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Get Started Free →读取多 sheet Excel 文件,动态识别目标列进行统计,并使用正则清洗文本字段提取中文字符,最终输出标准化 Excel 文件。
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-04 | ✗→✓ | ▲ Improved | 21% | 0% |
| case-09 | ✗→✓ | ▲ Improved | 17% | 0% |
| case-13 | ✗→✓ | ▲ Improved | -21% | 0% |
| case-16 | ✗→✓ | ▲ Improved | -37% | 0% |
| case-18 | ✗→✓ | ▲ Improved | -46% | 0% |
> This sub-skill covers one capability of the Excel workflow. For reading/counting/Parquet optimization, see the parent workflow SKILL.md.
Step1 文本字段清洗,使用正则表达式提取纯中文字符(过滤数字、特殊符号等)。
pythonimport re def extract_chinese(text): if pd.isna(text): return text # 仅保留 Unicode 中文字符范围 chinese_chars = re.findall(r'[一-龥]', str(text)) cleaned = ''.join(chinese_chars) return cleaned if cleaned else '' clean_col = '目标清洗列' # 占位示例,如'收货人' if clean_col in df.columns: df[clean_col] = df[clean_col].apply(extract_chinese)
Step2 动态模糊匹配列名,并统计该列中特定值的数量。
python# 动态查找包含特定关键字的列 keyword = 'type' target_val = 'varchar' target_col = next((col for col in df.columns if keyword in str(col).lower()), None) total_target_count = 0 details = [] if target_col is not None: # 忽略大小写和首尾空格进行匹配 mask = df[target_col].astype(str).str.lower().str.strip() == target_val count = mask.sum() total_target_count += count if count > 0: details.append({ 'sheet': target_sheet, 'target_count': count, 'total_rows': len(df) }) print(f"{'='*50}") print(f"匹配列 '{target_col}' 中值为 '{target_val}' 的总数: {total_target_count}") print(f"{'='*50}") for detail in details: print(f" {detail['sheet']}: {detail['target_count']} 个匹配项 (共 {detail['total_rows']} 行)")
Step3 将清洗和处理后的数据保存为 Excel,并输出文件大小与下载链接。
pythonoutput_path = "/mnt/data/cleaned_data_output.xlsx" df.to_excel(output_path, index=False) file_size = os.path.getsize(output_path) print(f"清洗后的数据已保存至: {output_path}") print(f"文件大小: {file_size} 字节") # 生成标准下载链接格式 print(f"下载链接: sandbox:{output_path}")
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