// ================== 多格式图片回落工具 ================== function changeExt(url, ext) { return url.replace(/\.(jpg|jpeg|png|gif|bmp|webp|avif)(\?.*)?$/i, '.' + ext + '$2'); } /** * 创建支持 avif/webp/原图多格式回退的 * @param {string} src 原始图片地址（jpg/png结尾） * @param {string} alt * @param {object} [styleObj] * @returns {HTMLElement} picture 元素 */ function createSmartPicture(src, alt, styleObj = {}) { const sources = [ { type: 'image/avif', srcset: changeExt(src, 'avif') }, { type: 'image/webp', srcset: changeExt(src, 'webp') }, { type: '', srcset: src } ]; const picture = document.createElement('picture'); sources.forEach(s => { if (s.type) { const source = document.createElement('source'); source.type = s.type; source.srcset = s.srcset; picture.appendChild(source); } }); const img = document.createElement('img'); img.src = src; img.alt = alt || ''; img.loading = "lazy"; Object.assign(img.style, styleObj); let tried = 0; const tryNextFormat = () => { tried++; if (tried === 1) img.src = changeExt(src, 'webp'); else if (tried === 2) img.src = src; // 原图 }; img.onerror = function() { if (tried < 2) tryNextFormat(); }; picture.appendChild(img); return picture; } /** * 支持 PC/Mobile 分别回落的多格式 Responsive */ function createSmartResponsivePicture(pcSrc, mobileSrc, alt, styleObj = {}) { const picture = document.createElement('picture'); // Mobile sources ['avif', 'webp', ''].forEach((ext, i) => { const source = document.createElement('source'); source.media = '(max-width: 768px)'; source.type = ext ? 'image/' + ext : ''; source.srcset = ext ? changeExt(mobileSrc, ext) : mobileSrc; picture.appendChild(source); }); // PC sources ['avif', 'webp', ''].forEach((ext, i) => { const source = document.createElement('source'); source.media = '(min-width: 769px)'; source.type = ext ? 'image/' + ext : ''; source.srcset = ext ? changeExt(pcSrc, ext) : pcSrc; picture.appendChild(source); }); // fallback img（pc为主） const img = document.createElement('img'); img.src = pcSrc; img.alt = alt || ''; img.loading = "lazy"; Object.assign(img.style, styleObj); // 404 fallback机制（mobile优先） let tried = 0; const tryNext = () => { tried++; if (tried === 1) img.src = changeExt(pcSrc, 'webp'); else if (tried === 2) img.src = mobileSrc; else if (tried === 3) img.src = changeExt(mobileSrc, 'webp'); }; img.onerror = function() { if (tried < 3) tryNext(); }; picture.appendChild(img); return picture; } // ================== 以下为广告渲染逻辑整合 ================== // 基础安全 function safeText(t) { return typeof t === 'string' ? t.replace(/[<>]/g, '') : ''; } function safeUrl(url) { return /^(https?:)?\/\/.+|^\//.test(url) ? url : '#'; } // 文字广告 function renderTextAds(ads) { const adBlocks = document.querySelectorAll('.nv_blist_text'); const cardMargin = 4; const cardCount = window.innerWidth >= 1200 ? 10 : 5; const widthPercent = `calc(${100 / cardCount}% - ${cardMargin * 2}px)`; const aniInterval = 0.20; adBlocks.forEach(container => { container.innerHTML = ''; container.style.cssText = 'display:flex;justify-content:flex-start;flex-wrap:wrap;width:100%;padding:0;margin:0;'; ads.forEach((ad, i) => { if (!ad || !ad.href || !ad.title) return; const cell = document.createElement('div'); cell.className = 'nv_blist_cell'; cell.style.cssText = ` display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center; padding:14px 2px;margin:${cardMargin}px;width:${widthPercent};min-width:0;box-sizing:border-box; border:1px solid #fff;border-radius:12px;background:rgba(255,255,255,0.07); transition:box-shadow 0.3s, border-color 0.3s, background 0.3s; animation:nv_blist_card_marquee 1.6s cubic-bezier(.61,-0.05,.36,1.13) infinite; animation-delay:${i * aniInterval}s;`; const link = document.createElement('a'); link.href = safeUrl(ad.href); link.target = '_blank'; link.title = safeText(ad.title); link.setAttribute('rel', 'noopener noreferrer'); link.onclick = function () { trackAdEvent(ad); }; const span = document.createElement('span'); span.textContent = safeText(ad.title); span.style.cssText = ` display:inline-block;font-size:12px;color:#fff;font-weight:300;letter-spacing:-0.5px; padding:0 2px;word-break:break-all;transition:color 0.3s;`; link.appendChild(span); cell.appendChild(link); container.appendChild(cell); }); }); } // 图片九宫格广告（支持多格式回落） function renderImageAds(ads) { const adBlocks = document.querySelectorAll('.nv_blist'); const