import tkinter as tk from tkinter import filedialog

root = tk.Tk() root.withdraw()

选择文件对话框

file_path = filedialog.askopenfilename()

选择输出路径对话框

output_path = filedialog.askdirectory()

打开文件并读取内容

with open(file_path, 'r') as f: content = f.read()

处理文件内容

processed_content = content.upper()

写入处理后的内容到新文件

with open(output_path + '/processed_file.txt', 'w') as f: f.write(processed_content)