form in react

                                    <form>
  <label>
    Nome:
    <input type="text" name="name" />
  </label>
  <input type="submit" value="Enviar" />
</form>

                                    // functional react form 

import React, { useState } from "react";

export function Form() {
	const [name, setName] = useState("");


	const handleSubmit = (evt) => {
		evt.preventDefault();
		alert(`Submitting Name ${name}`)
	}
	const changeName = (e) => {
		setName(e.target.value)
	}
	return (
		<form onSubmit={handleSubmit}>
			<br />
			<br />
			<label>
				Frirst Name:
        <input
					type="text"
					value={name}
					onChange={changeName}
				/>
			</label>
			<input type="submit" value="Submit" />
		</form>
	);
}
export default Form;

                                    class NameForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = {value: ''};
    this.handleChange = this.handleChange.bind(this);
    this.handleSubmit = this.handleSubmit.bind(this);
  }

  handleChange(event) {    this.setState({value: event.target.value});  }
  handleSubmit(event) {
    alert('A name was submitted: ' + this.state.value);
    event.preventDefault();
  }

  render() {
    return (
      <form onSubmit={this.handleSubmit}>
        <label>
          Name:
          <input type="text" value={this.state.value} onChange={this.handleChange} />        </label>
        <input type="submit" value="Submit" />
      </form>
    );
  }
}

                                    class FlavorForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = {value: 'coconut'};
    this.handleChange = this.handleChange.bind(this);
    this.handleSubmit = this.handleSubmit.bind(this);
  }

  handleChange(event) {    this.setState({value: event.target.value});  }
  handleSubmit(event) {
    alert('Your favorite flavor is: ' + this.state.value);
    event.preventDefault();
  }

  render() {
    return (
      <form onSubmit={this.handleSubmit}>
        <label>
          Pick your favorite flavor:
          <select value={this.state.value} onChange={this.handleChange}>            <option value="grapefruit">Grapefruit</option>
            <option value="lime">Lime</option>
            <option value="coconut">Coconut</option>
            <option value="mango">Mango</option>
          </select>
        </label>
        <input type="submit" value="Submit" />
      </form>
    );
  }
}

                                    import React, { useState } from "react";
import Checkbox from "@material-ui/core/Checkbox";
import Button from "@material-ui/core/Button";
import TextField from "@material-ui/core/TextField";
import FormControlLabel from "@material-ui/core/FormControlLabel";
import Typography from "@material-ui/core/Typography";
import { makeStyles } from "@material-ui/core/styles";
import Container from "@material-ui/core/Container";
import { useForm } from "react-hook-form";
import Rating from "@material-ui/lab/Rating";
import StarBorderIcon from '@material-ui/icons/StarBorder';

const useStyles = makeStyles((theme) => ({
  paper: {
    marginTop: theme.spacing(8),
    display: "flex",
    flexDirection: "column",
    alignItems: "center"
  },
  form: {
    width: "100%", // Fix IE 11 issue.
    marginTop: theme.spacing(1)
  },
  submit: {
    margin: theme.spacing(3, 0, 2)
  }
}));

export default function Create() {
  const classes = useStyles();
  const [rating, setRating] = useState(2);
  const { register, handleSubmit } = useForm();
  const onSubmit = (data) => {
    console.log(data);
  };

  return (
    <Container component="main" maxWidth="xs">
      <div className={classes.paper}>
        <Typography component="h1" variant="h5">
          Form
        </Typography>
        <form
          className={classes.form}
          noValidate
          onSubmit={handleSubmit(onSubmit)}
        >
          <TextField
            variant="outlined"
            margin="normal"
            fullWidth
            id="title"
            label="Title"
            name="title"
            autoFocus
            inputRef={register()}
          />
          <FormControlLabel
            control={
              <Checkbox
                inputRef={register}
                name="remember"
                defaultValue={false}
              />
            }
            label="remember"
          />
          <br />
          <FormControlLabel
            control={
              <>
                <input
                  name="rating"
                  type="number"
                  value={rating}
                  ref={register}
                  hidden
                  readOnly
                />
                <Rating
                  name="rating"
                  value={rating}
                  precision={0.5}
                  onChange={(_, value) => {
                    setRating(value);
                  }}
                  icon={<StarBorderIcon fontSize="inherit" />}
                />
              </>
            }
            label="select rating"
          />
          <Button
            type="submit"
            fullWidth
            variant="contained"
            color="primary"
            className={classes.submit}
          >
            Submit
          </Button>
        </form>
      </div>
    </Container>
  );
}