{"id":5509,"date":"2025-02-20T08:12:17","date_gmt":"2025-02-20T00:12:17","guid":{"rendered":"https:\/\/benson80.eu.org\/?p=5509"},"modified":"2025-02-20T08:48:54","modified_gmt":"2025-02-20T00:48:54","slug":"%e8%bd%bb%e6%9d%be%e6%89%b9%e9%87%8f%e8%a7%a3%e5%af%86%ef%bc%9a%e4%bd%bf%e7%94%a8-python-%e8%a7%a3%e9%94%81%e5%8a%a0%e5%af%86-pdf-%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/benson80.eu.org\/?p=5509","title":{"rendered":"\u8f7b\u677e\u6279\u91cf\u89e3\u5bc6\uff1a\u4f7f\u7528 Python \u89e3\u9501\u52a0\u5bc6 PDF \u6587\u4ef6"},"content":{"rendered":"\n

\u5728\u8fd9\u7bc7\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 Python \u7f16\u5199\u4e00\u4e2a\u6279\u91cf\u89e3\u5bc6 PDF \u6587\u4ef6\u7684\u5de5\u5177\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u56fe\u5f62\u754c\u9762\uff08GUI\uff09\uff0c\u4ee5\u4fbf\u66f4\u8f7b\u677e\u5730\u64cd\u4f5c\u3002\u6211\u4eec\u5c06\u4f7f\u7528 PyPDF2<\/code> \u5e93\u6765\u5904\u7406 PDF \u6587\u4ef6\uff0c\u5e76\u4f7f\u7528 Tkinter<\/code> \u5e93\u521b\u5efa\u56fe\u5f62\u754c\u9762\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u5c06\u4ecb\u7ecd\u5982\u4f55\u5c06\u8be5\u811a\u672c\u8f6c\u6362\u4e3a\u53ef\u6267\u884c\u6587\u4ef6\uff08.exe<\/code>\uff09\uff0c\u5e76\u4e3a\u5176\u6dfb\u52a0\u81ea\u5b9a\u4e49\u56fe\u6807\u3002<\/p>\n\n\n\n

1. \u5b89\u88c5\u5fc5\u8981\u7684\u5e93<\/h3>\n\n\n\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5\u4e24\u4e2a Python \u5e93\uff1a<\/p>\n\n\n\n

    \n
  • PyPDF2<\/strong>\uff1a\u7528\u4e8e\u8bfb\u53d6\u548c\u64cd\u4f5c PDF \u6587\u4ef6\u3002<\/li>\n\n\n\n
  • Tkinter<\/strong>\uff1a\u7528\u4e8e\u521b\u5efa\u56fe\u5f62\u754c\u9762\u3002<\/li>\n<\/ul>\n\n\n\n

    \u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5 PyPDF2<\/code>\uff1a<\/p>\n\n\n\n

    pip install pypdf2<\/code><\/pre>\n\n\n\n
    Tkinter<\/code> \u662f Python \u7684\u6807\u51c6\u5e93\uff0c\u901a\u5e38\u5df2\u7ecf\u5305\u542b\u5728\u5b89\u88c5\u5305\u4e2d\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u5355\u72ec\u5b89\u88c5\u3002<\/p>\n\n\n\n
    2. \u7f16\u5199\u6279\u91cf\u89e3\u5bc6 PDF \u6587\u4ef6\u7684 Python \u811a\u672c<\/h3>\n\n\n\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\uff0c\u80fd\u591f\u6279\u91cf\u89e3\u5bc6 PDF \u6587\u4ef6\u3002\u5b83\u5305\u62ec\u4e00\u4e2a\u56fe\u5f62\u754c\u9762\uff0c\u5141\u8bb8\u7528\u6237\u9009\u62e9\u8981\u89e3\u5bc6\u7684 PDF \u6587\u4ef6\u5e76\u8fdb\u884c\u6279\u91cf\u89e3\u5bc6\u3002<\/p>\n\n\n\n
    Python \u811a\u672c\uff1abatch_pdf_decrypt_gui.py<\/code><\/h4>\n\n\n\n
    import os
    from PyPDF2 import PdfReader, PdfWriter
    import tkinter as tk
    from tkinter import filedialog
    from tkinter import messagebox

    def decrypt_pdf(input_pdf, output_pdf):
        try:
            # \u6253\u5f00PDF\u6587\u4ef6
            with open(input_pdf, \"rb\") as infile:
                reader = PdfReader(infile)
                
