python爬虫之抓取500彩票网大乐透走势图

import requests
from bs4 import BeautifulSoup
import json
results = []
 
def find_tops(url):
 
 
	wb_data = requests.get(url)
	wb_data.encoding = 'utf-8'
 
	soup = BeautifulSoup(wb_data.text, "html.parser")
 
	alls = soup.select("#chartsTable tr")
 
	issues = alls[2:-15]
	tongjis = alls[-6:-2]
	
	for each in tongjis:
		data = {'title':'','content':[]}
		tds = each.select('td')
		for td in tds:
			if td.get('align') != None:
				data['title'] = td.get_text().strip()
			else:
				td_number = td.get_text().strip()
				data['content'].append({'color':'','number':td_number})
		results.append(data)
 
 
	for each in issues:
		data = {'title':'','content':[]}
		tds = each.select('td')
		for td in tds:
			if td.get('colspan') != None:
				continue
			if td.get('align') != None:
				data['title'] = td.get_text().strip()
				# print(data['title'])
			else:
				# print(td.get('colspan'))
				# print(td.get('class'))
				td_class = td.get('class')[0]
				td_number = td.get_text().strip()
				td_color = ''
				if td_class == "yl01":
					td_color = 'gray1'
				elif  td_class == 'yl02':
					td_color = 'gray2'
				elif  td_class == 'chartBall01':
					td_color = 'red'
				elif td_class == 'chartBall02':
					td_color = 'blue'
				
				data['content'].append({'color':td_color,'number':td_number})
		results.append(data)
 
		
	
 
url = 'http://datachart.500.com/dlt/zoushi/newinc/jbzs_foreback.php?expect=50'
 
find_tops(url)
print(json.dumps(results))

至此已经拿到大乐透50期内走势图，可以将数据入库等供自己系统使用

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