python3.x爬蟲:爬取大學排名資料
阿新 • • 發佈:2019-01-30
import requests from bs4 import BeautifulSoup import bs4 def getHTMLText(url): try: r = requests.get(url, timeout=30) r.raise_for_status() r.encoding = r.apparent_encoding return r.text except: return "訪問出錯" def fillUnivList(ulist,html): soup = BeautifulSoup(html, "html.parser") for tr in soup.find('tbody').children: if isinstance(tr, bs4.element.Tag): tds = tr('td') ulist.append([tds[0].string,tds[1].string,tds[2].string,tds[3].string,tds[4].string]) def printUnivList(ulist,num): tplt="{0:^10}\t{1:{5}^10}\t{2:^10}\t{3:^10}\t{4:^10}" #中英文對齊,格式化 print(tplt.format("排名","學校名稱","省份","總分","指標得分",chr(12288))) for i in range(num): u = ulist[i] print(tplt.format(u[0],u[1],u[2],u[3],u[4],chr(12288))) def main(): uinfo = [] url = 'http://www.zuihaodaxue.cn/zuihaodaxuepaiming2016.html' html = getHTMLText(url) print(html) fillUnivList(uinfo,html) printUnivList(uinfo, 20) main()