                # \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u52a0\u5bc6
                if reader.is_encrypted:
                    reader.decrypt(\"\")  # \u5982\u679c\u6ca1\u6709\u5bc6\u7801\uff0c\u5219\u4f20\u9012\u7a7a\u5b57\u7b26\u4e32\u5c1d\u8bd5\u53bb\u9664\u52a0\u5bc6
                    writer = PdfWriter()
                    
                    # \u5c06\u6240\u6709\u9875\u9762\u5199\u5165\u65b0\u7684PDF\u6587\u4ef6
                    for page_num in range(len(reader.pages)):
                        writer.add_page(reader.pages[page_num])

                    # \u4fdd\u5b58\u89e3\u5bc6\u540e\u7684PDF\u6587\u4ef6
                    with open(output_pdf, \"wb\") as outfile:
                        writer.write(outfile)
                    print(f\"\u6210\u529f\u89e3\u5bc6\u5e76\u4fdd\u5b58\u6587\u4ef6: {output_pdf}\")
                else:
                    print(f\"\u6587\u4ef6 {input_pdf} \u6ca1\u6709\u52a0\u5bc6\")
        except Exception as e:
            print(f\"\u89e3\u5bc6\u6587\u4ef6 {input_pdf} \u65f6\u51fa\u9519: {e}\")

    def batch_decrypt_pdfs(pdf_files):
        for input_pdf in pdf_files:
            output_pdf = os.path.join(os.path.dirname(input_pdf), f\"decrypted_{os.path.basename(input_pdf)}\")
            decrypt_pdf(input_pdf, output_pdf)

    def select_files():
        # \u8ba9\u7528\u6237\u9009\u62e9\u4e00\u4e2a\u6216\u591a\u4e2a PDF \u6587\u4ef6
        file_paths = filedialog.askopenfilenames(title=\"\u9009\u62e9\u9700\u8981\u89e3\u5bc6\u7684PDF\u6587\u4ef6\", filetypes=[(\"PDF files\", \"*.pdf\")])
        return file_paths

    def on_decrypt_button_click():
        # \u83b7\u53d6\u9009\u62e9\u7684 PDF \u6587\u4ef6
        pdf_files = select_files()
        if not pdf_files:
            messagebox.showerror(\"\u9519\u8bef\", \"\u8bf7\u81f3\u5c11\u9009\u62e9\u4e00\u4e2a PDF \u6587\u4ef6\uff01\")
            return

        # \u5f00\u59cb\u89e3\u5bc6
        try:
            batch_decrypt_pdfs(pdf_files)
            messagebox.showinfo(\"\u6210\u529f\", \"PDF \u6587\u4ef6\u89e3\u5bc6\u6210\u529f\uff01\")
        except Exception as e:
            messagebox.showerror(\"\u9519\u8bef\", f\"\u89e3\u5bc6\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef: {e}\")

    # \u521b\u5efa\u4e3b\u7a97\u53e3
    root = tk.Tk()
    root.title(\"PDF \u6279\u91cf\u89e3\u5bc6\u5de5\u5177\")
    root.geometry(\"400x200\")

    # \u89e3\u5bc6\u6309\u94ae
    decrypt_button = tk.Button(root, text=\"\u89e3\u5bc6\u9009\u4e2d\u7684PDF\u6587\u4ef6\", command=on_decrypt_button_click)
    decrypt_button.pack(pady=50)

    # \u8fd0\u884c\u4e3b\u5faa\u73af
    root.mainloop()<\/code><\/pre>\n\n\n\n
    3. \u811a\u672c\u8bf4\u660e<\/h3>\n\n\n\n