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js如何检测电脑显示器个数并投屏到指定显示器打开网页?

js如何检测电脑显示器个数并投屏到指定显示器打开网页?


网友回复

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参考这个代码

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>显示器检测与窗口定位</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        h1, h2 {
            color: #1a1a1a;
        }
        #detectButton {
            background-color: #007bff;
            color: white;
            border: none;
            padding: 10px 20px;
            font-size: 16px;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        #detectButton:hover {
            background-color: #0056b3;
        }
        #detectButton:disabled {
            background-color: #cccccc;
            cursor: not-allowed;
        }
        #info {
            margin-top: 2rem;
            padding: 1rem;
            background-color: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 5px;
        }
        .screen-card {
            border: 1px solid #ccc;
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 15px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .screen-card h3 {
            margin-top: 0;
            color: #0056b3;
        }
        .screen-card button {
            margin-top: 10px;
            background-color: #28a745;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 4px;
            cursor: pointer;
        }
        .screen-card button:hover {
             background-color: #218838;
        }
        .error {
            color: #dc3545;
            font-weight: bold;
        }
        .notice {
            font-size: 0.9em;
            color: #6c757d;
        }
    </style>
</head>
<body>

    <h1>JavaScript 显示器检测与窗口定位</h1>
    <p class="notice">注意:此功能需要使用Chrome或Edge等现代浏览器,并且需要在HTTPS安全环境下运行。首次点击时,浏览器会请求“窗口管理”权限。</p>

    <b...

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