使用python tkinter开发一个爬取B站直播弹幕工具的实现代码

import threading
import time
import tkinter.simpledialog
from tkinter import END, simpledialog, messagebox

import requests


class Danmu():
 def __init__(self, room_id):
  # 弹幕url
  self.url = \'https://api.live.bilibili.com/xlive/web-room/v1/dM/gethistory\'
  # 请求头
  self.headers = {
   \'Host\': \'api.live.bilibili.com\',
   \'User-Agent\': \'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0\',
  }
  # 定义POST传递的参数
  self.data = {
   \'roomid\': room_id,
   \'csrf_token\': \'\',
   \'csrf\': \'\',
   \'visit_id\': \'\',
  }
  # 日志写对象
  self.log_file_write = open(\'danmu.log\', mode=\'a\', encoding=\'utf-8\')
  # 读取日志
  log_file_read = open(\'danmu.log\', mode=\'r\', encoding=\'utf-8\')
  self.log = log_file_read.readlines()

 def get_danmu(self):
  # 暂停0.5防止cpu占用过高
  time.sleep(1)
  # 获取直播间弹幕
  html = requests.post(url=self.url, headers=self.headers, data=self.data).json()
  # 解析弹幕列表
  for content in html[\'data\'][\'room\']:
   # 获取昵称
   nickname = content[\'nickname\']
   # 获取发言
   text = content[\'text\']
   # 获取发言时间
   timeline = content[\'timeline\']
   # 记录发言
   msg = timeline + \' \' + nickname + \': \' + text
   # 判断对应消息是否存在于日志，如果和最后一条相同则打印并保存
   if msg + \'\\n\' not in self.log:
    # 打印消息
    listb.insert(END, msg)
    listb.see(END)
    # 保存日志
    self.log_file_write.write(msg + \'\\n\')
    # 添加到日志列表
    self.log.append(msg + \'\\n\')
   # 清空变量缓存
   nickname = \'\'
   text = \'\'
   timeline = \'\'
   msg = \'\'


def bilibili(delay, room_id):
 # 创建bDanmu实例
 bDanmu = Danmu(room_id)
 while True:
  # 暂停防止cpu占用过高
  time.sleep(delay)
  # 获取弹幕
  bDanmu.get_danmu()


def author():
 # 弹出对话框
 messagebox.showinfo(title=\'关于\', message=\'作者：阿壮Jonson\\n日期：2021年2月4日\\n微信公众号：科技猫\')


# tkinter GUI
window = tkinter.Tk()
window.title(\'BiliBli弹幕查看工具\')
window.minsize(300, 500)
window.geometry(\'400x600+250+100\')

# 菜单栏
menubar = tkinter.Menu(window)
# Open放在菜单栏中，就是装入容器
menubar.add_command(label=\'关于\', command=author)
# 创建菜单栏完成后，配置让菜单栏menubar显示出来
window.config(menu=menubar)

# 滚动条
sc = tkinter.Scrollbar(window)
sc.pack(side=tkinter.RIGHT, fill=tkinter.Y)
# Listbox控件
listb = tkinter.Listbox(window, yscrollcommand=sc.set)
# 将部件放置到主窗口中
listb.pack(side=tkinter.LEFT, fill=tkinter.BOTH, expand=True)
# 滚动条动，列表跟着动
sc.config(command=listb.yview)

# 获取字符串（标题，提示，初始值）
room_id = simpledialog.askstring(title=\'请输入房间号\', prompt=\'请输入房间号：\'
         , initialvalue=\'21089733\')
if room_id is not None:
 # 创建获取弹幕线程
 try:
  t = threading.Thread(target=bilibili, args=(0.5, str(room_id),))
  t.setDaemon(True)
  t.start()
 except:
  print(\"Error: 启动失败！请检查房间号是否正确\")
# 进入循环显示
window.mainloop()

pyinstaller -F -w bilibli-danmu.py