我有一个名为useIsUserSubscribed的自定义钩子,它检查是否订阅了特定的用户。如果用户被订阅,则返回true,如果用户没有订阅,则返回false .
import { useState, useEffect } from "react";
import { useSelector } from "react-redux";
import { checkSubscription } from "../services";
// this hook checks if the current user is subscribed to
我有一个反应本机屏幕,有一个非常长的代码,我想折射。
假设我的screen.jsx是(当然是简化的):
import React, { useState, useCallback, useEffect } from 'react';
import useLocation from '../hooks/useLocation'; // A custom hook I wrote. This one makes sense to use as a hook. It's a function that returns a location.
...
expo
我想将存储在const mappedData中的数据从FetchDataComponent.js传递给ReactSelectComponent.js。有什么方法可以用功能组件做到这一点吗?在下面的代码中我得到了Error: Objects are not valid as a React child
FetchDataComponent.js
import React,{useState, useEffect} from "react";
import axios from "axios";
import _ from "lodash";
co
我正在寻找一种方法,以动态更新:id参数在我的反应应用程序使用反应路由器的多姆。我有这些密码:
import Blog from './pages/Blogpage/Blog'
import {
BrowserRouter as Router,
} from "react-router-dom";
<Route path="/allPosts/page/:id">
{<Blog/>}
</Route>
这是导航栏上的链接,它将用户带到名为Blog的组件。
<li classN