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2 changed files with 83 additions and 2 deletions
+70 -2
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@@ -1,10 +1,78 @@
// удаляем все, оставляя лишь пустую функцию App ниже
import { useState, createContext, useContext } from 'react'
import styles from './App.module.scss'
function App() {
const UserContext = createContext('')
function UserProvider({ children }) {
const [name,setName] = useState('');
const toggleName = (newName) => {
setName(newName);
}
return (
<UserContext.Provider value={{name, toggleName}}>
{children}
</UserContext.Provider>
)
}
function Form() {
const {name, toggleName} = useContext(UserContext)
const [newName,setNewName] = useState('');
const handleSubmit = (event) => {
event.preventDefault();
toggleName(event.target[0].value)
}
const handlerChange = (event) => {
setNewName(event.target.value);
}
return (
<form onSubmit={handleSubmit}>
<input type='text' value={newName} onChange={handlerChange} />
<button type='submit'>Войти</button>
</form>
)
}
function ExitButton() {
const {name, toggleName} = useContext(UserContext)
return (
<button onClick={() => toggleName('')}>Выход</button>
)
}
function Toolbar() {
const {name, toggleName} = useContext(UserContext)
return(
<div className={styles.container}>
<h3>Панель пользователя</h3>
{name && `Привет ${name}`}
{name ? <ExitButton /> : <Form /> }
</div>
)
}
function Page() {
return (
<div>
<h1 style={{textAlign: 'center'}}>Главная страница</h1>
<Toolbar />
</div>
)
}
function App() {
return (
<>
{/* Добавьте тестовый контент для проверки */}
<h1>Hello, React!</h1>
<UserProvider>
<Page />
</UserProvider>
</>
)
}
+13
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@@ -0,0 +1,13 @@
.container {
height: 500px;
border: 1px solid black;
border-radius: 10px;
background-color: lightblue;
}
.item {
font-size: 16pt;
border: 1px dotted gray;
/*margin: 5px 10px;
padding: 10px;*/
border-radius: 5px;
}