React-Hook-Form-2.jsx
· 548 B · react
原始檔案
import { useForm } from 'react-hook-form';
function App() {
const {
register,
handleSubmit,
formState: { errors },
} = useForm();
return (
<form onSubmit={handleSubmit((data) => console.log(data))}>
<input {...register('firstName')} />
<input {...register('lastName', { required: true })} />
{errors.lastName && <p>Last name is required.</p>}
<input {...register('age', { pattern: /\d+/ })} />
{errors.age && <p>Please enter number for age.</p>}
<input type="submit" />
</form>
);
}
| 1 | import { useForm } from 'react-hook-form'; |
| 2 | |
| 3 | function App() { |
| 4 | const { |
| 5 | register, |
| 6 | handleSubmit, |
| 7 | formState: { errors }, |
| 8 | } = useForm(); |
| 9 | |
| 10 | return ( |
| 11 | <form onSubmit={handleSubmit((data) => console.log(data))}> |
| 12 | <input {...register('firstName')} /> |
| 13 | <input {...register('lastName', { required: true })} /> |
| 14 | {errors.lastName && <p>Last name is required.</p>} |
| 15 | <input {...register('age', { pattern: /\d+/ })} /> |
| 16 | {errors.age && <p>Please enter number for age.</p>} |
| 17 | <input type="submit" /> |
| 18 | </form> |
| 19 | ); |
| 20 | } |