利用Python实现Word文档与PDF文档的格式转化 (提取PDF文本内容),实现PDF文件的合并、拆分,PDF页面旋转已经PDF页面增加水印。
时间: 2024-04-29 21:27:01 浏览: 6
可以使用Python第三方库pyPDF2实现Word文档与PDF文档的格式转化,提取PDF文本内容,实现PDF文件的合并、拆分以及PDF页面旋转。例如,要将Word文档转为PDF格式可以使用以下代码:
```python
import docx2pdf
docx_file = 'example.docx'
pdf_file = 'example.pdf'
docx2pdf.convert(docx_file, pdf_file)
```
要提取PDF文本内容,可以使用pyPDF2库中的PdfFileReader()方法和extractText()方法,例如:
```python
from PyPDF2 import PdfFileReader
pdf_file = 'example.pdf'
with open(pdf_file, 'rb') as f:
pdf_reader = PyPDF2.PdfFileReader(f)
page = pdf_reader.getPage(0)
text = page.extractText()
print(text)
```
要实现PDF文件的合并,可以使用pyPDF2库中的PdfFileMerger()方法和addPages()方法,例如:
```python
from PyPDF2 import PdfFileMerger
pdf_files = ['file1.pdf', 'file2.pdf', 'file3.pdf']
merger = PdfFileMerger()
for pdf_file in pdf_files:
merger.append(pdf_file)
merger.write('merged_file.pdf')
```
要实现PDF文件的拆分,可以使用pyPDF2库中的PdfFileWriter()方法和addPage()方法,例如:
```python
from PyPDF2 import PdfFileReader, PdfFileWriter
pdf_file = 'example.pdf'
with open(pdf_file, 'rb') as f:
pdf_reader = PyPDF2.PdfFileReader(f)
for page_num in range(pdf_reader.getNumPages()):
writer = PdfFileWriter()
writer.addPage(pdf_reader.getPage(page_num))
output_filename = f"page{page_num}.pdf"
with open(output_filename, 'wb') as out:
writer.write(out)
```
要实现PDF页面旋转,可以使用pyPDF2库中的PdfFileReader()和PdfFileWriter()方法和rotateClockwise()方法或rotateCounterClockwise()方法,例如:
```python
from PyPDF2 import PdfFileReader, PdfFileWriter
pdf_file = 'example.pdf'
with open(pdf_file, 'rb') as f:
pdf_reader = PyPDF2.PdfFileReader(f)
writer = PdfFileWriter()
for page_num in range(pdf_reader.getNumPages()):
page = pdf_reader.getPage(page_num)
page.rotateClockwise(90)
writer.addPage(page)
with open('rotated_file.pdf', 'wb') as out:
writer.write(out)
```
要实现PDF页面增加水印,可以使用pyPDF2库中的PdfFileReader()和PdfFileWriter()方法和mergePage()方法,例如:
```python
from PyPDF2 import PdfFileReader, PdfFileWriter
input_file = 'example.pdf'
watermark_file = 'watermark.pdf'
output_file = 'output.pdf'
with open(input_file, 'rb') as f:
input_pdf = PdfFileReader(f)
with open(watermark_file, 'rb') as f_watermark:
watermark_pdf = PdfFileReader(f_watermark).getPage(0)
writer = PdfFileWriter()
for page_num in range(input_pdf.getNumPages()):
page = input_pdf.getPage(page_num)
page.mergePage(watermark_pdf)
writer.addPage(page)
with open(output_file, 'wb') as f_output:
writer.write(f_output)
```