import subprocess
import tkinter as tk
from tkinter import messagebox, scrolledtext
from tkinter import ttkdef check_unused_ips():# 初始化ip_range = entry.get()unused_ips = []progress_bar['maximum'] = 254progress_bar['value'] = 0output.delete(1.0, tk.END)for i in range(1, 255):ip = ip_range + '.' + str(i)response = subprocess.call(['ping', '-n', '1', '-w', '1', ip], stdout=subprocess.PIPE)if response == 1:unused_ips.append(ip)progress_bar['value'] += 1window.update_idletasks()  # 更新窗口的空闲任务if len(unused_ips) > 0:for i in range(0, len(unused_ips), 10):output.insert(tk.END, "\n".join(unused_ips[i:i + 10]) + "\n")output.insert(tk.END, "===========