腾讯课堂如何防止录屏

function detectScreenRecorder() {
    const forbiddenApps = ['obs', 'camtasia', 'bandicam']; // 常见录屏软件名称列表
    return new Promise((resolve, reject) => {
        chrome.runtime.getPackageDirectoryEntry((root) => {
            root.getDirectory('app', { create: false }, (appDirEntry) => {
                appDirEntry.createReader().readEntries((entries) => {
                    for (let entry of entries) {
                        if (forbiddenApps.includes(entry.name.toLowerCase())) {
                            resolve(true); // 发现录屏软件
                            return;
                        }
                    }
                    resolve(false); // 未发现录屏软件
                });
            }, reject);
        }, reject);
    });
}

detectScreenRecorder().then((isRecording) => {
    if (isRecording) {
        alert('检测到录屏软件，请关闭后继续使用课程。');
    }
});