在办公自动化场景中,批量处理Word文档——无论是生成几十份合同模板、从几百份简历里提取关键信息,还是将表格数据导出为报告——都是高频需求。Python的python-docx库提供了读取、写入和格式修改的核心能力,结合pandas、正则表达式等工具,可以构建完整的Word文档自动化处理流程。
一、安装与基本操作
使用pip安装python-docx:导入Document类即可操作文档:- from docx import Document
- # 打开已有文档
- doc = Document("报告.docx")
- # 创建新文档
- doc2 = Document()
- doc2.save("新文档.docx")
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二、读取Word文档内容
python-docx支持读取段落、表格和标题。以下示例展示了如何提取文档中的各类信息:- from docx import Document
- doc = Document("报告.docx")
- # 1. 读取所有非空段落
- print("=== 段落内容 ===")
- for i, para in enumerate(doc.paragraphs):
- if para.text.strip():
- print(f"段落{i}: {para.text.strip()}")
- # 2. 读取表格内容
- print("\n=== 表格内容 ===")
- for t_idx, table in enumerate(doc.tables):
- print(f"\n--- 表格 {t_idx + 1} ---")
- for r_idx, row in enumerate(table.rows):
- cells = [cell.text for cell in row.cells]
- print(f"第{r_idx + 1}行: {cells}")
- # 3. 读取标题(样式以Heading开头的段落)
- print("\n=== 标题 ===")
- for para in doc.paragraphs:
- if para.style.name.startswith("Heading"):
- print(f"[{para.style.name}] {para.text}")
复制代码 这个功能常用于批量读取简历等文档中的特定字段,如姓名、电话、学历等。
三、写入Word文档
1. 添加段落与格式
可以添加不同级别的标题、普通段落,并对文字进行颜色、字号、加粗等设置:- from docx import Document
- from docx.shared import Pt, RGBColor
- from docx.enum.text import WD_ALIGN_PARAGRAPH
- doc = Document()
- doc.add_heading("工作报告", level=0)
- doc.add_heading("一、项目概况", level=1)
- doc.add_heading("1.1 项目背景", level=2)
- para = doc.add_paragraph("这是正文内容。")
- para.alignment = WD_ALIGN_PARAGRAPH.LEFT
- para2 = doc.add_paragraph()
- run = para2.add_run("红色加粗文字")
- run.bold = True
- run.font.size = Pt(14)
- run.font.color.rgb = RGBColor(255, 0, 0)
- run2 = para2.add_run(" 普通后续文字")
- run2.font.size = Pt(12)
- doc.save("输出文档.docx")
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2. 添加表格并设置列宽
创建表格、填充表头和数据,还可以逐列设定宽度:- from docx import Document
- from docx.shared import Pt, Cm
- doc = Document()
- doc.add_heading("学生成绩表", level=1)
- table = doc.add_table(rows=3, cols=4, style="Table Grid")
- headers = ["姓名", "语文", "数学", "英语"]
- for i, h in enumerate(headers):
- cell = table.rows[0].cells[i]
- cell.text = h
- for para in cell.paragraphs:
- for run in para.runs:
- run.bold = True
- data = [
- ["张三", "85", "92", "78"],
- ["李四", "90", "88", "95"],
- ]
- for r_idx, row_data in enumerate(data):
- for c_idx, value in enumerate(row_data):
- table.rows[r_idx + 1].cells[c_idx].text = value
- for row in table.rows:
- row.cells[0].width = Cm(3)
- row.cells[1].width = Cm(3)
- row.cells[2].width = Cm(3)
- row.cells[3].width = Cm(3)
- doc.save("成绩表.docx")
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3. 设置页边距
通过遍历sections可以调整页边距,单位使用Cm:- from docx.shared import Cm
- doc = Document()
- for section in doc.sections:
- section.top_margin = Cm(2.54)
- section.bottom_margin = Cm(2.54)
- section.left_margin = Cm(3.17)
- section.right_margin = Cm(3.17)
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四、实战案例:批量生成劳动合同
典型场景是“模板 + 数据”批量输出文档。首先准备员工数据CSV文件(employees.csv):- name,department,position,salary,start_date
- 张三,技术部,Java开发工程师,15000,2024-01-01
- 李四,产品部,产品经理,13000,2024-02-15
- 王五,市场部,市场专员,10000,2024-03-01
复制代码 然后创建Word模板,在需要填充的位置使用{{name}}、{{department}}等占位符。以下脚本读取CSV并批量生成合同:- import pandas as pd
- from docx import Document
- from datetime import datetime
- import os
- def generate_contract(employee):
- """根据员工数据生成劳动合同"""
- doc = Document("合同模板.docx")
-
- replacements = {
- "{{name}}": employee["name"],
- "{{department}}": employee["department"],
- "{{position}}": employee["position"],
- "{{salary}}": str(employee["salary"]),
- "{{start_date}}": employee["start_date"],
- "{{today}}": datetime.now().strftime("%Y年%m月%d日"),
- }
-
- for para in doc.paragraphs:
- for key, value in replacements.items():
- if key in para.text:
- for run in para.runs:
- if key in run.text:
- run.text = run.text.replace(key, value)
-
- output_dir = "合同输出"
- os.makedirs(output_dir, exist_ok=True)
