【Python】知乎回答下载神器，图片/视频/gif动图均可下载

朝夕忆浅

最近在看知乎时，突然看到一些关于手机壁纸（漂亮小姐姐）的回答，对于经常换壁纸的wo来说还是蛮吸引的，而且里面的壁纸（小姐姐）都挺好看的，于是就想起了保存下来的想法
但是一看回答数竟有几千个，这要是全都看完得花多少时间精力啊，显然咱不是这种闲人，懒人自有懒办法，既然是壁纸类问题，那么我们能不能就只看图片不看文字呢？
于是乎，上源码，哦不还是先上图吧-.-




知乎问题ID/地址提取，复制后粘贴至输入框点击检测按钮，然后就可以下载啦





好了，上源码~

[Asm] 纯文本查看 复制代码

?

001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305

import requests import os import time from threading import Thread import threadpool import traceback import tkinter from tkinter import * import threading from tkinter import messagebox import win32clipboard as wc from tkinter import filedialog   def async(f):     def wrapper(*args, **kwargs):         thr = Thread(target=f, args=args, kwargs=kwargs)         thr.start()     return wrapper class zhihu(object):     def __init__(self):         self.id = None         self.headers = {             'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'         }         self.zh_id = 1         self.zx_id = 1         self.nm_id = 1         self.cz_id = 1         self.stop_num = 0           # 创建主窗口,用于容纳其它组件         self.root = tkinter.Tk()           # 给主窗口设置标题内容         self.root.title("知乎问题图片/视频下载器")         width = 440         height = 500           # 获取屏幕尺寸以计算布局参数，使窗口居屏幕中央         screenwidth = self.root.winfo_screenwidth()         screenheight = self.root.winfo_screenheight()         alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)         self.root.geometry(alignstr)         self.root.resizable(width=False, height=False)           self.var = StringVar()         self.label_tips = tkinter.Label(self.root, textvariable=self.var, justify=CENTER ,font=("微软雅黑", 12, "bold"), fg='red')         # self.var.set('正在下载，请稍等... (共433个回答)')           self.ok_var = StringVar()         self.label_ok = tkinter.Label(self.root, textvariable=self.ok_var, justify=CENTER ,font=("微软雅黑", 10, "bold"), fg='Firebrick')         # self.ok_var.set('已完成 13%')           self.input_var = StringVar()         self.label_wtid = tkinter.Label(self.root, text='请输入问题ID或问题链接：')         self.input_wtid = tkinter.Entry(self.root, textvariable=self.input_var, width=37)         self.button_wtzt = tkinter.Button(self.root, text="粘贴", width=6, command=self.getCopyTxet)           self.wt_file_var = StringVar()         self.wt_file_var.set('D:/ZhiHu')         self.label_wt_file = tkinter.Label(self.root, text='请选择保存目录：')         self.input_wt_file = tkinter.Entry(self.root, textvariable=self.wt_file_var, state=DISABLED, width=37)         self.button_wt_file = tkinter.Button(self.root, text="更改", width=6, command=self.thread_browse_folder)           self.button_wtjc = tkinter.Button(self.root, text="检测", width=8, command=self.thread_wenti_jc, font=("微软雅黑", 12, "bold"))         self.Monitor_button = tkinter.Button(self.root, text="下载", width=8, command=self.thread_get_offset,                                              font=("微软雅黑", 12, "bold"))         self.label_tips1 = tkinter.Label(self.root, text='使用说明：')         self.label_tips2 = tkinter.Label(self.root, text='1.下载前请先检测问题，以免下错资源')         self.label_tips3 = tkinter.Label(self.root, text='2.问题资源为实时下载，你可随时在下载文件夹查看')         # self.label_tips4 = tkinter.Label(self.root, text='3.更多好玩软件、资源欢迎')     def gui_arrang(self):           self.label_tips.place(x=52, y=28)           self.label_wtid.place(x=55, y=82)         self.input_wtid.place(x=55, y=114)         self.button_wtzt.place(x=329, y=110)           self.label_wt_file.place(x=55, y=146)         self.input_wt_file.place(x=55, y=178)         self.button_wt_file.place(x=329, y=174)           self.button_wtjc.place(x=60, y=220)         self.Monitor_button.place(x=164, y=220)         self.label_ok.place(x=300, y=233)           self.label_tips1.place(x=55, y=334)         self.label_tips2.place(x=55, y=360)         self.label_tips3.place(x=55, y=386)         # self.label_tips4.place(x=55, y=412)     # 获取粘贴板里的内容     def getCopyTxet(self):         try:             wc.OpenClipboard()             copytxet = wc.GetClipboardData()             wc.CloseClipboard()             self.input_var.set(str(copytxet))         except:             pass     def thread_wenti_jc(self):         t = threading.Thread(target=self.wenti_jc)         t.setDaemon(True)         t.start()     def thread_get_offset(self):         t = threading.Thread(target=self.get_offset)         t.setDaemon(True)         t.start()     def thread_browse_folder(self):         t = threading.Thread(target=self.browse_folder)         t.setDaemon(True)         t.start()     # 浏览本地文件夹，选择保存位置     def browse_folder(self):         # 浏览选择本地文件夹         save_address = filedialog.askdirectory()         if len(save_address) != 0:             self.wt_file_var.set(save_address)         # 把获得路径，插入保存地址输入框（即插入input_save_address输入框）         # input_save_address.insert(0, save_address)       def wenti_jc(self):         wt_data = self.input_wtid.get()         if len(wt_data) == 