{"id":1186112,"date":"2025-01-15T19:48:53","date_gmt":"2025-01-15T11:48:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1186112.html"},"modified":"2025-01-15T19:48:56","modified_gmt":"2025-01-15T11:48:56","slug":"python%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86pdf%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1186112.html","title":{"rendered":"python\u5982\u4f55\u5904\u7406pdf\u6587\u4ef6"},"content":{"rendered":"

\"python\u5982\u4f55\u5904\u7406pdf\u6587\u4ef6\"<\/p>\n

Python\u5904\u7406PDF\u6587\u4ef6\u7684\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u5305\u62ec\u8bfb\u53d6\u3001\u4fee\u6539\u3001\u5408\u5e76\u3001\u62c6\u5206\u7b49\u64cd\u4f5c\u3002\u4e3b\u8981\u7684\u65b9\u6cd5\u548c\u5e93\u6709\uff1aPyPDF2\u3001pdfminer\u3001reportlab\u3001pdfplumber\u3002<\/strong>\u5176\u4e2d\uff0cPyPDF2<\/strong> \u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5e93\uff0c\u53ef\u4ee5\u7528\u6765\u8fdb\u884cPDF\u7684\u8bfb\u53d6\u548c\u5904\u7406\uff1bpdfminer<\/strong> \u4e3b\u8981\u7528\u4e8e\u4ecePDF\u4e2d\u63d0\u53d6\u6587\u672c\uff1breportlab<\/strong> \u53ef\u4ee5\u751f\u6210PDF\u6587\u4ef6\uff1bpdfplumber<\/strong> \u662f\u4e00\u4e2a\u66f4\u9ad8\u7ea7\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u6df1\u5165\u89e3\u6790PDF\u5185\u5bb9\u3002<\/p>\n<\/p>\n

\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u5e93\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001PYPDF2<\/strong><\/h2>\n

PyPDF2 \u662f\u4e00\u4e2a\u7eafPython\u7f16\u5199\u7684\u5e93\uff0c\u7528\u4e8e\u4ecePDF\u4e2d\u8bfb\u53d6\u548c\u64cd\u4f5cPDF\u6587\u4ef6\uff0c\u5305\u62ec\u5408\u5e76\u3001\u62c6\u5206\u3001\u65cb\u8f6c\u3001\u52a0\u5bc6\u89e3\u5bc6\u7b49\u57fa\u672c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

1\u3001\u5b89\u88c5PyPDF2<\/h2>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5PyPDF2\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n

pip install PyPDF2<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6PDF\u6587\u4ef6<\/h2>\n<\/p>\n
\u8bfb\u53d6PDF\u6587\u4ef6\u662fPyPDF2\u6700\u57fa\u672c\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u8bfb\u53d6PDF\u6587\u4ef6\u7684\u57fa\u672c\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import PyPDF2<\/p>\n
\u6253\u5f00PDF\u6587\u4ef6<\/strong><\/h2>\n
with open('example.pdf', 'rb') as file:<\/p>\n
    reader = PyPDF2.PdfFileReader(file)<\/p>\n
    # \u83b7\u53d6PDF\u6587\u4ef6\u7684\u9875\u6570<\/p>\n
    num_pages = reader.numPages<\/p>\n
    print(f"Total number of pages: {num_pages}")<\/p>\n
    # \u8bfb\u53d6\u7b2c\u4e00\u9875\u5185\u5bb9<\/p>\n
    page = reader.getPage(0)<\/p>\n
    print(page.extract_text())<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u5408\u5e76PDF\u6587\u4ef6<\/h2>\n<\/p>\n
PyPDF2 \u8fd8\u53ef\u4ee5\u7528\u6765\u5408\u5e76\u591a\u4e2aPDF\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u5408\u5e76PDF\u6587\u4ef6\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import PyPDF2<\/p>\n
merger = PyPDF2.PdfFileMerger()<\/p>\n
\u5408\u5e76\u591a\u4e2aPDF\u6587\u4ef6<\/strong><\/h2>\n
for pdf in ['file1.pdf', 'file2.pdf']:<\/p>\n
    merger.append(pdf)<\/p>\n
\u8f93\u51fa\u5408\u5e76\u540e\u7684PDF\u6587\u4ef6<\/strong><\/h2>\n
merger.write("merged.pdf")<\/p>\n
merger.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u62c6\u5206PDF\u6587\u4ef6<\/h2>\n<\/p>\n
