import { useForm } from "react-hook-form"; const App = () => { const { register, setValue } = useForm(); return ( <form> <input {...register("firstName")} /> <button type="button" onClick={() => setValue("firstName", "Bill")}> setValue </button> <button type="butto...
importReactfrom'react';import{ useForm }from'react-hook-form';functionApp() {const{ register, handleSubmit,formState: { errors } } =useForm();constonSubmit= data =>console.log(data);constvalidateUsername=asyncvalue => {constresponse =awaitfetch(`/api/check-username?username=${value}`);con...
为了防止这样的事情发生,我们可以使用 React Hook 表单库,这将帮助我们创建轻量级、强大、灵活、可采用和可扩展的表单,并具有用户友好的验证,并且直观、功能完整的 API 在构建时提供无缝体验形式。 React Hook Form 是一个没有任何依赖关系的小型库,它最大限度地减少了验证计算,减少了您需要编写的代码量,同时消除了...
以下是一个示例,展示如何创建一个自定义 Hook 来动态设置 API 请求查询参数: 代码语言:txt 复制 import { useState, useEffect } from 'react'; // 自定义 Hook,用于从 API 获取数据 function useApiData(queryParam) { const [data, setData] = useState(null); const [loading, setLoading]...
import { useForm } from "react-hook-form"; function MyForm() { const { register, handleSubmit, formState: { errors } } = useForm(); const onSubmit = data => console.log(data); return ( <form onSubmit={handleSubmit(onSubmit)}> <input {...register("name", { required: "名称...
我尝试使用 react-hook-form 来验证输入。但是我发现如果输入放在 Material UI 的对话框组件中,react-hook-form 的setValue没有按预期工作,但是当我删除 Dialog 组件时它可以工作。我猜原因是在组件挂载之前设置了值,但仍然找不到解决方案。 该值将从服务器检索,所以我不能使用 react-hook-form 的defaultValues。
Step 1:install@hookform/devtoolsas a dev dependency package. npm install -D @hookform/devtools Step 2:Integrate with your React App is as simple as import a Component into your App/Form render and passcontrolprop into it. import{useForm}from"react-hook-form";import{DevTool}from"@hookform...
🌈 实战技巧二:useDeferredValue 实现渐进更新 与useTransition对比表 代码语言:jsx AI代码解释 const[searchText,setSearchText]=useState('');constdeferredText=useDeferredValue(searchText);// ✅ 延迟派生值// 大数据量列表自动获得防抖效果<HeavyListfilter={deferredText}/> ...
您可以使用 setValue ( https://react-hook-form.com/api/useform/setvalue )。从useForm 导入它:const { handleSubmit, control, setValue} = useForm({ mode: 'onBlur' }); 然后在收到用户数据后调用它:useEffect(() => { if (userData) { setValue([ { name: userData.name }, { phone: user...
useState is a built-in Hook provided by React. You can find other built-in Hooks in the React API reference. You can also write your own Hooks by combining the existing ones. Hooks are more restrictive than regular functions. You can only call Hooks at the top level of your components ...