Signup.js

import React, { useState } from 'react';
import { Formik } from 'formik';
import * as Yup from 'yup';
import axios from 'axios';
import 'bootstrap/dist/css/bootstrap.css';
import { Link, Redirect } from 'react-router-dom';

function Signup() {
//   const [state, setState] = useState(false);

//   if (state) {
//     return <Redirect to="/login" />;
//   }

  return (
    <div className="d-flex flex-column justify-content-between vh-100">
        <Formik
          initialValues={{ name: '', email: '', password: '', password2: '', address: '', }}
          validationSchema={Yup.object({
            name: Yup.string()
              .required('이름을 입력해주세요.'),
            email: Yup.string()
              .email('이메일형식이 유효하지 않습니다.')
              .required('이메일을 입력해주세요.'),
            password: Yup.string()
              .required('비밀번호를 입력해주세요.')
              .min(8, '8자 이상 입력해주세요.'),
            password2: Yup.string()
              .required('비밀번호를 다시 입력해주세요.')
              .min(8, '8자 이상 입력해주세요.')
              .oneOf([Yup.ref("password"), null], '비밀번호가 일치하지 않습니다.'),
            address: Yup.string()
              .required('주소를 입력해주세요.')
          })}
          onSubmit={(values, { setSubmitting }) => {
            // axios({
            //   method: 'post',
            //   url: '/users',
            //   data: values,
            // }).then(res => {
            //   if (res.status === 404) return alert(res.data.error)
              alert("회원가입이 완료되었습니다!")

            //   setState(true);
            // })
            //   .catch(err => {
            //     alert(err.error)
            //   });

            setTimeout(() => {
              setSubmitting(false);
            }, 400);  // finish the cycle in handler
          }}
        >
          {({
            errors,
            touched,
            handleSubmit,
            getFieldProps,  // contain values, handleChange, handleBlur
            isSubmitting,
          }) => (
              <div className="row justify-content-center align-items-center">
                <form onSubmit={handleSubmit} className="col-sm-3">
                  <div className="form-group mb-4">
                    <input
                      className={(touched.name && errors.name ? 'form-control is-invalid' : "form-control")}
                      type="text"
                      name="name"
                      {...getFieldProps('name')}
                      placeholder="Input Name" />
                    {touched.name && errors.name ? (
                      <div className="invalid-feedback text-left">{errors.name}</div>
                    ) : null}
                  </div>
                  <div className="form-group mb-4">
                    <input
                      className={(touched.email && errors.email ? 'form-control is-invalid' : "form-control")}
                      type="email"
                      name="email"
                      {...getFieldProps('email')}
                      placeholder="Input Email"
                    />
                    {touched.email && errors.email ? (
                      <div className="invalid-feedback text-left">{errors.email}</div>
                    ) : null}
                  </div>
                  <div className="form-group mb-4">
                    <input
                      className={(touched.address && errors.address ? 'form-control is-invalid' : "form-control")}
                      type="text"
                      name="address"
                      {...getFieldProps('address')}
                      placeholder="Input Address" />
                    {touched.address && errors.address ? (
                      <div className="invalid-feedback text-left">{errors.address}</div>
                    ) : null}
                  </div>
                  <div className="form-group mb-4">
                    <input
                      className={(touched.password && errors.password ? 'form-control is-invalid' : "form-control")}
                      type="password"
                      name="password"
                      {...getFieldProps('password')}
                      placeholder="Input Password"
                    />
                    {touched.password && errors.password ? (
                      <div className="invalid-feedback text-left">{errors.password}</div>
                    ) : null}
                  </div>
                  <div className="form-group mb-4">
                    <input
                      className={(touched.password2 && errors.password2 ? 'form-control is-invalid' : "form-control")}
                      type="password"
                      name="password2"
                      {...getFieldProps('password2')}
                      placeholder="Input Confirm Password"
                    />
                    {touched.password2 && errors.password2 ? (
                      <div className="invalid-feedback text-left">{errors.password2}</div>
                    ) : null}
                  </div>
                  <button type="submit" className="btn btn-dark" disabled={isSubmitting}>
                    Sign Up
                  </button>
        <button>
        <Link to="/">gha</Link></button>
                </form>
              </div>
            )}
        </Formik>
    </div>
  );
}


export default Signup;