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driver.set_window_size(1120,550)
x=driver.find_element_by_class_name("classStr")
x.click()
time.sleep(5)#这个时间可自定
。。。
import requests
url = 'http://query.sse.com.cn/infodisplay/queryETFNewAllInfo.do?jsonCallBack=jsonpCallback37059&isPagination=true&type=1&pageHelp.pageSize=25&pageHelp.pageCount=50&pageHelp.pageNo=2&pageHelp.beginPage=2&pageHelp.cacheSize=1&pageHelp.endPage=21&_=1497600314848'
x = '''
Accept:*/*
Accept-Encoding:gzip, deflate, sdch
Accept-Language:zh-CN,zh;q=0.8,en;q=0.6
Cache-Control:no-cache
Connection:keep-alive
Cookie:yfx_c_g_u_id_10000042=_ck17061616000010471889457119969; yfx_f_l_v_t_10000042=f_t_1497600000033__r_t_1497600000033__v_t_1497600313002__r_c_0; VISITED_MENU=%5B%228363%22%5D
Host:query.sse.com.cn
Pragma:no-cache
Referer:http://www.sse.com.cn/disclosure/fund/etflist/
User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36
'''
headers = dict([(d.split(':')[0], d.split(':', 1)[1]) for d in x.split('\n') if d])
print requests.get(url, headers=headers, timeout=30).content