本篇文章由 VeriMake 旧版论坛中备份出的原帖的 Markdown 源码生成
原帖标题为：使用 PyPDF2 合并 PDF 文件
原帖网址为：https://verimake.com/topics/72 （旧版论坛网址，已失效）
原帖作者为：yxl（旧版论坛 id = 26，注册于 2020-04-14 20:30:42）
原帖由作者初次发表于 2020-04-14 20:33:55，最后编辑于 2020-04-14 20:33:55（编辑时间可能不准确）
截至 2021-12-18 14:27:30 备份数据库时，原帖已获得 1307 次浏览、2 个点赞、0 条回复
** pdf_combine(pdfs=[], newFile="") **
将多个pdf合并成一个。
此函数需要安装PyPDF2包
the function need to install PyPDF2
pip install PyPDF2
参数：
pdfs: a list of strings, an empty string (default), optional,
要合并的pdf路径的list，选项:
- list of strings (not empty): 在新的pdf中按照list顺序写入list中pdf的内容
- empty string: print出错误指示，无法形成新的pdf
newFile: string or None (default), optional,
即将形成的新pdf路径，选项：
- string: 在这个新的路径下形成pdf
- None: 新的pdf将使用pdfs这个list中第一个路径的位置，并在文件名后增加"_new"
Combine multiple pdfs into single file.
Parameters:
pdfs: a list strings, an empty string (default), optional,
The list of paths of pdfs that is going to be combined.options:
- list of strings (not empty): New pdf will be written with the order of list.
- empty string: Error will be printed, stated that the combination cannot be done.
newFile: string or None (default), optional,
The path of new pdf that the function is going to write combined content in. options:
- string: The new pdf will be formed with the path provided.
- None: The new pdf will be formed with the same name and directory as the first pdf file in the list pdfs with "_new" after its filename.
Code
import PyPDF2
def pdf_comb(pdfs=[],newFile=None):
if len(pdfs)==0:
print("cannot combing pdfs without pdf given")
else:
newName=pdfs[0].replace(".pdf","_new.pdf")
if newFile!=None:
newName=newFile
pdfWriter = PyPDF2.PdfFileWriter()
pdf_files=[]
with open(newName, 'wb') as comb_pdf:
for i in range(len(pdfs)):
pdf_files.append(open(pdfs[i],'rb'))
pdfReader=PyPDF2.PdfFileReader(pdf_files[i])
for page in range(pdfReader.numPages):
pageObj = pdfReader.getPage(page)
pdfWriter.addPage(pageObj)
pdfWriter.write(comb_pdf)
comb_pdf.close()
for i in range(len(pdfs)):
pdf_files[i].close()
print("Done! files number:",len(pdfs))
Examples
pdf_s=["C:\\Users\\yexue\\Documents\\UG\\ST221 Assignment1.pdf","C:\\Users\\yexue\\Documents\\UG\\st218_weeks1and2.pdf","C:\\Users\\yexue\\Documents\\UG\\st218_ex1_2019.pdf"]
newName="C:\\Users\\yexue\\Documents\\combined_assessment3.pdf"
pdf_comb(pdf_s, newName)
Refrence
网站备案号:ICP备16046599号-1