PyPDF2 \u4e5f\u53ef\u4ee5\u7528\u6765\u62c6\u5206PDF\u6587\u4ef6\uff0c\u5c06\u4e00\u4e2aPDF\u6587\u4ef6\u62c6\u5206\u6210\u591a\u4e2a\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u62c6\u5206PDF\u6587\u4ef6\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import PyPDF2<\/p>\n
\u6253\u5f00PDF\u6587\u4ef6<\/strong><\/h2>\n
with open('example.pdf', 'rb') as file:<\/p>\n
    reader = PyPDF2.PdfFileReader(file)<\/p>\n
    # \u521b\u5efa\u4e00\u4e2aPDF\u5199\u5165\u5668<\/p>\n
    writer = PyPDF2.PdfFileWriter()<\/p>\n
    # \u6dfb\u52a0\u6307\u5b9a\u9875\u5230\u5199\u5165\u5668<\/p>\n
    for page_num in range(reader.numPages):<\/p>\n
        page = reader.getPage(page_num)<\/p>\n
        writer.addPage(page)<\/p>\n
        # \u8f93\u51fa\u6bcf\u4e00\u9875\u4e3a\u4e00\u4e2a\u65b0\u7684PDF\u6587\u4ef6<\/p>\n
        with open(f'page_{page_num + 1}.pdf', 'wb') as output_file:<\/p>\n
            writer.write(output_file)<\/p>\n
<\/code><\/pre>\n<\/p>\n
5\u3001\u65cb\u8f6cPDF\u9875\u9762<\/h2>\n<\/p>\n
PyPDF2 \u8fd8\u53ef\u4ee5\u7528\u6765\u65cb\u8f6cPDF\u9875\u9762\u3002\u4ee5\u4e0b\u662f\u65cb\u8f6cPDF\u9875\u9762\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import PyPDF2<\/p>\n
\u6253\u5f00PDF\u6587\u4ef6<\/strong><\/h2>\n
with open('example.pdf', 'rb') as file:<\/p>\n
    reader = PyPDF2.PdfFileReader(file)<\/p>\n
    writer = PyPDF2.PdfFileWriter()<\/p>\n
    # \u65cb\u8f6c\u7b2c\u4e00\u9875<\/p>\n
    page = reader.getPage(0)<\/p>\n
    page.rotateClockwise(90)<\/p>\n
    writer.addPage(page)<\/p>\n
    # \u8f93\u51fa\u65cb\u8f6c\u540e\u7684PDF\u6587\u4ef6<\/p>\n
    with open('rotated.pdf', 'wb') as output_file:<\/p>\n
        writer.write(output_file)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001PDFMINER<\/strong><\/h2>\n
pdfminer \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5e93\uff0c\u4e13\u95e8\u7528\u4e8e\u4ecePDF\u4e2d\u63d0\u53d6\u6587\u672c\u5185\u5bb9\u3002\u5b83\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684PDF\u6587\u4ef6\uff0c\u5e76\u63d0\u53d6\u5176\u4e2d\u7684\u6587\u672c\u3001\u56fe\u50cf\u548c\u5176\u4ed6\u6570\u636e\u3002<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5pdfminer<\/h2>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5pdfminer\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
pip install pdfminer.six<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u63d0\u53d6PDF\u6587\u672c<\/h2>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528pdfminer\u63d0\u53d6PDF\u6587\u672c\u7684\u57fa\u672c\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
from pdfminer.high_level import extract_text<\/p>\n
\u63d0\u53d6PDF\u6587\u672c<\/strong><\/h2>\n
text = extract_text('example.pdf')<\/p>\n
print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u63d0\u53d6PDF\u4e2d\u7684\u8868\u683c<\/h2>\n<\/p>\n
pdfminer\u8fd8\u53ef\u4ee5\u7528\u6765\u63d0\u53d6PDF\u4e2d\u7684\u8868\u683c\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u63d0\u53d6PDF\u8868\u683c\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
from pdfminer.high_level import extract_text<\/p>\n
from pdfminer.layout import LAParams<\/p>\n
\u8bbe\u7f6e\u5e03\u5c40\u53c2\u6570<\/strong><\/h2>\n
laparams = LAParams()<\/p>\n
laparams.boxes_flow = None<\/p>\n
\u63d0\u53d6PDF\u6587\u672c<\/strong><\/h2>\n
text = extract_text('example.pdf', laparams=laparams)<\/p>\n
print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u63d0\u53d6PDF\u4e2d\u7684\u56fe\u50cf<\/h2>\n<\/p>\n
