python进行word转pdf,实现PDF文件的合并、拆分,PDF页面旋转和PDF页面增加水印。
时间: 2023-06-09 07:08:06 浏览: 96
你可以使用Python的第三方库PyPDF2,可以实现PDF文件的合并、拆分、页面旋转和增加水印等功能。以下是一个示例代码,用于将多个PDF文件合并成一个文件并增加水印:
```
import PyPDF2
# 打开待合并的PDF文件
pdf_files = ["file1.pdf", "file2.pdf", "file3.pdf"]
pdf_merger = PyPDF2.PdfFileMerger()
# 将PDF文件逐一合并
for pdf_file in pdf_files:
with open(pdf_file, 'rb') as file:
pdf_merger.append(file)
# 设置水印
watermark = PyPDF2.PdfFileReader(open('watermark.pdf', 'rb'))
for page in range(pdf_merger.getNumPages()):
pdf_merger.getPage(page).mergePage(watermark.getPage(0))
# 保存合并后的PDF文件(可以设置密码)
with open('merged_file.pdf', 'wb') as file:
pdf_merger.write(file)
```
相关问题
利用Python实现Word转为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
你好,可以使用Python中的PyPDF2和ReportLab库来进行Word转换为PDF格式,PDF文件的合并、拆分、页面旋转和增加水印。
对于Word转为PDF文档的格式转化,可以使用ReportLab库中的platypus包和pydocx包将Word文档转换为PDF文件。可以按照以下步骤进行操作:
1. 安装ReportLab库。可以使用pip命令进行安装,命令如下:
`pip install reportlab`
2. 安装pydocx库。可以使用pip命令进行安装,命令如下:
`pip install pydocx`
3. 打开Word文档,读取文档内容并用platypus包中的SimpleDocTemplate类创建PDF文档。将读取的内容添加到PDF文档中,并保存为PDF文件。以下是示例代码:
```
from docx import Document
from reportlab.lib.pagesizes import A4, portrait
from reportlab.platypus import SimpleDocTemplate, Paragraph
from reportlab.lib.styles import getSampleStyleSheet
def word_to_pdf(word_path, pdf_path):
document = Document(word_path)
doc = SimpleDocTemplate(pdf_path, pagesize=portrait(A4))
styles = getSampleStyleSheet()
paragraph_list = []
for para in document.paragraphs:
text = para.text
p = Paragraph(text, styles["Normal"])
paragraph_list.append(p)
doc.build(paragraph_list)
word_to_pdf("word_document.docx", "pdf_document.pdf")
```
对于PDF文件的合并、拆分,可以使用PyPDF2库中的PdfFileMerger和PdfFileReader类进行操作。以下是示例代码:
```
from PyPDF2 import PdfFileMerger, PdfFileReader, PdfFileWriter
def merge_pdfs(file_paths, output_path):
merger = PdfFileMerger()
for path in file_paths:
merger.append(path)
merger.write(output_path)
merger.close()
def split_pdfs(input_path, output_path):
input_pdf = PdfFileReader(open(input_path, "rb"))
for i in range(input_pdf.numPages):
output_pdf = PdfFileWriter()
output_pdf.addPage(input_pdf.getPage(i))
with open(output_path.format(i), "wb") as outputStream:
output_pdf.write(outputStream)
merge_pdfs(["pdf_document1.pdf", "pdf_document2.pdf"], "merged_document.pdf")
split_pdfs("pdf_document.pdf", "pdf_page_{}.pdf")
```
对于PDF页面旋转,可以使用PyPDF2库中的PdfFileReader和PdfFileWriter类进行操作。以下是示例代码:
```
from PyPDF2 import PdfFileReader, PdfFileWriter
def rotate_pdf(input_path, output_path, rotation_angle):
input_pdf = PdfFileReader(open(input_path, "rb"))
output_pdf = PdfFileWriter()
for i in range(input_pdf.numPages):
page = input_pdf.getPage(i)
page.rotateClockwise(rotation_angle)
output_pdf.addPage(page)
with open(output_path, "wb") as outputStream:
output_pdf.write(outputStream)
rotate_pdf("pdf_document.pdf", "rotated_document.pdf", 90)
```
对于PDF页面增加水印,可以使用PyPDF2库中的PdfFileReader和PdfFileWriter类进行操作。以下是示例代码:
```
