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| 股價收盤價抓取練習.py | |
| 只能抓取近一個月，因為網站提供資料有限 |
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| import urllib.request | |
| import lxml.etree as etree | |
| import datetime | |
| def get_date_close_price(stocknum,date_string,date_format='%Y/%m/%d'): | |
| #ex:'2330','2015/8/24','%Y/%m/%d' | |
| #dateobj.strftime('%#m')可以 08 => 8 in windows | |
| #dateobj.strftime('%-m')可以 08 => 8 in linux? | |
| dateobj = datetime.datetime.strptime(date_string,date_format) | |
| #print(dateobj) | |
| stocknum = str(stocknum) | |
| try: | |
| data = urllib.request.urlopen('http://www.cnyes.com/twstock/ps_historyprice/'+str(stocknum)+'.htm').read().decode('utf-8',errors='ignores') | |
| except Exception as e: | |
| #return e.args | |
| return 'null' | |
| page = etree.HTML(data) | |
| #print(page) | |
| #print(dateobj.strftime('%Y/%m/%d')) | |
| try: | |
| return page.xpath('//tr/td[contains(text(),"'+ dateobj.strftime('%Y/%m/%d') +'")]/following-sibling::*')[3].text | |
| except Exception as e: | |
| #return e.args | |
| return 'null' | |
| #datetime.datetime.strptime('2015/8/24','%Y/%m/%d') | |
| get_date_close_price('2330','2015/09/17') | |
| #data = urllib.request.urlopen('http://www.cnyes.com/twstock/ps_historyprice/1101.htm').read().decode('utf-8',errors='ignores') | |
| #page = etree.HTML(data) |
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