#!/usr/bin/env python3
"""
分析PDF文件结构，查看前几页内容
"""
from PyPDF2 import PdfReader

def view_pdf_content(pdf_path, start_page=0, end_page=5):
    """
    查看PDF指定页面的内容
    """
    reader = PdfReader(pdf_path)
    total_pages = len(reader.pages)
    print(f"PDF总页数: {total_pages}")
    
    for page_num in range(start_page, min(end_page, total_pages)):
        page = reader.pages[page_num]
        text = page.extract_text()
        print(f"\n{'='*60}")
        print(f"第 {page_num + 1} 页:")
        print('='*60)
        if text:
            print(text[:2000])
        else:
            print("(无文本内容)")

if __name__ == '__main__':
    pdf_path = '/Users/duguoyou/D365/MB-330_with_discussion.pdf'
    view_pdf_content(pdf_path, 0, 3)