from PyPDF2 import PdfFileReader, PdfFileWriter
from reportlab.lib.units import mm
from reportlab.pdfgen import canvas
def add_watermark(input_path, output_path, watermark_text):
c = canvas.Canvas("watermark.pdf", pagesize=A4)
c.setFont('Helvetica', 80)
c.setFillGray(0.5)
c.saveState()
c.rotate(45)
c.drawString(0, 0, watermark_text)
c.restoreState()
c.save()
input_pdf = PdfFileReader(open(input_path, "rb"))
output_pdf = PdfFileWriter()
watermark_pdf = PdfFileReader(open("watermark.pdf", "rb"))
for i in range(input_pdf.numPages):
page = input_pdf.getPage(i)
page.mergePage(watermark_pdf.getPage(0))
output_pdf.addPage(page)
with open(output_path, "wb") as outputStream:
output_pdf.write(outputStream)
add_watermark("pdf_document.pdf", "watermark_document.pdf", "Confidential")
```
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。
对于实现Word文档与PDF文档的格式转化,可以使用Python中的docx和pdfminer库。docx库可以读写Word文档,pdfminer库可以提取PDF文本内容。
具体步骤如下:
1. 安装docx和pdfminer库:
```
pip install python-docx
pip install pdfminer
```
2. 实现Word文档转为PDF文档:
```python
from docx2pdf import convert
# 将Word文档转为PDF文档
convert('input.docx', 'output.pdf')
```
3. 实现PDF文档转为Word文档:
```python
import pdfminer.high_level
from docx import Document
from docx.shared import Inches
# 读取PDF文本内容
text = pdfminer.high_level.extract_text('input.pdf')
# 创建Word文档
document = Document()
# 将PDF文本内容添加到Word文档中
document.add_paragraph(text)
# 保存Word文档
document.save('output.docx')
```
4. 实现PDF文件的合并:
```python
from PyPDF2 import PdfFileMerger
# 合并两个PDF文件
pdfs = ['file1.pdf', 'file2.pdf']
merger = PdfFileMerger()
for pdf in pdfs:
merger.append(pdf)
merger.write("merged.pdf")
merger.close()
```
5. 实现PDF文件的拆分:
```python
from PyPDF2 import PdfFileReader, PdfFileWriter
# 拆分单个PDF文件
pdf = 'input.pdf'
pdf_reader = PdfFileReader(pdf)
for page_num in range(pdf_reader.getNumPages()):
pdf_writer = PdfFileWriter()
pdf_writer.addPage(pdf_reader.getPage(page_num))
output_filename = f'page_{page_num}.pdf'
with open(output_filename, 'wb') as out:
pdf_writer.write(out)
```
6. 实现PDF页面旋转:
```python
from PyPDF2 import PdfFileReader, PdfFileWriter
# 对单个PDF页面进行旋转
pdf = 'input.pdf'
pdf_reader = PdfFileReader(pdf)
# 旋转第一页90度
page = pdf_reader.getPage(0)
page.rotateClockwise(90)
pdf_writer = PdfFileWriter()
pdf_writer.addPage(page)
with open('output.pdf', 'wb') as out:
pdf_writer.write(out)
```
7. 实现PDF页面增加水印:
```python
from PyPDF2 import PdfFileReader, PdfFileWriter
from reportlab.lib.units import mm
from reportlab.pdfgen import canvas
# 对单个PDF页面添加水印
pdf = 'input.pdf'
pdf_reader = PdfFileReader(pdf)
# 添加水印
watermark = 'Confidential'
c = canvas.Canvas('watermark.pdf')
c.setFont('Helvetica-Bold', 36)
c.rotate(45)
c.drawString(0, 0, watermark)
c.save()
# 将水印添加到PDF页面中
page = pdf_reader.getPage(0)
watermark_reader = PdfFileReader('watermark.pdf')
watermark_page = watermark_reader.getPage(0)
page.mergePage(watermark_page)
pdf_writer = PdfFileWriter()
pdf_writer.addPage(page)
with open('output.pdf', 'wb') as out:
pdf_writer.write(out)
```