实现浏览器指纹的三种常见方式实现浏览器指纹的解决方案多种多样，本文列举其中三种常见的方案以及对应的代码示例，然后提供了一

实现浏览器指纹的解决方案多种多样，本文列举其中三种常见的方案以及对应的代码示例，然后提供了一个测试文件，感兴趣的同学可以直接复制文件体验。

FingerprintJS Library:

FingerprintJS 是一个流行的JavaScript库，通过多种技术手段创建浏览器指纹。它利用用户代理、插件列表、字体信息等多个特征来生成唯一的指纹。

<!-- 引入 FingerprintJS 库 -->
<script src="https://cdn.jsdelivr.net/npm/@fingerprintjs/fingerprintjs@3"></script>

// 使用 FingerprintJS 获取浏览器指纹
const getBrowserFingerprint = async () => {
    const fpPromise = FingerprintJS.load();
    const fpInstance = await fpPromise;

    const result = await fpInstance.get();

    console.log(result.visitorId); // 浏览器指纹
};

getBrowserFingerprint();

ClientJS Library:

ClientJS 是另一个常用的JavaScript库，它通过检测浏览器的多个属性来生成指纹。该库提供了易于使用的接口，适用于多种浏览器指纹应用场景。

<!-- 引入 ClientJS 库 -->
<script src="https://cdn.jsdelivr.net/npm/clientjs"></script>

// 使用 ClientJS 获取浏览器指纹
const getClientJSFingerprint = () => {
    const client = new ClientJS();
    const fingerprint = client.getFingerprint();

    console.log(fingerprint); // 浏览器指纹
};

getClientJSFingerprint();

Canvas Fingerprinting:

Canvas fingerprinting利用浏览器在HTML5画布上渲染文本或图像时的细微差异。以下是一个简单的Canvas Fingerprinting示例：

<canvas id="canvas" width="200" height="20"></canvas>

// Canvas Fingerprinting 示例
const getCanvasFingerprint = () => {
    const canvas = document.getElementById('canvas');
    const context = canvas.getContext('2d');
    const text = 'Canvas Fingerprint';

    context.font = '10px Arial';
    context.fillText(text, 10, 10);

    const imageData = canvas.toDataURL('image/png');

    console.log(imageData); // Canvas Fingerprint
};

getCanvasFingerprint();

上述示例展示了使用不同的JavaScript库或技术来实现浏览器指纹。下面是完整的测试文件：

<!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 type="module">
        import FingerprintJS from 'https://cdn.jsdelivr.net/npm/@fingerprintjs/fingerprintjs@4.2.2/+esm'
        console.log(FingerprintJS)
        window.FingerprintJS = FingerprintJS;
    </script>

    <!-- 引入 ClientJS 库 -->
    <script src="https://cdn.jsdelivr.net/npm/clientjs"></script>
    <canvas id="canvas" width="200" height="20"></canvas>


</head>

<body>
    <script>
        window.onload = () => {
            // 使用 FingerprintJS 获取浏览器指纹
            const getBrowserFingerprint0 = async () => {
                const fpPromise = FingerprintJS.load();
                const fpInstance = await fpPromise;
                const result = await fpInstance.get();
                console.log(result.visitorId); // 浏览器指纹
            };

            getBrowserFingerprint0();

            // 使用 ClientJS 获取浏览器指纹
            const getClientJSFingerprint = () => {
                const client = new ClientJS();
                const fingerprint = client.getFingerprint();

                console.log(fingerprint); // 浏览器指纹
            };
            getClientJSFingerprint();

            // Canvas Fingerprinting 示例
            const getCanvasFingerprint2 = () => {
                const canvas = document.getElementById('canvas');
                const context = canvas.getContext('2d');
                const text = 'Canvas Fingerprint';
                context.font = '10px Arial';
                context.fillText(text, 10, 10);
                const imageData = canvas.toDataURL('image/png');
                console.log(imageData); // Canvas Fingerprint
            };

            getCanvasFingerprint2();
        }
    </script>
</body>

</html>