pdfminer \u8fd8\u53ef\u4ee5\u7528\u6765\u63d0\u53d6PDF\u4e2d\u7684\u56fe\u50cf\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u63d0\u53d6PDF\u56fe\u50cf\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
from pdfminer.high_level import extract_pages<\/p>\n
from pdfminer.layout import LTImage<\/p>\n
\u63d0\u53d6PDF\u4e2d\u7684\u56fe\u50cf<\/strong><\/h2>\n
for page_layout in extract_pages('example.pdf'):<\/p>\n
    for element in page_layout:<\/p>\n
        if isinstance(element, LTImage):<\/p>\n
            with open(f'{element.name}.jpg', 'wb') as image_file:<\/p>\n
                image_file.write(element.stream.get_data())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001REPORTLAB<\/strong><\/h2>\n
reportlab \u662f\u4e00\u4e2a\u7528\u4e8e\u751f\u6210PDF\u6587\u4ef6\u7684\u5f3a\u5927\u5e93\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u590d\u6742\u7684PDF\u6587\u4ef6\uff0c\u5305\u62ec\u6587\u672c\u3001\u56fe\u50cf\u3001\u56fe\u8868\u7b49\u5185\u5bb9\u3002<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5reportlab<\/h2>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5reportlab\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
pip install reportlab<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u521b\u5efaPDF\u6587\u4ef6<\/h2>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528reportlab\u521b\u5efaPDF\u6587\u4ef6\u7684\u57fa\u672c\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
from reportlab.lib.pagesizes import letter<\/p>\n
from reportlab.pdfgen import canvas<\/p>\n
\u521b\u5efaPDF\u6587\u4ef6<\/strong><\/h2>\n
c = canvas.Canvas('example.pdf', pagesize=letter)<\/p>\n
width, height = letter<\/p>\n
\u6dfb\u52a0\u6587\u672c<\/strong><\/h2>\n
c.drawString(100, 750, 'Hello, World!')<\/p>\n
\u6dfb\u52a0\u56fe\u50cf<\/strong><\/h2>\n
c.drawImage('example.jpg', 100, 500, width=200, height=100)<\/p>\n
\u4fdd\u5b58PDF\u6587\u4ef6<\/strong><\/h2>\n
c.save()<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u521b\u5efa\u590d\u6742\u7684PDF\u6587\u4ef6<\/h2>\n<\/p>\n
reportlab \u8fd8\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u590d\u6742\u7684PDF\u6587\u4ef6\uff0c\u5305\u62ec\u8868\u683c\u3001\u56fe\u8868\u7b49\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u590d\u6742PDF\u6587\u4ef6\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
from reportlab.lib.pagesizes import letter<\/p>\n
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle<\/p>\n
from reportlab.lib import colors<\/p>\n
\u521b\u5efaPDF\u6587\u4ef6<\/strong><\/h2>\n
doc = SimpleDocTemplate('example.pdf', pagesize=letter)<\/p>\n
\u521b\u5efa\u8868\u683c\u6570\u636e<\/strong><\/h2>\n
data = [<\/p>\n
    ['Header1', 'Header2', 'Header3'],<\/p>\n
    ['Row1 Col1', 'Row1 Col2', 'Row1 Col3'],<\/p>\n
    ['Row2 Col1', 'Row2 Col2', 'Row2 Col3'],<\/p>\n
]<\/p>\n
\u521b\u5efa\u8868\u683c<\/strong><\/h2>\n
table = Table(data)<\/p>\n
\u8bbe\u7f6e\u8868\u683c\u6837\u5f0f<\/strong><\/h2>\n
style = TableStyle([<\/p>\n
    ('BACKGROUND', (0, 0), (-1, 0), colors.grey),<\/p>\n
    ('TEXTCOLOR', (0, 0), (-1, 0), colors.whitesmoke),<\/p>\n
    ('ALIGN', (0, 0), (-1, -1), 'CENTER'),<\/p>\n
    ('FONTNAME', (0, 0), (-1, 0), 'Helvetica-Bold'),<\/p>\n
    ('BOTTOMPADDING', (0, 0), (-1, 0), 12),<\/p>\n
    ('BACKGROUND', (0, 1), (-1, -1), colors.beige),<\/p>\n
    ('GRID', (0, 0), (-1, -1), 1, colors.black),<\/p>\n
])<\/p>\n
table.setStyle(style)<\/p>\n
\u6dfb\u52a0\u8868\u683c\u5230PDF\u6587\u4ef6<\/strong><\/h2>\n
elements = [table]<\/p>\n