0:             tkinter.messagebox.showerror('错误提示', '请先输入问题ID或链接')         else:             try:                 if wt_data.isdigit():                     url = 'https://www.zhihu.com/api/v4/questions/{}/answers'.format(wt_data)                     r = requests.get(url, headers=self.headers)                     if r.status_code == 200:                         self.totals = int(r.json()['paging']['totals'])                         self.title = r.json()['data'][0]['question']['title']                         self.id = int(wt_data)                         tkinter.messagebox.showinfo('问题ID正确', '你本次要下载的问题为“%s”' % self.title)                     else:                         tkinter.messagebox.showerror('问题ID输入错误', '请检查你的问题ID并重新输入')                 else:                     wtids = re.findall('question/(.*?)/answer', wt_data)                     if wtids and len(wtids[0]) != 0:                         url = 'https://www.zhihu.com/api/v4/questions/{}/answers'.format(wtids[0])                         r = requests.get(url, headers=self.headers)                         if r.status_code == 200:                             self.totals = int(r.json()['paging']['totals'])                             self.title = r.json()['data'][0]['question']['title']                             self.id = int(wtids[0])                             tkinter.messagebox.showinfo('问题链接正确', '你本次要下载的问题为“%s”' % self.title)                         else:                             tkinter.messagebox.showerror('问题链接输入错误', '请检查你的问题链接并重新输入')                     else:                         if '/question/' in wt_data:                             wtids = wt_data.split('/question/')                             for wtid in wtids:                                 if wtid.isdigit():                                     url = 'https://www.zhihu.com/api/v4/questions/{}/answers'.format(wtid)                                     r = requests.get(url, headers=self.headers)                                     if r.status_code == 200:                                         self.totals = int(r.json()['paging']['totals'])                                         self.title = r.json()['data'][0]['question']['title']                                         self.id = int(wtid)                                         tkinter.messagebox.showinfo('问题链接正确', '你本次要下载的问题为“%s”' % self.title)                                     else:                                         tkinter.messagebox.showerror('问题链接输入错误', '请检查你的问题链接并重新输入')                         else:                             tkinter.messagebox.showerror('问题链接输入错误', '请检查你的问题链接并重新输入')             except:                 tkinter.messagebox.showerror('错误提示', '抱歉，出现未知错误，请稍后再试')     def get_offset(self):         if self.id == None:             tkinter.messagebox.showerror('错误提示', '请先检测问题ID或链接是否正确')         else:             self.var.set('正在下载，请稍等... (共{}个回答)'.format(self.totals))             self.Monitor_button.config(state=DISABLED)             path = self.input_wt_file.get()             self.file_path = '{}/{}'.format(path, self.title)             folder = os.path.exists(self.file_path)             if not folder:  # 判断是否存在文件夹如果不存在则创建为文件夹                 os.makedirs(self.file_path)  # makedirs 创建文件时如果路径不存在会创建这个路径             # else:             #     print('该问题内容已经有啦~')             #     sys.exit()             if self.totals % 20 == 0:                 self.max = int(self.totals / 20)             else:                 self.max = int(self.totals / 20) + 1             for m in range(self.max):                 offset = m * 20                 self.get_urls(offset)                 time.sleep(3)     [url=home.php?mod=space&uid=512266]@Async[/url]  # 开启异步线程执行 调用一次开启一个线程     def get_urls(self, offset):         try:             url = 'https://www.zhihu.com/api/v4/questions/{}/answers?include=data%5B*%5D.is_normal%2Cadmin_closed_comment%2Creward_info%2Cis_collapsed%2Cannotation_action%2Cannotation_detail%2Ccollapse_reason%2Cis_sticky%2Ccollapsed_by%2Csuggest_edit%2Ccomment_count%2Ccan_comment%2Ccontent%2Ceditable_content%2Cvoteup_count%2Creshipment_settings%2Ccomment_permission%2Ccreated_time%2Cupdated_time%2Creview_info%2Crelevant_info%2Cquestion%2Cexcerpt%2Crelationship.is_authorized%2Cis_author%2Cvoting%2Cis_thanked%2Cis_nothelp%2Cis_labeled%3Bdata%5B*%5D.mark_infos%5B*%5D.url%3Bdata%5B*%5D.author.follower_count%2Cbadge%5B*%5D.topics&offset={}&limit=20&sort_by=updated'.format(                 self.id, offset)             dict = {                 'include': 'data[*].is_normal,admin_closed_comment,reward_info,is_collapsed,annotation_action,annotation_detail,collapse_reason,is_sticky,collapsed_by,suggest_edit,comment_count,can_comment,content,editable_content,voteup_count,reshipment_settings,comment_permission,created_time,updated_time,review_info,relevant_info,question,excerpt,relationship.is_authorized,is_author,voting,is_thanked,is_nothelp,is_labeled;data[*].mark_infos[*].url;data[*].author.follower_count,badge[*].topics',                 