- filename = f"{output_dir}/{employee['name']}_劳动合同.docx"
- doc.save(filename)
- print(f"已生成: {filename}")
- # 批量生成
- df = pd.read_csv("employees.csv")
- for _, emp in df.iterrows():
- generate_contract(emp)
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五、实战案例:从多份简历提取信息
遍历文件夹中的.docx简历,利用正则表达式提取姓名、手机号、邮箱、毕业院校等信息,并汇总输出到Excel:- from docx import Document
- import re
- import os
- def extract_resume_info(docx_path):
- """从简历Word文档提取关键信息"""
- doc = Document(docx_path)
- full_text = "\n".join([p.text for p in doc.paragraphs])
- info = {}
-
- # 姓名通常在首行
- lines = [p.text.strip() for p in doc.paragraphs if p.text.strip()]
- if lines:
- info["姓名"] = lines[0]
-
- # 手机号:11位数字,以1开头
- phone = re.search(r"1[3-9]\d{9}", full_text)
- info["手机号"] = phone.group() if phone else ""
-
- # 邮箱
- email = re.search(r"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}", full_text)
- info["邮箱"] = email.group() if email else ""
-
- # 毕业院校(包含“大学”或“学院”)
- schools = re.findall(r"[一-龥]+(?:大学|学院)", full_text)
- info["毕业院校"] = schools[0] if schools else ""
-
- return info
- # 批量处理
- resume_dir = "简历文件夹"
- results = []
- for filename in os.listdir(resume_dir):
- if filename.endswith(".docx"):
- filepath = os.path.join(resume_dir, filename)
- try:
- info = extract_resume_info(filepath)
- info["文件名"] = filename
- results.append(info)
- print(f"已处理: {filename}")
- except Exception as e:
- print(f"处理失败 {filename}: {e}")
- import pandas as pd
- df = pd.DataFrame(results)
- df.to_excel("简历汇总.xlsx", index=False)
- print(f"共处理 {len(results)} 份简历,结果已导出到 简历汇总.xlsx")
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六、常用格式设置
python-docx支持丰富的格式控制:- from docx.shared import Pt, Cm, Inches, RGBColor
- from docx.enum.text import WD_ALIGN_PARAGRAPH
- from docx.enum.table import WD_TABLE_ALIGNMENT
- # 字体设置
- run.font.name = "微软雅黑"
- run.font.size = Pt(12)
- run.bold = True
- run.italic = True
- run.font.color.rgb = RGBColor(0, 0, 0)
- # 段落设置
- para.alignment = WD_ALIGN_PARAGRAPH.CENTER
- para.paragraph_format.space_before = Pt(12)
- para.paragraph_format.space_after = Pt(12)
- para.paragraph_format.line_spacing = 1.5
- para.paragraph_format.first_line_indent = Cm(0.74)
- # 表格设置
- table.alignment = WD_TABLE_ALIGNMENT.CENTER
- cell.vertical_alignment = 1 # 垂直居中
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七、常见问题与解决方案
1. python-docx不支持.doc格式
.doc是旧版Word格式,python-docx只能处理.docx。可以先用Word手动另存为.docx,或使用win32com在Windows下转换:- import win32com.client
- word = win32com.client.Dispatch("Word.Application")
- doc = word.Documents.Open("旧文档.doc")
- doc.SaveAs("新文档.docx", FileFormat=16) # 16 = wdFormatDocumentDefault
- doc.Close()
- word.Quit()
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2. 图片操作
插入图片:- from docx.shared import Inches
- doc.add_picture("图表.png", width=Inches(5))
复制代码 提取文档中的图片需解压docx文件:- import zipfile
- import os
- with zipfile.ZipFile("文档.docx", "r") as z:
- for name in z.namelist():
- if name.startswith("word/media/"):
- z.extract(name, "提取的图片/")
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八、与其他库搭配使用
python-docx常与pandas、matplotlib、python-pptx、PDFPlumber等配合,构建自动化报告流程。典型流程是:pandas读取数据 → matplotlib生成图表 → docx插入图表和文本。示例:- import pandas as pd
- from docx import Document
- from docx.shared import Inches
- import matplotlib.pyplot as plt
- df = pd.read_excel("销售数据.xlsx")
- summary = df.groupby("月份")["金额"].sum()
- plt.figure(figsize=(8, 4))
- summary.plot(kind="bar")
- plt.title("月度销售汇总")
- plt.savefig("chart.png")
- doc = Document()
- doc.add_heading("月度销售报告", level=0)
- doc.add_paragraph(f"本月总销售额: {summary.sum():.2f} 元")
- doc.add_picture("chart.png", width=Inches(5))
- doc.save("销售报告.docx")
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总结
python-docx的核心能力集中在读取内容、写入内容、修改格式。日常办公中80%的Word自动化需求都可以通过这些基础操作满足:批量生成依赖模板和数据替换,批量提取依赖遍历文件夹和正则表达式,批量转换则是读取数据、转换格式后输出。做好Word模板的排版,是保证生成文档质量的关键第一步。 |