小编Vij*_*Sai的帖子

谁能解释一下const rerender = React.useState(0)[1]这是什么？

import React from 'react'
import axios from 'axios'
import {
  useQuery,
  useQueryClient,
  QueryClient,
  QueryClientProvider,
} from "@tanstack/react-query"
import { ReactQueryDevtools } from "@tanstack/react-query-devtools"

const getCharacters = async () => {
  await new Promise((r) => setTimeout(r, 500))
  const { data } = await axios.get('https://rickandmortyapi.com/api/character/')
  return data
}

const getCharacter = async (selectedChar) => {
  await new Promise((r) => setTimeout(r, 500))
  const { data } = await axios.get(
    `https://rickandmortyapi.com/api/character/${selectedChar}`,
  )
  return data
}

const queryClient = …