小编bon*_*gnu的帖子

我正在 ReactJS 中开发一个应用程序，我有以下代码：

import React, { useState, useEffect } from "react";
import {Form } from "react-bootstrap";
import Select from "react-select";

const App = () => {

    const [validated, setValidated] = useState(false);

    const [select, setSelect] = useState({
        name: "",
        category: ""
    });

    const handleChange = e => {
        const {name, value} = e.target;
        setSelect(prevState => ({
        ...prevState,
        [name]: value
        }));
    };

    const [data, setData] = useState([]);
    ...
    /* get data */
    ...

    const categories = data.map((item) => ({ value: item.id, label: …