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爬虫_urllib中ajax的post请求

作者:互联网

下载肯德基官网中餐厅的数据。

 经过分析:

1.请求接口的地址:http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx?op=cname

 2.请求方式:post

3.请求参数:

 

 全部代码:

#获取肯德基官网数据
#
import urllib.parse
import urllib.request

#分析得到的结论:
#1.请求地址:http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx?op=cname
#2.请求方式:post
#3.请求参数:
    # cname: 北京
    # pid:
    # pageIndex: 2
    # pageSize: 10

def create_request(page):
    base_url = 'http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx?op=cname'
    data = {
        'cname': '北京',
        'pid':'',
        'pageIndex': page,
        'pageSize': '10',
    }
    data = urllib.parse.urlencode(data).encode('utf-8')
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36'
    }
    request = urllib.request.Request(url=base_url,data=data,headers=headers)
    return request

def get_content(request):
    response = urllib.request.urlopen(request)
    content = response.read().decode('utf-8')
    return content

def down_load(page,content):
    with open('kfc_'+str(page)+'.json','w',encoding='utf-8') as fp:
        fp.write(content)

if __name__ == '__main__':
    start_page = int(input('请输入起始页码'))
    end_page = int(input('请输入结束页码'))
    for page in range(start_page,end_page):
        #请求对象的定制
        request = create_request(page)
        #获取网页源码
        content = get_content(request)
        #下载
        down_load(page,content)

 

 测试效果:

 

标签:request,urllib,content,ajax,cname,ashx,post,page
来源: https://www.cnblogs.com/ckfuture/p/16301072.html