python3 requests 获取 拉勾工作数据

#-*- coding:utf-8 -*-
__author__ = "carry"

import requests,json

for x in range(1, 15):
    url ='http://www.lagou.com/jobs/positionAjax.json'
    #proxies = {"http":"http://125.105.17.229:808"}
    headers={'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36'}
    payload = {"city":"杭州", "district":"西湖区", "needAddtionalResult":"false", "first":"true", "pn":x, "kd":"测试"}
    result = requests.post(url,data=payload,headers=headers)
    #result = requests.post(url,data=payload,proxies=proxies)
    result_json = result.json()
    print(result_json)

    l = result_json["content"]["positionResult"]["result"]
    for x in l:
        s = "岗位名称:%s,公司名:%s,业务:%s,工作年限:%s,工资:%s" 
        % (x["positionName"],x["companyFullName"],x["industryField"],x["workYear"],x["salary"])

        with open("D:\lagou.txt", "a+", encoding="utf-8") as f:
            f.write(s)
            f.write("
")