'limit': 20,                 'offset': offset,                 'sort_by': 'updated'             }             r = requests.get(url, headers=self.headers, params=dict).json()             if self.stop_num == 0:                 self.ok_var.set('已完成 1%')             datas = r['data']             for data in datas:                 content = data['content']                 name = data['author']['name']                 # 防止同天有多个匿名用户/已注销用户作答时文件名相同而覆盖操作                 if '知乎用户' == name:                     name = '{}{}'.format(name, self.zh_id)                     self.zh_id += 1                 if '「已注销」' == name:                     name = '{}{}'.format(name, self.zx_id)                     self.zx_id += 1                 if '匿名用户' == name:                     name = '{}{}'.format(name, self.nm_id)                     self.nm_id += 1                 if '[已重置]' == name:                     name = '{}{}'.format(name, self.cz_id)                     self.cz_id += 1                 timeStamp = int(data['updated_time'])                 timeArray = time.localtime(timeStamp)                 otherStyleTime = time.strftime("%Y-%m-%d", timeArray)                 img_names = []                 video_names = []                 img_urls = re.findall('<noscript><img src="(.*?)"', content, re.S)                 video_urls = re.findall('"z-ico-video"></span>(.*?)</span>', content, re.S)                 if img_urls:                     for i in range(len(img_urls)):                         file_name = '{}({})_{}'.format(name, otherStyleTime, i + 1)                         img_names.append(file_name)                     if len(img_urls) == len(img_names):                         data = [((img_url, img_name), None) for (img_url, img_name) in                                 zip(img_urls, img_names)]  # (index,i)也可以写成[index,i]                         pool = threadpool.ThreadPool(20)                         results = threadpool.makeRequests(self.save_img, data)                         [pool.putRequest(req) for req in results]                         pool.wait()                 if video_urls:                     for i in range(len(video_urls)):                         file_name = '{}({})_video_{}'.format(name, otherStyleTime, i + 1)                         video_names.append(file_name)                     str_video_urls = str(video_urls)                     video_ids = re.findall(".*?/video/(.*?)'", str_video_urls, re.S)                     if len(video_ids) == len(video_names):                         data = [((video_id, video_name), None) for (video_id, video_name) in                                 zip(video_ids, video_names)]  # (index,i)也可以写成[index,i]                         pool = threadpool.ThreadPool(20)                         results = threadpool.makeRequests(self.save_video, data)                         [pool.putRequest(req) for req in results]                         pool.wait()             self.stop_num += 1             ok_num = round(self.stop_num / self.max, 2)             self.ok_var.set('已完成 {}%'.format(int(ok_num * 100)))             if self.max == self.stop_num:                 tkinter.messagebox.showinfo('下载完成', '你的问题资源已全部下载完毕')                 self.var.set('')                 self.Monitor_button.config(state=NORMAL)                 self.ok_var.set('')                 self.zh_id = 1                 self.zx_id = 1                 self.nm_id = 1                 self.cz_id = 1                 self.stop_num = 0         except:             pass     def save_img(self, img_url, img_name):         suffix = None         if '.jpg' in img_url:             suffix = '.jpg'         elif '.gif' in img_url:             suffix = '.gif'         try:             img = requests.get(img_url, headers=self.headers)             if img.status_code == 200:                 with open(self.file_path + '/' + img_name + suffix, "wb") as f:                     f.write(img.content)                 # time.sleep(0.5)             else:                 pass         except:             pass       def save_video(self, video_id, video_name):         try:             url = 'https://lens.zhihu.com/api/v4/videos/{}'.format(video_id)             video_url = requests.get(url, headers=self.headers).json()['playlist']['LD']['play_url']             video = requests.get(video_url, headers=self.headers)             if video.status_code == 200:                 with open(self.file_path + '/' + video_name + '.mp4', "wb") as f:                     f.write(video.content)                 # time.sleep(0.5)             else:                 pass         except:             print(traceback.format_exc()) def main():     # 初始化对象     L = zhihu()     # 进行布局     L.gui_arrang()     # 主程序执行     tkinter.mainloop() if __name__ == '__main__':     main()

