import threading
import time
import tkinter.simpledialog # 使用Tkinter前需要先导入
from tkinter import END, messagebox
import requests
# 全局变量,用于标识线程是否退出
is_exit = True
# B站获取弹幕对象
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 = ''
# 线程对象
def bilibili(room_id):
# 创建bDanmu实例
bDanmu = Danmu(room_id)
# 获取弹幕
bDanmu.get_danmu()
class BilibiliThread(threading.Thread):
def __init__(self, room_id=None):
threading.Thread.__init__(self)
self.room_id = room_id
# 重写run()方法
def run(self):
global is_exit
while not is_exit:
print(self.room_id)
bilibili(self.room_id)
# 暂停防止cpu占用过高
time.sleep(0.5)
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')
# 实例化object,建立窗口window
window = tkinter.Tk()
# 给窗口的可视化起名字
window.title('BiliBli弹幕查看工具')
# 设定窗口的大小(长 * 宽)
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)
# 创建一个主frame,长在主window窗口上
frame = tkinter.Frame(window)
frame.pack()
# 创建第二层框架frame,长在主框架frame上面
# 上
frame_t = tkinter.Frame(frame)
# 下
frame_b = tkinter.Frame(frame)
frame_t.pack(side=tkinter.TOP)
frame_b.pack(side=tkinter.BOTTOM)
# 创建标签
tkinter.Label(frame_t, text='请输入房间号:', width=10, font=('Arial', 10)).pack(side=tkinter.LEFT)
# 显示成明文形式
default_text = tkinter.StringVar()
default_text.set("21089733")
e1 = tkinter.Entry(frame_t, show=None, width=15, textvariable=default_text, font=('Arial', 10))
e1.pack(side=tkinter.LEFT)
# 定义两个触发事件时的函数start_point和end_point(注意:因为Python的执行顺序是从上往下,所以函数一定要放在按钮的上面)
# 开始
def start_point():
try:
room = e1.get()
room_int = int(room)
e1.configure(state=tkinter.DISABLED)
b1.configure(state=tkinter.DISABLED)
b2.configure(state=tkinter.NORMAL)
if room_int is not None:
global is_exit
is_exit = False
t = BilibiliThread()
t.room_id = room_int
# 创建获取弹幕线程
t.setDaemon(True)
t.start()
except ValueError:
messagebox.showinfo(title='警告', message='输入的房间号格式不正确,请再次尝试输入!')
# 停止
def end_point():
global is_exit
is_exit = True
e1.configure(state=tkinter.NORMAL)
b1.configure(state=tkinter.NORMAL)
b2.configure(state=tkinter.DISABLED)
# 创建并放置两个按钮分别触发两种情况
b1 = tkinter.Button(frame_t, text='开始', width=10, command=start_point, font=('Arial', 10))
b1.pack(side=tkinter.LEFT)
b2 = tkinter.Button(frame_t, text='停止', width=10, command=end_point, font=('Arial', 10))
b2.pack(side=tkinter.LEFT)
# 滚动条
sc = tkinter.Scrollbar(frame_b)
sc.pack(side=tkinter.RIGHT, fill=tkinter.Y)
# Listbox控件
listb = tkinter.Listbox(frame_b, yscrollcommand=sc.set, width=200, height=120)
# 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)
# 主窗口循环显示
window.mainloop()