功能描述: 1)目标: 获取淘宝搜索页面的信息, 提取其中的商品名称和价格. 2)理解: 淘宝的搜索接口, 翻页的处理 3)技术路线 requests-re import re """ 1, 提交商品搜索请求, 循环获取页面 2, 对于每个页面, 提取商品名称和价格信息 3, 将信息输出到屏幕上 """ def getHtmlText(url): try: r = requests.get(url, timeout=30) r.raise_for_status() r.encoding = r.apparent_encoding return r.text except: return '' def parsePage(ilt, html): try: plt = re.findall(r'"view_price":"[d.]*"', html) tlt = re.findall(r'"raw_title":".*?"', html) # *?为最小匹配 for i in range(len(plt)): price = eval(plt[i].split(':')[1]) title = eval(tlt[i].split(':')[1]) ilt.append([price, title]) except: print("") def printGoodList(ilt): tplt = "{:4} {:8} {:16}" print(tplt.format('序号', '价格', '商品名称')) count = 0 for g in ilt: count = count + 1 print(tplt.format(count, g[0], g[1])) def main(): goods = '书包' depth = 2 start_url = 'https://s.taobao.com/search?q=' + goods info_list = [] for i in range(depth): try: url = start_url + '&s=' + str(44 * i) html = getHtmlText(url) parsePage(info_list, html) except: continue printGoodList(info_list) main()