react_tutorial/01_react_basic/codes/10_components_advanced.html at main · linlinw5/react_tutorial · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/react@18/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200" />

    <style>
        .app {
            width: 500px;
            margin: 20px auto;
            border: 1px solid #ccc;
            padding: 10px;
            border-radius: 5px;
            background-color: #f9f9f9;
        }
        .input {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .input input {
            flex: 1;
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
        .input button {
            padding: 8px 16px;
            border: none;
            background-color: #28a745;
            color: white;
            border-radius: 4px;
            cursor: pointer;
        }
        .message {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
            gap: 10px;
        }
        .message.user {
            justify-content: end;
        }
        .message.bot {
            flex-direction: row-reverse;
            justify-content: flex-end;

        }
        .message span {
            background-color: #28a745;
            color: white;
            border-radius: 50%;
            font-size: 36px;
        }

    </style>
</head>
<body>
    <div id="root"></div>

    <script type="text/babel">

        const root = ReactDOM.createRoot(document.getElementById('root'));

        // 从现在开始，我们使用JSX语法来创建React元素，其他配置可以认作标准模板


        // 组件1
        function Input() {
            return (
                <div className="input">
                    <input placeholder="请输入您的问题"/>
                    <button>submit</button>
                </div>
            );
        };
        // 组件2
        function ChatMessage({ message, sender }) {

            return (
                <div className={`message ${sender}`}>
                    <p>{message}</p>

                    {
                        sender === 'bot' ? (
                            <span class="material-symbols-outlined">smart_toy</span>
                        ) : (
                            <span class="material-symbols-outlined">face</span>
                        )
                    }
                </div>
            )
        }

        // 组件组合
        const app = (
            <div className="app">
                <Input />
                <ChatMessage message="Hello!" sender="user" />
                <ChatMessage message="Hello! How are you?" sender="bot" />
                <ChatMessage message="Fine, thank you, and you?" sender="user" />
                <ChatMessage message="I am good!" sender="bot" />
            </div>
        );

        root.render(app);

    </script>

</body>
</html>