如何利用动态智能 App 横幅转化网页流量

<!-- 自定义响应式 HTML 智能 App 横幅 -->
<div id="custom-smart-banner" class="smart-banner-container">
    <div class="banner-close-btn" onclick="closeSmartBanner()">&times;</div>
    <img src="https://app.opoinstall.com/api/logo.png" alt="App Logo" class="banner-app-logo">
    <div class="banner-text-details">
        <h4 class="banner-app-title">旅游推广专业版</h4>
        <p class="banner-app-developer">顺畅的深度链接体验</p>
        <p class="banner-app-rating">★★★★★ 98.7% 还原率</p>
    </div>
    <button class="banner-redirect-btn" onclick="triggerWebToAppRedirect()">获取 APP</button>
</div>

<style>
.smart-banner-container {
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 75px;
    background-color: #f8f8f8;
    border-bottom: 1px solid #e0e0e0;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.banner-close-btn {
    padding: 10px;
    font-size: 20px;
    color: #999;
    cursor: pointer;
}
.banner-app-logo {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    margin-left: 10px;
}
.banner-text-details {
    flex-grow: 1;
    margin-left: 15px;
}
.banner-app-title {
    margin: 0;
    font-size: 14px;
    color: #333;
}
.banner-app-developer {
    margin: 2px 0 0 0;
    font-size: 11px;
    color: #666;
}
.banner-app-rating {
    margin: 1px 0 0 0;
    font-size: 10px;
    color: #f39c12;
}
.banner-redirect-btn {
    margin-right: 15px;
    padding: 6px 15px;
    background-color: #007aff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
}
</style>

function triggerWebToAppRedirect() {
    var userAgent = navigator.userAgent || navigator.vendor || window.opera;
    var customParams = "?inviter_id=usr_123456&promo_code=WELCOME20";
    
    var appScheme = "travelscheme://booking/flight_123" + customParams;
    var appStoreUrl = "https://itunes.apple.com/app/id123456789" + customParams;
    var googlePlayUrl = "https://play.google.com/store/apps/details?id=com.opoinstall.travel" + customParams;
    
    var targetDownloadUrl = googlePlayUrl;
    var isIos = false;

    // 检测 User-Agent 以确定目标操作系统
    if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
        targetDownloadUrl = appStoreUrl;
        isIos = true;
    }

    var start = Date.now();
    var hasRedirected = false;

    // 通过自定义 scheme 触发深度链接
    window.location.href = appScheme;

    // 设置超时回退。如果应用未安装，跳转至商店
    var redirectTimer = setTimeout(function() {
        if (!hasRedirected && !document.hidden && !document.webkitHidden) {
            hasRedirected = true;
            window.location.href = targetDownloadUrl;
        }
    }, 2500);

    // 监控页面可见性，如果应用启动成功则清除计时器
    var handleVisibilityChange = function() {
        if (document.hidden || document.webkitHidden) {
            clearTimeout(redirectTimer);
            hasRedirected = true;
        }
    };

    document.addEventListener("visibilitychange", handleVisibilityChange, false);
    document.addEventListener("webkitvisibilitychange", handleVisibilityChange, false);
    window.addEventListener("pagehide", function() {
        clearTimeout(redirectTimer);
        hasRedirected = true;
    }, false);
}

function closeSmartBanner() {
    var banner = document.getElementById("custom-smart-banner");
    if (banner) {
        banner.style.display = "none";
    }
}