通过Formik将数据发送到服务器

import React from 'react';
import { Formik, Form, Field, ErrorMessage } from 'formik';
import axios from 'axios';

const MyForm = () => {
  const initialValues = {
    name: '',
    email: '',
    message: ''
  };

  const validateForm = (values) => {
    const errors = {};

    if (!values.name) {
      errors.name = 'Required';
    }

    if (!values.email) {
      errors.email = 'Required';
    } else if (!/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i.test(values.email)) {
      errors.email = 'Invalid email address';
    }

    if (!values.message) {
      errors.message = 'Required';
    }

    return errors;
  };

  const handleSubmit = (values, { setSubmitting }) => {
    axios.post('https://example.com/submit', values)
      .then((response) => {
        console.log(response.data);
        // 处理成功响应
      })
      .catch((error) => {
        console.error(error);
        // 处理错误响应
      })
      .finally(() => {
        setSubmitting(false);
      });
  };

  return (
    <Formik
      initialValues={initialValues}
      validate={validateForm}
      onSubmit={handleSubmit}
    >
      <Form>
        <div>
          <label htmlFor="name">Name:</label>
          <Field type="text" id="name" name="name" />
          <ErrorMessage name="name" component="div" />
        </div>

        <div>
          <label htmlFor="email">Email:</label>
          <Field type="email" id="email" name="email" />
          <ErrorMessage name="email" component="div" />
        </div>

        <div>
          <label htmlFor="message">Message:</label>
          <Field as="textarea" id="message" name="message" />
          <ErrorMessage name="message" component="div" />
        </div>

        <button type="submit">Submit</button>
      </Form>
    </Formik>
  );
};

export default MyForm;