async () => { const query = "QUERY_HERE";
// Wait for page load await new Promise((r, j) => { let n = 0; const c = () => { if (document.querySelector('input.researchbtn')) r(); else if (++n > 30) j('timeout'); else setTimeout(c, 500); }; c(); });
// Check captcha (visible on screen, not hidden SDK at top:-1000000) const outer = document.querySelector('#tcaptcha_transform_dy'); if (outer && outer.getBoundingClientRect().top >= 0) return { error: 'captcha' };
// Auto-detect search type and fill const select = document.querySelector('select'); if (select) { if (/^\d{4}-\d{3}[\dXx]$/.test(query)) select.value = 'ISSN'; else if (/^\d{2}-\d{4}/.test(query)) select.value = 'CN'; select.dispatchEvent(new Event('change', { bubbles: true })); }
const input = document.querySelector('input[placeholder*="检索词"]'); if (input) input.value = query;
// Click search button (verified selector: input.researchbtn) document.querySelector('input.researchbtn')?.click();
// Wait for results await new Promise((r, j) => { let n = 0; const c = () => { if (document.body.innerText.includes('条结果')) r(); else if (++n > 30) j('timeout'); else setTimeout(c, 500); }; c(); });
// Click 期刊 tab to filter journals only const tabs = document.querySelectorAll('li a'); for (const a of tabs) { if (a.innerText.trim() === '期刊') { a.click(); break; } } await new Promise(r => setTimeout(r, 1500));
// Extract journal results const body = document.body.innerText; const countMatch = body.match(/共\s*(\d+)\s*条结果/) || body.match(/找到\s*(\d+)\s*条结果/); const count = countMatch ? parseInt(countMatch[1]) : 0;
const results = []; const titleLinks = document.querySelectorAll('a[href*="knavi/detail"]'); titleLinks.forEach(link => { const text = link.innerText?.trim(); if (!text || text.length < 2) return; const parent = link.closest('li, .list-item') || link.parentElement?.parentElement; const pt = parent?.innerText || ''; results.push({ name: text.split('\n')[0]?.trim(), url: link.href, issn: pt.match(/ISSN[：:]\s*(\S+)/)?.[1] || '', cn: pt.match(/CN[：:]\s*(\S+)/)?.[1] || '', cif: pt.match(/复合影响因子[：:]\s*([\d.]+)/)?.[1] || '', aif: pt.match(/综合影响因子[：:]\s*([\d.]+)/)?.[1] || '', citations: pt.match(/被引次数[：:]\s*([\d,]+)/)?.[1] || '', downloads: pt.match(/下载次数[：:]\s*([\d,]+)/)?.[1] || '', sponsor: pt.match(/主办单位[：:]\s*(.+?)(?=\n|ISSN)/)?.[1]?.trim() || '' }); });
return { query, count, results };}
