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Tạo một component QuizForm trong ReactJS - Freetuts
REACTJS EXAMPLE
CÁC CHỦ ĐỀ
BÀI MỚI NHẤT
Tạo một component QuizForm trong ReactJS
Cách tạo một component QuizForm
trong ReactJS để thực hiện bài tập về Forms và Controlled Components
. Trong bài tập này, mình sẽ tạo một component QuizForm
trong ReactJS với câu hỏi và các ô nhập liệu cho việc trả lời, sau đó hiển thị kết quả của bài kiểm tra trong console.
QuizForm trong ReactJS
Đầu tiên, hãy tạo một file có tên QuizForm.js
trong thư mục của bạn và thêm mã sau vào đó:
import React, { useState } from 'react';
import './QuizForm.css';
const QuizForm = () => {
// State để lưu trữ câu hỏi và các câu trả lời
const [answers, setAnswers] = useState({
question1: '',
question2: '',
question3: '',
});
// Hàm xử lý thay đổi câu trả lời
const handleAnswerChange = (e) => {
const { name, value } = e.target;
setAnswers({ ...answers, [name]: value });
};
// Hàm xử lý nộp bài kiểm tra
const handleSubmit = (e) => {
e.preventDefault();
console.log('Kết quả của bài kiểm tra:', answers);
// Thêm logic xử lý kết quả bài kiểm tra ở đây (ví dụ: gửi đến API, tính điểm, ...)
};
return (
<div className="quiz-form-container">
<h2>Quiz Form</h2>
<form onSubmit={handleSubmit}>
<div className="form-group">
<label htmlFor="question1">Câu hỏi 1:</label>
<input
type="text"
id="question1"
name="question1"
value={answers.question1}
onChange={handleAnswerChange}
required
/>
</div>
<div className="form-group">
<label htmlFor="question2">Câu hỏi 2:</label>
<input
type="text"
id="question2"
name="question2"
value={answers.question2}
onChange={handleAnswerChange}
required
/>
</div>
<div className="form-group">
<label htmlFor="question3">Câu hỏi 3:</label>
<input
type="text"
id="question3"
name="question3"
value={answers.question3}
onChange={handleAnswerChange}
required
/>
</div>
<button type="submit">Nộp bài kiểm tra</button>
</form>
</div>
);
};
export default QuizForm;
Tiếp theo, tạo một file CSS có tên QuizForm.css
trong cùng thư mục và thêm các kiểu CSS sau:
/* QuizForm.css */
.quiz-form-container {
max-width: 400px;
margin: auto;
padding: 20px;
border: 1px solid #ccc;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h2 {
text-align: center;
}
.form-group {
margin-bottom: 20px;
}
label {
display: block;
font-weight: bold;
}
input[type="text"] {
width: 100%;
padding: 8px;
border: 1px solid #ccc;
border-radius: 4px;
}
button {
background-color: #3498db;
color: white;
padding: 10px 15px;
border: none;
border-radius: 4px;
cursor: pointer;
width: 100%;
}
button:hover {
background-color: #2980b9;
}
Cuối cùng, để sử dụng component QuizForm
, bạn có thể import nó vào trong file App.js
hoặc bất kỳ file nào bạn muốn và sử dụng như sau:
import React from 'react';
import QuizForm from './QuizForm';
import './QuizForm.css'; // Import CSS file
const App = () => {
return (
<div className="App">
<h1>Quiz Form App</h1>
<QuizForm />
</div>
);
};
export default App;
Đây là cách bạn có thể tạo một ứng dụng Quiz Form đơn giản trong ReactJS, cho phép người dùng nhập liệu cho các câu hỏi và sau đó hiển thị kết quả của bài kiểm tra trong console.
Bài giải
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