使用tkinter GUI将PDF文件加载到程序中

import tkinter as tk
from tkinter import filedialog
import PyPDF2

window = tk.Tk()
window.title("PDF加载程序")

def open_file():
    file_path = filedialog.askopenfilename(filetypes=[("PDF Files", "*.pdf")])
    if file_path:
        load_pdf(file_path)

def load_pdf(file_path):
    pdf_file = open(file_path, "rb")
    pdf_reader = PyPDF2.PdfReader(pdf_file)
    num_pages = pdf_reader.numPages

    for page_num in range(num_pages):
        page = pdf_reader.getPage(page_num)
        text = page.extract_text()
        # 在程序中显示PDF内容，例如使用Label或Text组件
        # ...

    pdf_file.close()

open_button = tk.Button(window, text="打开PDF文件", command=open_file)
open_button.pack()

window.mainloop()