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。代码全部

好的，以下是完整的代码实现：

1. Word文档转PDF文档

from docx2pdf import convert

# 将Word文档转换为PDF文档
convert("input.docx", "output.pdf")

2. PDF文档合并

from PyPDF2 import PdfFileMerger

# 合并两个PDF文档
merger = PdfFileMerger()
merger.append("document1.pdf")
merger.append("document2.pdf")
merger.write("merged_document.pdf")
merger.close()

3. PDF文档拆分

from PyPDF2 import PdfFileReader, PdfFileWriter

# 拆分PDF文档
input_pdf = PdfFileReader(open("input.pdf", "rb"))
for i in range(input_pdf.getNumPages()):
    output_pdf = PdfFileWriter()
    output_pdf.addPage(input_pdf.getPage(i))
    with open(f"output_{i}.pdf", "wb") as output_stream:
        output_pdf.write(output_stream)

4. PDF页面旋转

from PyPDF2 import PdfFileReader, PdfFileWriter

# 旋转PDF页面
input_pdf = PdfFileReader(open("input.pdf", "rb"))
output_pdf = PdfFileWriter()
for i in range(input_pdf.getNumPages()):
    page = input_pdf.getPage(i)
    page.rotateClockwise(90)  # 顺时针旋转90度
    output_pdf.addPage(page)
with open("output.pdf", "wb") as output_stream:
    output_pdf.write(output_stream)

5. PDF页面增加水印

from PyPDF2 import PdfFileReader, PdfFileWriter
from reportlab.pdfgen import canvas

# 添加水印
input_pdf = PdfFileReader(open("input.pdf", "rb"))
output_pdf = PdfFileWriter()
watermark_pdf = canvas.Canvas("watermark.pdf")
watermark_pdf.setFont("Helvetica", 80)
watermark_pdf.setFillGray(0.5)
watermark_pdf.rotate(45)
watermark_pdf.drawString(0, 0, "WATERMARK")
watermark_pdf.save()
watermark = PdfFileReader(open("watermark.pdf", "rb")).getPage(0)
for i in range(input_pdf.getNumPages()):
    page = input_pdf.getPage(i)
    page.mergePage(watermark)
    output_pdf.addPage(page)
with open("output.pdf", "wb") as output_stream:
    output_pdf.write(output_stream)

希望以上代码可以帮到您。