widthPercent = window.innerWidth >= 1200 ? '10%' : '20%'; adBlocks.forEach(container => { container.innerHTML = ''; container.style.cssText = 'display:flex;justify-content:center;flex-wrap:wrap;'; ads.forEach(ad => { if (!ad || !ad.href || !ad.imgSrc || !ad.title) return; const cell = document.createElement('div'); cell.className = 'nv_blist_cell'; cell.style.cssText = `display:flex;flex-direction:column;align-items:center;text-align:center;padding:4px;width:${widthPercent};box-sizing:border-box;`; const link = document.createElement('a'); link.href = safeUrl(ad.href); link.target = '_blank'; link.title = safeText(ad.title); link.setAttribute('rel', 'noopener noreferrer'); link.onclick = function () { trackAdEvent(ad); }; // ========== 使用多格式图片 ========== const picture = createSmartPicture( safeUrl(ad.imgSrc), safeText(ad.title), { width: '100%', height: 'auto', maxHeight: '200px', objectFit: 'cover', borderRadius: '10px' } ); link.appendChild(picture); const span = document.createElement('span'); span.textContent = safeText(ad.title); span.style.cssText = `display:inline-block;font-size:13px;color:white;margin-top:3px;letter-spacing:-0.5px;`; link.appendChild(span); cell.appendChild(link); container.appendChild(cell); }); }); } // 顶部底部广告（多格式回落 PC/Mobile） function renderAllTPAdBlocks(adConfig) { if (!adConfig || !adConfig.top || !adConfig.bottom) return; function getRandomAd(adArray) { if (!Array.isArray(adArray) || !adArray.length) return null; return adArray[Math.floor(Math.random() * adArray.length)]; } function createAd(position, ad) { if (!ad || !ad.href || !ad.imgPc || !ad.imgMobile) return; const existingAdLink = document.getElementById(position + 'AdLink'); if (existingAdLink) existingAdLink.remove(); const adLink = document.createElement('a'); adLink.href = safeUrl(ad.href); adLink.target = '_blank'; adLink.style = ` display:block;position:fixed;${position === 'top' ? 'top:0' : 'bottom:0'}; left:50%;transform:translateX(-50%); width:100%;max-width:1260px;z-index:9999;text-decoration:none;`; adLink.id = position + 'AdLink'; adLink.setAttribute('rel', 'noopener noreferrer'); adLink.onclick = function () { trackAdEvent(ad); }; const adContent = document.createElement('div'); adContent.id = position + 'Ad'; adContent.style = ` display:flex;justify-content:center;align-items:center;overflow:hidden;padding:0; background:transparent;position:relative;`; // ========== 多格式响应式图片 ========== const picture = createSmartResponsivePicture( safeUrl(ad.imgPc), safeUrl(ad.imgMobile), position + '广告', { maxWidth: '100%', height: 'auto', width: 'auto', display: 'block', lineHeight: 0, margin: 0, padding: 0, border: 0 } ); adContent.appendChild(picture); adLink.appendChild(adContent); let container = document.getElementById('tpads-container'); if (!container) { container = document.createElement('div'); container.id = 'tpads-container'; document.body.appendChild(container); } container.appendChild(adLink); // 自动高适配 function adjustAdSize() { const img = adContent.querySelector('img'); if (!img) return; const maxHeight = window.innerHeight * 0.2; if (img.naturalHeight > maxHeight) { img.style.maxHeight = maxHeight + 'px'; } } const img = adContent.querySelector('img'); if (img) { img.onload = adjustAdSize; setTimeout(adjustAdSize, 600); } } function loadRandomAds() { createAd('top', getRandomAd(adConfig.top)); createAd('bottom', getRandomAd(adConfig.bottom)); } loadRandomAds(); setInterval(loadRandomAds, 30000); window.addEventListener('resize', function () { ['top', 'bottom'].forEach(pos => { const img = document.getElementById(pos + 'AdLink')?.querySelector('img'); if (!img) return; const maxHeight = window.innerHeight * 0.2; if (img.naturalHeight > maxHeight) { img.style.maxHeight = maxHeight + 'px'; } }); }); } // 视频列表广告（多格式图片） function shuffle(array) { var m = array.length, t, i; while (m) { i = Math.floor(Math.random() * m--); t = array[m]; array[m] = array[i]; array[i] = t; } return array; } function renderAllAdvVideoListItems() { var ads = (window.adData && Array.isArray(window.adData.adsvideolist)) ? window.adData.adsvideolist.slice() : []; if (!ads.length) return; shuffle(ads); var advBoxes = Array.from(document.querySelectorAll('.item.adv-item')); let shownIndexes = []; let idx = 0; while (idx < advBoxes.length) { shownIndexes.push(idx); idx += 3 + Math.floor(Math.random() * 3); } advBoxes.forEach(function (box, i) { if (shownIndexes.includes(i)) { var ad = ads[(shownIndexes.indexOf(i)) % ads.length]; box.innerHTML = ''; box.style.display = ''; var a = document.createElement('a'); a.href = safeUrl(ad.href || '#'); a.title = safeText(ad.title || ''); a.target = '_blank'; a.rel = 'nofollow'; a.dataset.tianjiEvent = ad.trackLabel || ''; a.onclick = function () { if (window.trackEvent) trackEvent(ad.trackLabel); if (window._paq) _paq.push(['trackEvent', '广告', '访问广告', ad.trackLabel]); }; // ========== 多格式广告图片 ========== const divImg = document.createElement('div'); divImg.className = 'img'; const picture = createSmartPicture( safeUrl(ad.imgSrc || ''), safeText(ad.title || ''), { width: '100%', height: 'auto', maxHeight: '180px', objectFit: 'cover', borderRadius: '10px' } ); divImg.appendChild(picture); a.appendChild(divImg); var strong = document.createElement('strong'); strong.className = 'title'; strong.textContent = safeText(ad.title || ''); strong.style.display = "flex"; strong.style.alignItems = "center"; strong.style.justifyContent = "center"; strong.style.width = "100%"; strong.style.padding = "0 8px"; strong.style.fontSize = "16px"; strong.style.color = "#2debc1"; strong.style.textAlign = "center"; strong.style.whiteSpace = "normal"; strong.style.wordBreak = "break-all"; strong.style.marginTop = "16px"; a.appendChild(strong); box.appendChild(a); } else { box.style.display = 'none'; } }); } // 增强版MutationObserver function setupAdvVideoMutationObserver() { var advParent = document.body; if (!advParent || !window.MutationObserver) return; var observer = new MutationObserver(function(mutationsList) { let hasNewAdv = mutationsList.some(function(m) { return Array.from(m.addedNodes || []).some(node => { if (node.nodeType !== 1) return false; if (node.classList && node.classList.contains('adv-item')) return true; if (node.querySelector && node.querySelector('.adv-item')) return true; return false; }); }); if (hasNewAdv) { renderAllAdvVideoListItems(); } }); observer.observe(advParent, { childList: true, subtree: true }); } // ============ 动画样式（仅插入一次） ============ if (!document.getElementById('nv_blist_text')) { const style = document.createElement('style'); style.id = 'nv_blist_text'; style.textContent = ` @keyframes nv_blist_card_marquee { 0% { transform:scale(1);border-color:#fff;background:rgba(255,255,255,0.07);box-shadow:none;} 20% { transform:scale(1.12);border-color:#2debc1;background:rgba(45,235,193,0.13);box-shadow:0 2px 20px 0 #2debc160;} 40% { transform:scale(1);border-color:#fff;background:rgba(255,255,255,0.07);box-shadow:none;} 100% { transform:scale(1);border-color:#fff;background:rgba(255,255,255,0.07);box-shadow:none;} }`; document.head.appendChild(style); } // ========== 主控渲染 ========== function tryRenderAll() { if (window.adData?.adstext?.length) renderTextAds(window.adData.adstext); if (window.adData?.ads?.length) renderImageAds(window.adData.ads); if (window.adData?.adConfig?.top && window.adData?.adConfig?.bottom) renderAllTPAdBlocks(window.adData.adConfig); if (window.adData?.adsvideolist?.length) renderAllAdvVideoListItems(); } document.addEventListener('adDataLoaded', tryRenderAll); if ( window.adData && ( (window.adData.ads && window.adData.ads.length) || (window.adData.adstext && window.adData.adstext.length) || (window.adData.adConfig && (window.adData.adConfig.top?.length || window.adData.adConfig.bottom?.length)) || (window.adData.adsvideolist && window.adData.adsvideolist.length) ) ) { tryRenderAll(); } function debounce(fn, delay) { let timer; return function () { clearTimeout(timer); timer = setTimeout(fn, delay); } } window.addEventListener('resize', debounce(tryRenderAll, 120)); if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', setupAdvVideoMutationObserver); } else { setupAdvVideoMutationObserver(); } // 统一广告事件追踪（原有内容不变） function trackAdEvent(ad) { if (!ad || !ad.trackLabel) return; try { tianji.track(ad.trackLabel, {}); } catch (e) { console.log(e); } try { if (window.umami && typeof window.umami.track === "function") { window.umami.track('广告点击', { [ad.trackLabel]: ad.trackLabel }); } } catch (e) { console.log(e); } try { window.trackEvent && window.trackEvent(ad.trackLabel); } catch (e) { console.log(e); } }
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