· Python 3.6

· Pycharm

網(wǎng)站是靜態(tài)網(wǎng)站，沒有加密，可以直接爬取

1、先在列表頁面獲取每張壁紙的詳情頁地址

2、在壁紙詳情頁面獲取壁紙真實高清url地址

3、保存地址

模擬瀏覽器請請求網(wǎng)頁，獲取網(wǎng)頁數(shù)據(jù)

這里只選擇爬取前10頁的數(shù)據(jù)

代碼如下

import threadingimport parselimport requestsdef get_html(html_url): ’’’ 獲取網(wǎng)頁源代碼 :param html_url: 網(wǎng)頁url :return: ’’’ response = requests.get(url=html_url, headers=headers) return responsedef get_par(html_data): ’’’ 把 response.text 轉(zhuǎn)換成 selector 對象 解析提取數(shù)據(jù) :param html_data: response.text :return: selector 對象 ’’’ selector = parsel.Selector(html_data) return selectordef download(img_url, title): ’’’ 保存數(shù)據(jù) :param img_url: 圖片地址 :param title: 圖片標(biāo)題 :return: ’’’ content = get_html(img_url).content path = ’壁紙’ + title + ’.jpg’ with open(path, mode=’wb’) as f: f.write(content) print(’正在保存’, title)def main(url): ’’’ 主函數(shù) :param url: 列表頁面 url :return: ’’’ html_data = get_html(url).text selector = get_par(html_data) lis = selector.css(’.wb_listbox div dl dd a::attr(href)’).getall() for li in lis: img_data = get_html(li).text img_selector = get_par(img_data) img_url = img_selector.css(’.wb_showpic_main img::attr(src)’).get() title = img_selector.css(’.wb_pictitle::text’).get().strip() download(img_url, title) end_time = time.time() - s_time print(end_time)if __name__ == ’__main__’: for page in range(1, 11): url = ’http://www.deskbizhi.com/min/list-{}.html’.format(page) main_thread = threading.Thread(target=main, args=(url,)) main_thread.start()

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