js调用浏览器摄像头拍照效果代码-html代码-BFW代码库

js调用浏览器摄像头拍照效果代码

代码语言：html

所属分类：其他

代码描述：js调用浏览器摄像头拍照效果代码，请勿在iframe和非https网页中运行。

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Camera Capture</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
        }
        #preview {
            margin-top: 20px;
            max-width: 80%;
        }
        button {
            margin-top: 20px;
        }
    </style>
</head>
<body>
    <h1>Camera Capture</h1>
    <button onclick="capturePhoto()">拍照</button>
    <img id="preview" ref="previewImg" alt="Captured Photo" src='//repo.bfw.wiki/bfwrepo/icon/5d83540ca5022.png'>
    <a id="downloadLink" style="display: none;">下载图片</a>

    <script>
        var selectedVideoDevice = null;
        var mediaBlob = null;
        var mediaBlobUrl = null;
        var downloadButtonText = '下载图片';

        function capturePhoto() {
            var constraints = {
    .........完整代码请登录后点击上方下载按钮下载查看