doc.build(elements)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001PDFPLUMBER<\/strong><\/h2>\n
pdfplumber \u662f\u4e00\u4e2a\u66f4\u9ad8\u7ea7\u7684PDF\u5904\u7406\u5de5\u5177\uff0c\u80fd\u591f\u6df1\u5165\u89e3\u6790PDF\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5305\u62ec\u6587\u672c\u3001\u8868\u683c\u3001\u56fe\u50cf\u7b49\u3002<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5pdfplumber<\/h2>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5pdfplumber\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
pip install pdfplumber<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u63d0\u53d6PDF\u6587\u672c<\/h2>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528pdfplumber\u63d0\u53d6PDF\u6587\u672c\u7684\u57fa\u672c\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import pdfplumber<\/p>\n
\u6253\u5f00PDF\u6587\u4ef6<\/strong><\/h2>\n
with pdfplumber.open('example.pdf') as pdf:<\/p>\n
    # \u63d0\u53d6\u6bcf\u4e00\u9875\u7684\u6587\u672c<\/p>\n
    for page in pdf.pages:<\/p>\n
        text = page.extract_text()<\/p>\n
        print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u63d0\u53d6PDF\u4e2d\u7684\u8868\u683c<\/h2>\n<\/p>\n
pdfplumber \u8fd8\u53ef\u4ee5\u7528\u6765\u63d0\u53d6PDF\u4e2d\u7684\u8868\u683c\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u63d0\u53d6PDF\u8868\u683c\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import pdfplumber<\/p>\n
\u6253\u5f00PDF\u6587\u4ef6<\/strong><\/h2>\n
with pdfplumber.open('example.pdf') as pdf:<\/p>\n
    # \u63d0\u53d6\u6bcf\u4e00\u9875\u7684\u8868\u683c<\/p>\n
    for page in pdf.pages:<\/p>\n
        tables = page.extract_tables()<\/p>\n
        for table in tables:<\/p>\n
            for row in table:<\/p>\n
                print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u63d0\u53d6PDF\u4e2d\u7684\u56fe\u50cf<\/h2>\n<\/p>\n
pdfplumber \u8fd8\u53ef\u4ee5\u7528\u6765\u63d0\u53d6PDF\u4e2d\u7684\u56fe\u50cf\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u63d0\u53d6PDF\u56fe\u50cf\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
import pdfplumber<\/p>\n
\u6253\u5f00PDF\u6587\u4ef6<\/strong><\/h2>\n
with pdfplumber.open('example.pdf') as pdf:<\/p>\n
    # \u63d0\u53d6\u6bcf\u4e00\u9875\u7684\u56fe\u50cf<\/p>\n
    for page in pdf.pages:<\/p>\n
        images = page.images<\/p>\n
        for image in images:<\/p>\n
            print(image)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n
\u901a\u8fc7\u4e0a\u8ff0\u4ecb\u7ecd\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230Python\u5904\u7406PDF\u6587\u4ef6\u7684\u591a\u79cd\u65b9\u5f0f\u548c\u5e93\u3002\u6bcf\u4e2a\u5e93\u90fd\u6709\u5176\u72ec\u7279\u7684\u529f\u80fd\u548c\u5e94\u7528\u573a\u666f\uff1a<\/p>\n<\/p>\n
    \n
  • PyPDF2<\/strong>\uff1a\u9002\u5408\u57fa\u672c\u7684PDF\u64cd\u4f5c\uff0c\u5982\u8bfb\u53d6\u3001\u5408\u5e76\u3001\u62c6\u5206\u3001\u65cb\u8f6c\u7b49\u3002<\/li>\n
  • pdfminer<\/strong>\uff1a\u9002\u5408\u4ecePDF\u4e2d\u63d0\u53d6\u6587\u672c\u548c\u5176\u4ed6\u6570\u636e\u3002<\/li>\n
  • reportlab<\/strong>\uff1a\u9002\u5408\u751f\u6210\u590d\u6742\u7684PDF\u6587\u4ef6\uff0c\u5305\u62ec\u6587\u672c\u3001\u56fe\u50cf\u3001\u56fe\u8868\u7b49\u3002<\/li>\n
  • pdfplumber<\/strong>\uff1a\u9002\u5408\u6df1\u5165\u89e3\u6790PDF\u5185\u5bb9\uff0c\u5305\u62ec\u6587\u672c\u3001\u8868\u683c\u3001\u56fe\u50cf\u7b49\u3002<\/li>\n<\/ul>\n
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