前言
最近很多同学想问我,怎么把几个代码的功能集合到一起?
很简单,写一个界面就行了,想要哪个代码运行,鼠标轻轻一点就行
![请添加图片描述](https://img.php1.cn/3cd4a/1eebe/cd5/99b88427bc9ce0dc.webp)
开发环境
- python 3.8: 解释器
- pycharm: 代码编辑器
本次项目案例步骤
- 先确定想要的功能,今天这个项目的主要功能为三个
- 创建一个简单的用户交互界面,简洁明了
先展示下完成品的效果
![](https://img.php1.cn/3cd4a/1eebe/cd5/a5d7215df572c386.webp)
界面
导入模块
import tkinter as tk
from tkinter import ttk
import tkinter.messagebox
先创建个窗口
root = tk.Tk()
root.title('哔站下载软件')
root.geometry('367x134+200+200')
root.attributes("-alpha", 0.9)root.mainloop()
![](https://img.php1.cn/3cd4a/1eebe/cd5/8373b1277127c518.webp)
功能按键
text_label_1 = tk.Label(root, text='选择: ', font=('黑体', 15))
text_label_1.grid(row=1, column=0, padx=5, pady=5)number_int_var = tk.StringVar()
numberChosen = ttk.Combobox(root, textvariable=number_int_var, width=26)
numberChosen['values'] = ('视频', '弹幕', '评论')
numberChosen.grid(row=1, column=1, padx=5, pady=5)
numberChosen.current(0)text_label = tk.Label(root, text='BV号:', font=('黑体', 15))
text_label.grid(row=2, column=0, padx=5, pady=5)bv_va = tk.Variable()
entry_1 = tk.Entry(root, font=('黑体', 15), textvariable=bv_va)
entry_1.grid(row=2, column=1)Button_1 = tk.Button(root, text='下载', font=('黑体', 13))
Button_1.grid(row=2, column=2, padx=5, pady=5)
![](https://img.php1.cn/3cd4a/1eebe/cd5/fb32005f2115b419.webp)
![](https://img.php1.cn/3cd4a/1eebe/cd5/43a754c811e7ec5c.webp)
主要功能代码编写
功能一
我们用正则来提取数据
正则表达式 —> 对于字符串数据类型进行提取/解析
re模块findall() ----> 告诉程序从什么地方去找什么数据
re.findall() '“title”:“(.?)“,“pubdate”', response.text
从 response.text 里面 去找 “title”:”(.?)”,“pubdate” 其中括号里内容就是我们要的
def Video(bv_id):url = f'https://www.bilibili.com/video/{bv_id}'headers = {'referer': 'https://www.bilibili.com/video/','user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36'}response = requests.get(url=url, headers=headers)title = re.findall('"title":"(.*?)","pubdate"', response.text)[0].replace(' ', '')html_data = re.findall('', response.text)[0]json_data = json.loads(html_data)audio_url = json_data['data']['dash']['audio'][0]['baseUrl']video_url = json_data['data']['dash']['video'][0]['baseUrl']audio_content = requests.get(url=audio_url, headers=headers).contentvideo_content = requests.get(url=video_url, headers=headers).contentif not os.path.exists('video\\'):os.mkdir('video\\')with open('video\\' + title + '.mp3', mode='wb') as audio:audio.write(audio_content)with open('video\\' + title + '.mp4', mode='wb') as video:video.write(video_content)return title
功能二
这个功能,前段时间已经发布过相关的文章教程
请看这里:用Python获取弹幕的两种方式(一种简单但量少,另一量大管饱)
def get_response(html_url):headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36'}response = requests.get(url=html_url, headers=headers)response.encoding = response.apparent_encodingreturn responsedef get_Dm_url(bv_id):link = f'https://www.ibilibili.com/video/{bv_id}/'html_data = get_response(link).textDm_url = re.findall('弹幕', html_data)[0]title = re.findall(', html_data)[-1]return Dm_url, titledef get_Dm_content(Dm_url, title):html_data = get_response(Dm_url).textcontent_list = re.findall('(.*?)', html_data)if not os.path.exists('弹幕\\'):os.mkdir('弹幕\\')for content in content_list:with open(f'弹幕\\{title}弹幕.txt', mode='a', encoding='utf-8') as f:f.write(content)f.write('\n')def main(bv_id):Dm_url, title = get_Dm_url(bv_id)get_Dm_content(Dm_url, title)
功能三
单页少量的数据很简单,但要想翻页,必须分析网站,找到规律
def get_response(html_url, params=None):headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36'}response = requests.get(url=html_url, params=params, headers=headers)return responsedef get_oid(bv_id):link = f'https://www.bilibili.com/video/{bv_id}/'html_data = get_response(link).textoid = re.findall('window.__INITIAL_STATE__={"aid":(\d+),', html_data)[0]title = re.findall('"title":"(.*?)","pubdate"', html_data)[0].replace(' ', '')return oid, titledef get_content(oid, page, title):content_url = 'https://api.bilibili.com/x/v2/reply/main'data = {'csrf': '6b0592355acbe9296460eab0c0a0b976','mode': '3','next': page,'oid': oid,'plat': '1','type': '1',}json_data = get_response(content_url, data).json()content = '\n'.join([i['content']['message'] for i in json_data['data']['replies']])if not os.path.exists('评论\\'):os.mkdir('评论\\')with open(f'评论\\{title}评论.txt', mode='a', encoding='utf-8') as f:f.write(content)def main(bv_id):oid, title = get_oid(bv_id)for page in range(1, 6):try:get_content(oid, page, title)except:pass
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