react-router

问题 I have a React JS app, with React Router.During development, npm start, I get no issues. I visit the following location as usual. http://localhost:3000 and due to the routing code, it becomes http://localhost:3000/index and the app loads just fine. At this point, I hit reload, the app continues to run fine. I manual link or load 'http://localhost:3000/index', the app runs fine. Then, later, I do an npm build, go inside this build folder, and do an npm start, again, the same thing. the app

问题 So I'm creating a e-commerce store for a sideproject, but I'm stuck on a problem. On the main page I have all the products, and I've created a route for the product details. When I click on one of them, it gets the id, and should output all the product details. I have the details about products in a JSON array "data.js". When I click on a product in the main page, it displays the error: TypeError: Cannot read property 'image' of undefined - in the return part, where I put {product.image} in.

问题 Can I call Meteor method before react-router redirect me to a page? I would like to make a history of the logged-in user about his/her page views. I see that in iron-router I can use onBeforeAction: function () {} I cant find similar event handler for react-router of ReactTraining. I am searching in their docs, https://github.com/ReactTraining/react-router/tree/1.0.x/docs In meteor server side, I am using simple:json-routes. I searched also their docs and can't find anything related to

问题 I am trying to display two different navbar component one as the main site navbar and one for the dashboard navbar. I have tried creating two reusable components namely: <LayoutNav /> and <DashboardNav /> Here is their implementation: const LayoutNav = ({children}) => { return ( <> <section className="container-fluid"> <Navbar /> {children} </section> </> ); } it is the same for LayoutDashboardNav i only changed <Navbar /> to <DashboardNav /> below is my route implementation: <BrowserRouter>

问题 I am facing a problem with react history.push . The logic of my code is, when the API call completes, if the login status in response is false, I want to push to another route. The URL is changing but the component is not rendering until I refresh the page. Here is my code for changing the route useEffect(() => { const getProductsData = async () => { setIsLoading(true); const productsData = await fetchProductsApi(); setIsLogin(productsData.data.login); setProductsArray(productsData.data.data)

问题 So, Hello My problem is this. I have a C-class Component that is 'maping content' that is located in data.json I will add more content later but, in C class I have a button that is currently pushing me to the Payment page, I want when the button is pressed, that it renders the content(image, price, class) only that content from json into the Payment page where I can style it once again that would be basically it. Thanks in Advance data.json [ { "id":0, "class":"A-Class", "Info": "A is the

问题 I have been trying to Unsuccesfully redirect a user back ho "/" or "/home" after registration is done inside .then() , eveyrthing inside promise executes EXCEPT the redirection. I used just if(true) to test it, and It does go to that point, because I can get the console.log to display text there, but just Redirect is fruitless.. const createUserWithEmailAndPasswordHandler =(event) => { event.preventDefault(); auth.createUserWithEmailAndPassword(signUp.email, signUp.pw1).then((authData) =>{

问题 I have a login form which on click calls the following function. Which summarizing , gets a response from the api, if valid, sets a cookie, and then redirects using the this.props.history.push() handleSubmit(event) { event.preventDefault(); const { email, password } = this.state; axios({ method: 'post', url: 'http://localhost:3003/login', data: qs.stringify({ email, password }), headers: { 'content-type': 'application/x-www-form-urlencoded;charset=utf-8' } }).then(res => { console.log("set

问题 When I'm inserting a todo in Todo Form, I want get todo's id product when I click in create and redirect to url from component Show Product. This is my code in New Todo.jsx: import React, { Component } from 'react'; import { connect } from 'react-redux'; import { Redirect } from 'react-router'; import { SubmissionError } from 'redux-form'; import { newTodo, saveTodo } from '../../actions/todoActions'; import TodoForm from './TodoForm'; class NewTodo extends Component { state = { redirect:

问题 Using react-router in with react i have declared some routes like this: <Route name="voteview" path="voteview/:baselineId" handler={VoteView}/> In a React Component, i want to call this route. React Router gives me a link: <Link to="voteview" params={{baselineId: this.props.data.baselineId}}>Voteview</Link> This results in a <a href...> link. But i want to use the url path programmatically, not in an <a href...> link. How can i get the URL path to the "voteview" route programmatically? 回答1: