當(dāng)年學(xué)爬蟲(chóng)的第一個(gè)想法就是想把雙色球的數(shù)據(jù)爬下來(lái),然后看能不能用什么牛叉的算法,或者數(shù)據(jù)分析把后面的雙色球概率算出來(lái);
知道現(xiàn)在才抽空寫(xiě)了這幾行代碼爬取了雙色球的數(shù)據(jù),我也真是夠懶的;
也算是閑來(lái)無(wú)事,練手的爬蟲(chóng)吧;
好了,多余的就不說(shuō)了,直接上代碼吧,代碼注釋已經(jīng)很清楚了;

            
              import sys
import requests
from lxml import etree

def get_url(url):       #請(qǐng)求url的方法,返回html
    headers = {
        'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36',
    }
    response = requests.get(url,headers=headers)        #獲取請(qǐng)求的返回?cái)?shù)據(jù)
    response.encoding = 'utf-8'         #定義編碼,不然中文輸出會(huì)亂碼;
    if response.status_code == 200:     #如果請(qǐng)求成功,則返回;
        return response.text
    return None

for q in range(1,125):      #for循環(huán),一共124頁(yè);
    url = 'http://kaijiang.zhcw.com/zhcw/html/ssq/list_%s.html' % (q)   #定義請(qǐng)求的鏈接
    html = get_url(url)         #請(qǐng)求url獲取返回代碼
    xpath_html = etree.HTML(html)       #xpath初始化html代碼

    dates = xpath_html.xpath('//table[@class="wqhgt"]//tr//td[1]//text()')      #獲取開(kāi)獎(jiǎng)日期
    result = xpath_html.xpath('//table[@class="wqhgt"]//tr//em//text()')        #獲取上色球號(hào)
    issues = xpath_html.xpath('//table[@class="wqhgt"]//tr//td[2]//text()')     #獲取期號(hào)
    # print(result)       #輸出所有雙色球的列
    # print(len(result)//7)    #輸出有幾組雙色球
    # print(dates)
    # print(issues)
    sta = 0
    end = 7
    for n in range(len(result)//7):     #雙色球7個(gè)號(hào)一組,
        print("開(kāi)獎(jiǎng)日期:" + str(dates[n]) + " --- " + "期號(hào):" + str(issues[n]) + " --- " + str(result[sta:end]))
        sta = sta + 7
        end = end + 7
            
          

python版本用的3.7,開(kāi)發(fā)工具用的pycharm;
爬取的結(jié)果可以根據(jù)自己需求進(jìn)行調(diào)整,后面怎么用這些數(shù)據(jù)就不說(shuō)了哈;具體根據(jù)自己需求進(jìn)行分析吧;