Python笔记从html中提取字段

2019-02-14 11:51:01 浏览数 (1)

代码语言:javascript复制
def fun():
    # url = 'http://quote.eastmoney.com/sh600010.html?from=BaiduAladdin'
    url_total = 'http://api.map.baidu.com/place/v2/search?q=景区&page_size=20&page_num=1&region=白山市&scope=2&output=json&ak=秘钥'
    response = requests.get(url_total)
    url_total_html = response.text
    # print(html)
    # print(type(html),type(response),html[10:15])
    # test1=html["total:[]"]
    # print(test1)
    # test2 ='total'
    # print(html.find(test2))
    total_0=r'[d] '   #提取所有数字,构成list
    result=re.compile(total_0)    #将正则表达式编译成对象 其等价于result=re.compile(r'[d] ')
    total_1=re.findall(result,url_total_html)    # 匹配对象,其等价total_1=result.findall(url_total_html)
    # print('n',total_0,type(total_0),len(total_0))
    # print(total_1[1],type(total_0[1]))
    # print(int(total_1[1]),type(int(total_1[1])))
    total_2=int(total_1[1])#提取后其为List,找到对应索引,将str转int
    print(total_2)
    #f = open('total—city', 'w')
    #f.writelines(total_2)
    #f.close()
if __name__=='__main__':
    fun()

0 人点赞