[Python] 纯文本查看 复制代码
import tkinter as tk
from tkinter import ttk, filedialog, messagebox
import PyPDF2
from pathlib import Path
import threading
class PDFUnlockerGUI:
def __init__(self, root):
self.root = root
self.root.title("PDF解锁工具")
self.root.geometry("600x400")
self.root.resizable(True, True)
# 创建界面
self.create_widgets()
# 处理状态
self.is_processing = False
def create_widgets(self):
"""
创建界面组件
"""
# 主框架
main_frame = ttk.Frame(self.root, padding="10")
main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))
# 配置网格权重
self.root.columnconfigure(0, weight=1)
self.root.rowconfigure(0, weight=1)
main_frame.columnconfigure(1, weight=1)
# 输入文件/目录选择
ttk.Label(main_frame, text="选择文件或目录:").grid(row=0, column=0, sticky=tk.W, pady=5)
self.path_var = tk.StringVar()
self.path_entry = ttk.Entry(main_frame, textvariable=self.path_var)
self.path_entry.grid(row=0, column=1, sticky=(tk.W, tk.E), padx=(5, 5), pady=5)
self.browse_button = ttk.Button(main_frame, text="浏览...", command=self.browse_path)
self.browse_button.grid(row=0, column=2, padx=(5, 0), pady=5)
# 进度条
self.progress_var = tk.DoubleVar()
self.progress_bar = ttk.Progressbar(main_frame, variable=self.progress_var, maximum=100)
self.progress_bar.grid(row=1, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=10)
# 状态标签
self.status_var = tk.StringVar(value="就绪")
self.status_label = ttk.Label(main_frame, textvariable=self.status_var)
self.status_label.grid(row=2, column=0, columnspan=3, sticky=tk.W, pady=5)
# 结果文本框
self.result_text = tk.Text(main_frame, height=15, width=70)
self.result_text.grid(row=3, column=0, columnspan=3, sticky=(tk.W, tk.E, tk.N, tk.S), pady=10)
# 滚动条
scrollbar = ttk.Scrollbar(main_frame, orient=tk.VERTICAL, command=self.result_text.yview)
scrollbar.grid(row=3, column=3, sticky=(tk.N, tk.S))
self.result_text.configure(yscrollcommand=scrollbar.set)
# 开始按钮
self.start_button = ttk.Button(main_frame, text="开始处理", command=self.start_processing)
self.start_button.grid(row=4, column=1, pady=10)
# 配置结果文本框的网格权重
main_frame.rowconfigure(3, weight=1)
def browse_path(self):
"""
浏览文件或目录
"""
# 创建一个选择对话框
file_path = filedialog.askopenfilename(
title="选择PDF文件",
filetypes=[("PDF files", "*.pdf"), ("All files", "*.*")]
)
if not file_path:
# 如果没有选择文件，则尝试选择目录
dir_path = filedialog.askdirectory(title="选择包含PDF文件的目录")
if dir_path:
self.path_var.set(dir_path)
else:
self.path_var.set(file_path)
def copy_pdf_pages(self, input_path: str, output_path: str) -> bool:
"""
移除PDF文件的所有限制
Args:
input_path: 输入PDF文件路径
output_path: 输出PDF文件路径
Returns:
是否成功移除限制
"""
try:
with open(input_path, 'rb') as input_file:
reader = PyPDF2.PdfReader(input_file)
writer = PyPDF2.PdfWriter()
# 复制所有页面
for page in reader.pages:
writer.add_page(page)
# 写入新文件（不设置任何加密或限制）
with open(output_path, 'wb') as output_file:
writer.write(output_file)
return True
except Exception as e:
self.result_text.insert(tk.END, f"处理文件 '{input_path}' 时发生错误: {e}\n")
return False
def process_files(self):
"""
在后台线程中处理文件
"""
input_path = self.path_var.get().strip()
if not input_path:
messagebox.showerror("错误", "请选择要处理的文件或目录")
self.is_processing = False
return
path_obj = Path(input_path)
if not path_obj.exists():
messagebox.showerror("错误", "指定的文件或目录不存在")
self.is_processing = False
return
try:
if path_obj.is_dir():
files = list(path_obj.glob("**/*.pdf"))
else:
files = [path_obj]
total = len(files)
if total == 0:
self.result_text.insert(tk.END, "未找到PDF文件\n")
self.status_var.set("未找到PDF文件")
self.is_processing = False
return
self.result_text.insert(tk.END, f"找到 {total} 个PDF文件\n")
self.result_text.insert(tk.END, "=" * 50 + "\n")
success_count = 0
for i, pdf_file in enumerate(files, start=1):
if not self.is_processing: # 用户取消操作
break
# 更新进度
progress = (i / total) * 100
self.progress_var.set(progress)
self.status_var.set(f"正在处理: {pdf_file.name} ({i}/{total})")
self.root.update_idletasks()
if not pdf_file.is_file():
self.result_text.insert(tk.END, f"跳过非PDF文件: {pdf_file}\n")
continue
output_file = pdf_file.with_name(f"{pdf_file.stem}_decrypt.pdf")
success = self.copy_pdf_pages(pdf_file, output_file)
if success:
success_count += 1
self.result_text.insert(tk.END, f"✓ {pdf_file.name} 处理成功\n")
else:
self.result_text.insert(tk.END, f"✗ {pdf_file.name} 处理失败\n")
self.result_text.see(tk.END)
self.root.update_idletasks()
# 处理完成
self.progress_var.set(100)
self.status_var.set(f"处理完成: {success_count}/{total} 个文件成功处理")
self.result_text.insert(tk.END, "=" * 50 + "\n")
self.result_text.insert(tk.END, f"处理完成: {success_count}/{total} 个文件成功处理\n")
except Exception as e:
self.result_text.insert(tk.END, f"处理过程中发生错误: {e}\n")
self.status_var.set("处理出错")
finally:
self.is_processing = False
self.start_button.config(text="开始处理", state=tk.NORMAL)
def start_processing(self):
"""
开始或停止处理
"""
if self.is_processing:
# 停止处理
self.is_processing = False
self.start_button.config(text="开始处理", state=tk.NORMAL)
self.status_var.set("处理已停止")
else:
# 开始处理
self.is_processing = True
self.start_button.config(text="停止处理", state=tk.NORMAL)
self.result_text.delete(1.0, tk.END)
self.progress_var.set(0)
# 在新线程中处理文件，避免阻塞GUI
thread = threading.Thread(target=self.process_files)
thread.daemon = True
thread.start()
def main():
root = tk.Tk()
app = PDFUnlockerGUI(root)
root.mainloop()
if __name__ == "__main__":
main()
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发表于 2025-8-2 23:53
|楼主
发表于 2025-10-29 17:47
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