详解用Python把PDF转为Word方法总结

# pip install pdf2docx #安装依赖库
from pdf2docx import Converter

pdf_file = r'C:\Users\Administrator\Desktop\新建文件夹\mednine.pdf'
docx_file = r'C:\Users\Administrator\Desktop\Python教程\02.docx'

# convert pdf to docx
cv = Converter(pdf_file)
cv.convert(docx_file, start=0, end=None)
cv.close()

from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.converter import TextConverter
from pdfminer.layout import LAParams
from pdfminer.pdfpage import PDFPage
from io import StringIO
import sys
import string
from docx import Document


def convert_pdf_2_text(path):
    rsrcmgr = PDFResourceManager()
    retstr = StringIO()
    
    device = TextConverter(rsrcmgr, retstr, codec='utf-8', laparams=LAParams())
    interpreter = PDFPageInterpreter(rsrcmgr, device)
    
    with open(path, 'rb') as fp:
        for page in PDFPage.get_pages(fp, set()):
            interpreter.process_page(page)
            #print(retstr.getvalue())  
        text = retstr.getvalue()
    device.close()
    retstr.close()
    return text


def pdf2txt():
    text=convert_pdf_2_text(path)
    with open('real.txt','a',encoding='utf-8') as f:
        for line in text.split('\n'):
            f.write(line+'\n')

        

def remove_control_characters(content):
    mpa = dict.fromkeys(range(32))
    return content.translate(mpa)
    
def save_text_to_word(content, file_path):     

    doc = Document()
    for line in content.split(''):
        print(line)
            
        paragraph = doc.add_paragraph()
        paragraph.add_run(remove_control_characters(line))
    doc.save(file_path)


if __name__ == '__main__':
    path = r'C:\Users\mayn\Desktop\程序临时\培训教材.pdf'  # 你自己的pdf文件路径及文件名 不适合扫描版 只适合标准PDF文件
    text = convert_pdf_2_text(path)
    save_text_to_word(text, 'output.doc')  #PDF转为word方法
    #pdf2txt()  #PDF转为txt方法

import pdfplumber
import pandas as pd
import time
from time import  ctime
import psutil as ps 
#import threading
import gc
pdf = pdfplumber.open(r"C:\Users\Administrator\Desktop\新建文件夹\mednine.pdf")
N=len(pdf.pages)
print('总共有',N,'页')

def pdf2exl(i): # 读取了第i页，第i页是有表格的，
    print('********************************************************************************************************************************************************')
    print('正在输出第',str(i+1),'页表格')
    print('********************************************************************************************************************************************************')   
    p0 = pdf.pages[i]
    try:
        table = p0.extract_table()
        print(table)
    
        df = pd.DataFrame(table[1:], columns=table[0])
    #print(df)
        df.to_excel(r"C:\Users\Administrator\Desktop\新建文件夹\Model"+str(i+1)+".xlsx")
    
        #df.info(memory_usage='deep')
        
        
    except Exception as e:
        print('第'+str(i+1)+'页无表格，或者检查是否存在表格')       
       
        pass
    #print('目前内存占用率是百分之',str(ps.virtual_memory().percent),'    第',str(i+1),'页输出完毕')
    print('**********************************************************************************************************************************************************')
    print('\n\n\n') 
    time.sleep(5)


def dojob1():  #此函数  直接循环提取PDF里面各个页面的表格 
    print('*********************')
    for i in range(0,N):
        pdf2exl(i)    

import camelot
import wand

# 从PDF文件中提取表格

def output(i):  
    #print(tables)
    #for i in range(5):
    tables = camelot.read_pdf(r'C:\Users\Administrator\Desktop\新建文件夹\mednine.pdf', pages=str(i), flavor='stream')
    print(tables[i])
    
# 表格数据
    print(tables[i].data)
    
    tables[i].to_csv(r'C:\Users\Administrator\Desktop\新建文件夹\002'+str(i)+r'.csv')


def plotpdf():
        # 这个是画pdf 结构的函数 现在不能用 不要打开
    
    #print(tables[0])
    tables = camelot.read_pdf(r'C:\Users\mayn\Desktop\vcode工作区\11\路基.pdf', pages='200', flavor='stream')
    camelot.plot(tables[0], kind='text')
    print(tables[0])
    plt.show()
    # 绘制PDF文档的坐标，定位表格所在的位置  
    #plt = camelot.plot(tables[0],kind='text')
    #plt.show()
    #table_df = tables[0].df

#plotpdf() 
#i=3
#output(i)
for i in range(0,2):
    try:    
        output(i)
    except Exception as e:
        print('第'+str(i)+'页没找到表格啊啊啊')
        pass 
    continue