PDF 转换文档

' + new Date().toLocaleString() + '

'; } var inPara = false; for (var i = 0; i < lines.length; i++) { var line = lines[i].trim(); if (!line) { if (inPara) { body += (style === 'code' ? '' : '

'); inPara = false; } body += '\n'; continue; } if (style === 'code') { if (!inPara) { body += '

'; inPara = true; }
        body += escapeHtml(line) + '\n';
      } else {
        if (!inPara) { body += ''; inPara = true; }
        body += escapeHtml(line) + ' ';
      }
    }
    if (inPara) body += style === 'code' ? '

' : '

'; if (style === 'report') body += '

由 clawam.com · PDF 转 HTML 工具生成

'; return 'PDF 转 HTML' + body + ' '; } var lastHtml = ''; $('btn-convert').addEventListener('click', function() { var f = $('file').files[0]; if (!f) { showError('请先选 PDF'); return; } if (f.size > 20 * 1024 * 1024) { showError('超 20MB,简化版不支持'); return; } var r = new FileReader(); r.onload = function(e) { try { var bytes = new Uint8Array(e.target.result); var lines = extractText(bytes); if (lines.length === 0) { showError('未提取到文本,可能需 OCR 或 PDF 加密'); return; } var style = $('style').value; lastHtml = toHtml(lines, style); showResult('=== HTML 已生成 ===\n长度: ' + lastHtml.length + ' 字符\n文本行: ' + lines.length + '\n样式: ' + style + '\n\n点击"预览"查看 / "下载"保存', '已生成', false); } catch (e) { showError('转换失败: ' + (e.message || e)); } }; r.readAsArrayBuffer(f); }); $('btn-preview').addEventListener('click', function() { if (!lastHtml) { showError('请先生成'); return; } var win = window.open('', '_blank'); if (win) { win.document.write(lastHtml); win.document.close(); } else { var iframe = ''; showResult(iframe, '预览(新窗口被拦截,已嵌入 iframe)', true); } }); $('btn-copy').addEventListener('click', function() { if (!lastHtml) return; if (navigator.clipboard) navigator.clipboard.writeText(lastHtml); }); $('btn-download').addEventListener('click', function() { if (!lastHtml) return; var blob = new Blob([lastHtml], { type: 'text/html;charset=utf-8' }); var url = URL.createObjectURL(blob); var a = document.createElement('a'); a.href = url; a.download = 'pdf-to-html.html'; a.click(); URL.revokeObjectURL(url); }); $('btn-clear').addEventListener('click', function() { $('file').value = ''; lastHtml = ''; var ra = $('result-area'); ra.hidden = true; ra.style.display = 'none'; var em = $('error-msg'); em.hidden = true; em.style.display = 'none'; $('btn-copy').style.display = 'none'; $('btn-download').style.display = 'none'; }); })();