}>
<Input ref={titleRef} placeholder="Name for your recipe" />
<SelectType reference={typeRef} />
<Textarea ref={descriptionRef} placeholder="Description" cols={COLS} rows={ROWS} resize="none" />
<Button type="submit">Submit</Button>
</FormControl>
</Flex>
</Center>
</React.Fragment>
)
}
Run Code Online (Sandbox Code Playgroud)
孩子:
import { Select } from "@chakra-ui/react"
const SelectType: React.FC<> = (props) => {
return (
<Select ref={props.refProp}>
<option>Breakfast</option>
<option>Lunch</option>
<option>Dinner</option>
<option>Supper</option>
</Select>
)
}
export default SelectType
Run Code Online (Sandbox Code Playgroud)
您只需要为您的组件定义 prop 类型SelectType。
const SelectType: React.FC<{ refProp: React.RefObject<HTMLSelectElement> }> = (props) => { ...
Run Code Online (Sandbox Code Playgroud)
| 归档时间: |
|
| 查看次数: |
12625 次 |
| 最近记录: |