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python 操作pdf 替换文本内容

时间: 2024-09-09 13:13:24 浏览: 214

在Python中操作PDF文件并替换文本内容，可以借助第三方库如`PyPDF2`或更现代的`pdfplumber`。这两个库都提供了方便的功能来读取、修改PDF文档。 1. 使用`PyPDF2`: ```python import PyPDF2 # 打开PDF pdf_file = open('example.pdf', 'rb') reader = PyPDF2.PdfFileReader(pdf_file) # 获取需要替换文本的页数和对象 page_num = 0 text_to_replace = "原文本" replacement_text = "新文本" # 如果存在该页面，找到目标文本 if page_num < reader.getNumPages(): text_obj = reader.getPage(page_num).extractText() if text_to_replace in text_obj: # 替换文本 new_text = text_obj.replace(text_to_replace, replacement_text) # 写回PDF writer = PyPDF2.PdfWriter() writer.addPage(reader.getPage(page_num)) output_pdf = PdfFileMerger() output_pdf.append(writer) with open('output.pdf', 'wb') as out: output_pdf.write(out) ``` 2. 使用`pdfplumber`: ```python from pdfplumber import PDF with PDF("example.pdf") as pdf: for page in pdf.pages: content = page.extract_text() if text_to_replace in content: content = content.replace(text_to_replace, replacement_text) page.update_text(content) pdf.save("output.pdf") ```

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