没有装环境的兄弟们直接下载成品吧

下载地址：https://www.lanzouj.com/i4y5bed

大鸽鸽

不止楼主能否 衍生一个 可以下载回答的呢~比较知乎上科普干货还是很多的

博颜哥哥

@朝夕忆浅
调试时显示有几处无效语法
看看

[Python] 纯文本查看 复制代码

?

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22

Traceback (most recent call last):   File "f:\vs\common7\ide\extensions\microsoft\python\core\ptvsd_launcher.py", line 119, in <module>     vspd.debug(filename, port_num, debug_id, debug_options, run_as)   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\debugger.py", line 41, in debug     run(address, filename, *args, **kwargs)   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\_local.py", line 80, in run_file     run(argv, addr, **kwargs)   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\_local.py", line 140, in _run     _pydevd.main()   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\_vendored\pydevd\pydevd.py", line 2329, in main     globals = debugger.run(setup['file'], None, None, is_module)   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\_vendored\pydevd\pydevd.py", line 1664, in run     return self._exec(is_module, entry_point_fn, module_name, file, globals, locals)   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\_vendored\pydevd\pydevd.py", line 1671, in _exec     pydev_imports.execfile(file, globals, locals)  # execute the script   File "f:\vs\common7\ide\extensions\microsoft\python\core\Packages\ptvsd\_vendored\pydevd\_pydev_imps\_pydev_execfile.py", line 25, in execfile     exec(compile(contents+"\n", file, 'exec'), glob, loc)   File "F:\Python学习\知乎回答下载神器\PythonApplication1\PythonApplication1.py", line 14     def async(f):             ^ SyntaxError: invalid syntax Press any key to continue . . .

依旧沉沉

不错不错，支持一下，前端使用什么写的

chuchao87826

这个东西用起来可就方便了 ~

xmtt2008

多谢分享！！下载来试一试！！

朝夕忆浅

依旧沉沉 发表于 2019-7-12 13:58
不错不错，支持一下，前端使用什么写的

Python的tkinter库

gdp123gd

mark一下，看下代码。

i小小明

很强，优秀

朝夕忆浅

大家先尽量不要下回答数太多的，有几率会卡死，还得优化下。

wtzlyf

楼主使用Python是老司机了啊