我想做的事:
navbar.js
中的search
按钮时,我希望在变量urlquery
中分配搜索文本,以便可以将其作为道具传递到episodes.js
组件中
navbar.js
传递到episodes.js
组件,这样我就可以查询REST API我如何达到理想的行为,请帮助
app.js
import React, { useState } from 'react';
import './App.css'
import Episodes from './components/Episodes/Episodes'
import CustomNavbar from './components/Navbar/Navbar'
import Pagination from './components/Pagination/Pagination'
function App() {
const [postsPerPage] = useState(20);
const [currentPage, setCurrentPage] = useState(1);
const url=`https://rickandmortyapi.com/api/episode?page=${currentPage}`
let urlQuery = `https://rickandmortyapi.com/api/episode?name=${SEARCH TEXT HERE}`
const paginate = pageNumber => setCurrentPage(pageNumber);
return (
<div>
<CustomNavbar />
<Episodes
urlQuery={urlQuery}
url={url}
/>
<Pagination
postsPerPage={postsPerPage}
totalPosts={36}
paginate={paginate}
/>
</div>
);
}
export default App;
navbar.js
import React from 'react';
import Navbar from 'react-bootstrap/Navbar';
import Form from 'react-bootstrap/Form';
import Button from 'react-bootstrap/Button';
import FormControl from 'react-bootstrap/FormControl';
const customNavbar = () => {
return (
<Navbar bg="light" expand="lg">
<Navbar.Brand href="#home">Rick And Morty</Navbar.Brand>
<Form inline>
<FormControl type="text" placeholder="Search" />
<Button>Search</Button>
</Form>
</Navbar>
);
}
export default customNavbar
将urlQuery更改为state变量。 然后,将setUrlQuery作为道具传递给NavBar,并在search按钮上clickEvent调用setUrlQuery函数。