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import json |
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import difflib |
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def highlight_diff(a, b): |
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"""生成红色高亮 HTML，红底=不同部分""" |
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matcher = difflib.SequenceMatcher(None, a, b) |
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html_a, html_b = [], [] |
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for tag, i1, i2, j1, j2 in matcher.get_opcodes(): |
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if tag == 'equal': |
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html_a.append(a[i1:i2]) |
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html_b.append(b[j1:j2]) |
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elif tag == 'replace' or tag == 'delete': |
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html_a.append(f'<span class="del">{a[i1:i2]}</span>') |
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elif tag == 'insert': |
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html_b.append(f'<span class="ins">{b[j1:j2]}</span>') |
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return ''.join(html_a), ''.join(html_b) |
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def generate_html(data, output_path="ocr_diff_viewer.html"): |
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"""生成带翻页功能的HTML""" |
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html_items = [] |
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for i, item in enumerate(data): |
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text = item.get("tiny_shuffled_content", "") |
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ocr = item.get("tiny_shuffled_content_ocr", "").replace("\n", "").replace(" ", "") |
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html_text, html_ocr = highlight_diff(text, ocr) |
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html_items.append(f""" |
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<div class="page" id="page-{i}" style="display: {'block' if i==0 else 'none'};"> |
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<h2>样本 {i+1}/{len(data)}</h2> |
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<div class="block"> |
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<h3>原文（text）</h3> |
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<div class="box">{html_text}</div> |
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</div> |
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<div class="block"> |
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<h3>OCR 结果（ocr）</h3> |
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<div class="box">{html_ocr}</div> |
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</div> |
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</div> |
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""") |
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html_content = f""" |
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<html> |
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<head> |
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<meta charset="utf-8"> |
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<title>OCR Diff Viewer</title> |
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<style> |
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body {{ |
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font-family: "Courier New", monospace; |
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background-color: #f6f6f6; |
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padding: 20px; |
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}} |
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.block {{ |
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margin-bottom: 30px; |
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}} |
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.box {{ |
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background: #fff; |
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border: 1px solid #ccc; |
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padding: 15px; |
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white-space: pre-wrap; |
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font-size: 16px; |
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line-height: 1.5; |
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}} |
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.del {{ background-color: #ffcccc; }} |
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.ins {{ background-color: #ccffcc; }} |
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.nav {{ |
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text-align: center; |
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margin-top: 30px; |
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}} |
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button {{ |
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font-size: 16px; |
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padding: 6px 12px; |
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margin: 0 8px; |
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}} |
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</style> |
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</head> |
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<body> |
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<h1>📘 OCR 文本差异可视化</h1> |
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{"".join(html_items)} |
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<div class="nav"> |
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<button onclick="prevPage()">上一条</button> |
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<button onclick="nextPage()">下一条</button> |
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<p id="page-indicator"></p> |
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</div> |
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<script> |
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let currentPage = 0; |
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const total = {len(data)}; |
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const indicator = document.getElementById("page-indicator"); |
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function showPage(i) {{ |
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document.querySelectorAll('.page').forEach((el, idx) => {{ |
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el.style.display = idx === i ? 'block' : 'none'; |
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}}); |
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indicator.innerText = `第 ${{i+1}} / ${{total}} 条`; |
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}} |
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function nextPage() {{ |
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if (currentPage < total - 1) {{ |
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currentPage++; |
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showPage(currentPage); |
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}} |
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}} |
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function prevPage() {{ |
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if (currentPage > 0) {{ |
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currentPage--; |
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showPage(currentPage); |
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}} |
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}} |
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showPage(currentPage); |
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</script> |
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</body> |
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</html> |
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""" |
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with open(output_path, "w", encoding="utf-8") as f: |
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f.write(html_content) |
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print(f"✅ 可视化结果已保存到 {output_path}") |
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if __name__ == "__main__": |
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input_path = "/vol/zhaoy/ds-ocr/data/CCI3-Data/sample10_len1.0-1.2k/merged_ocr.json" |
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with open(input_path, "r", encoding="utf-8") as f: |
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data = json.load(f) |
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generate_html(data, "ocr_diff_viewer.html") |
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