知乎里那些绝美的壁纸在这里！

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喜欢刷知乎的同志们会知道知乎里好看的壁纸有很多，今天笔者就把它全爬下来。

首先构造请求头：

header = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36' ,'cookie': ' ' # 加上自己的cookie值 } 

创建文件夹：

path_file = 'F:/知乎壁纸/img' if not os.path.exists(path_file): os.makedirs(path_file) else: print('路径不存在') 

构造url：

k = 0 i = 3 while True: url = 'https://www.zhihu.com/api/v4/questions//answers?include=data[*].' \ '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[*].' \ 'mark_infos[*].url%3Bdata[*].author.follower_count%2Cbadge[*].' \ 'topics&limit=5&offset={}&platform=desktop&sort_by=default'.format(str(i)) 

接下来就是用匹配信息找到图片链接进而保存在文件夹下：

etree_pic = html.etree
        codes = etree_pic.HTML(pic_link_codes)
        link = codes.xpath("//figure/noscript/img/@src") #  用xpath匹配所有的图片链接
        file_name_path = str(k) + '.jpg'
        for lin in link:  # 遍历链接
            file_name_path = str(k) + '.jpg'
            request.urlretrieve(lin, filename=path_file + os.sep + file_name_path) # 保存在当地文件夹下
            k = k + 1
            print('正在打印第' + str(k) + '张壁纸') 
            print(lin)
    except Exception as e:
        print(e+'\''+'没有您需要请求的内容')
    else:
        continue

打开你的文件夹就发现你要的精美壁纸都在里边