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使用python读取文件，其中pdf、docx、pptx可以直接读，.ppt和.doc文件不能直接读，需要转换成.pptx和.docx文件，并且需要区分系统
如果是linux系统，请先安装组件

#doc2docx
yum install -y libreoffice-headless
yum install -y libreoffice-writer# ppt2pptx
yum install epel-release -y
yum install libgdiplus -y
pip3 install aspose.slides

python代码如下：

import osdef read_pptx(fp):import pptxprs = pptx.Presentation(fp)for i, slide in enumerate(prs.slides):# if i == 1:  在这里可以指定提取ppt的具体页数for shape in slide.shapes:if shape.has_text_frame:text_frame = shape.text_frameprint(str(i) + '页：' + text_frame.text)def read_ppt(fp):import platformos_type = platform.system()if os_type == "Windows":import win32com.client as wcpowerpoint = wc.Dispatch("PowerPoint.Application")wc.gencache.EnsureDispatch("PowerPoint.Application")powerpoint.Visible = 1ppt = powerpoint.Presentations.Open(fp)ppt.SaveAs(fp+"x")powerpoint.Quit()elif os_type == "Linux":import aspose.slides as slideswith slides.Presentation(fp) as presentation:presentation.save(fp+"x", slides.export.SaveFormat.PPTX)read_pptx(fp+"x")def read_docx(fp):import docxfile = docx.Document(fp)print("段落数:" + str(len(file.paragraphs)))  # 段落数为13，每个回车隔离一段# 输出每一段的内容for para in file.paragraphs:print(para.text)def read_doc(fp):import platformos_type = platform.system()if os_type == "Windows":import doc2docxdoc2docx.convert(fp,fp+"x")elif os_type == "Linux":import subprocesssubprocess.check_output(["soffice", "--headless", "–-invisible", "--convert-to", "docx", fp, "--outdir", fp+"x"])read_docx(fp + "x")def read_pdf(fp):import pdfplumberpdfFile = open(fp,"rb")pdf = pdfplumber.open(pdfFile)for page in pdf.pages:text = page.extract_text()print(text)# file_path = "*.pptx"
file_path = "*.ppt"
# file_path = "*.docx"
# file_path = "*.doc"
# file_path = "*.pdf"
file_extension = os.path.splitext(file_path)[-1].lower()
print("文件后缀：" + file_extension)
if file_extension == '.pptx':print("读取pptx文件")read_pptx(file_path)
elif file_extension == '.ppt':print("读取ppt文件")read_ppt(file_path)
elif file_extension == ".docx":print("读取docx文件")read_docx(file_path)
elif file_extension == ".doc":print("读取doc文件")read_doc(file_path)
elif file_extension == ".pdf":print("读取pdf文件")read_pdf(file_path)