自学教程：基于Python编写一个有趣的进程勾选器(Process

import psutilimport tkinter as tk def save_selected_processes():    # 获取选中的进程名称和PID    selected_processes = []    for index in checklistbox.curselection():        process_info = checklistbox.get(index)        selected_processes.append(process_info)     # 将选中的进程名称和PID写入到文本文件中    with open("process.txt", "w") as f:        for process_info in selected_processes:            f.write(process_info + "/n") def update_checklistbox():    # 获取系统中所有进程的信息    process_list = psutil.process_iter()     # 清空Checklistbox    checklistbox.delete(0, tk.END)     # 循环获取每个进程的名称和PID，并添加到Checklistbox中    for process in process_list:        try:            process_name = process.name()            process_pid = process.pid            checklistbox.insert(tk.END, f"{process_name} - {process_pid}")        except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):            # 如果进程不存在、无权访问或为僵尸进程，跳过此进程并继续循环            continue     # 更新Checklistbox中的内容    checklistbox.update() # 创建GUI界面root = tk.Tk()root.title("进程列表") # 创建Checklistbox组件checklistbox = tk.Listbox(root, selectmode=tk.MULTIPLE)checklistbox.pack(fill=tk.BOTH, expand=True) # 添加一个按钮来保存选中的进程列表save_button = tk.Button(root, text="保存选中的进程", command=save_selected_processes)save_button.pack() # 初始化Checklistboxupdate_checklistbox() # 进入事件循环root.mainloop()