应用社交分享特惠活动

function shareOnSocialMedia(platform) {
    let url = encodeURIComponent(window.location.href);
    let title = encodeURIComponent(document.title);
    switch (platform) {
        case 'facebook':
            window.open(`https://www.facebook.com/sharer/sharer.php?u=${url}`);
            break;
        case 'twitter':
            window.open(`https://twitter.com/intent/tweet?url=${url}&text=${title}`);
            break;
        case 'linkedin':
            window.open(`https://www.linkedin.com/shareArticle?mini=true&url=${url}&title=${title}`);
            break;
        default:
            alert('Unsupported platform');
    }
}

// 使用示例
document.getElementById('share-facebook').addEventListener('click', () => shareOnSocialMedia('facebook'));
document.getElementById('share-twitter').addEventListener('click', () => shareOnSocialMedia('twitter'));
document.getElementById('share-linkedin').addEventListener('click', () => shareOnSocialMedia('linkedin'));