知乎回答图片/视频下载器【附源码】

知乎回答图片/视频下载器【附源码】，这款下载神器由吾爱大神制作，专门用于知乎上的一些回答区域的图片/视频资源，输入知乎上的一些问题回答帖子地址，就能批量下载该回答内的全部附属图片和视频，让你轻松获取喜欢的图片资源。本次放出知乎回答下载神器PC版，附带源码可供参考，有需要的朋友们可以试试哦！

知乎回答图片/视频下载器使用说明：

直接复制想要的知乎回答页面链接

选择好保存目录

点击检测即可

知乎回答图片/视频下载器源码一览：

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()