#  - * _- coding:utf-8-*-

import requests
import json #转成字典形式
import xlwt
import sys  #转码
reload(sys)
sys.setdefaultencoding('utf-8')
def Init(skinname):

    url="https://www.lagou.com/jobs/list_python?city=%E5%85%A8%E5%9B%BD&cl=false&fromSearch=true&labelWords=&suginput="
    headers={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.22 Safari/537.36 SE 2.X MetaSr 1.0'}
    totalpage=1
    workbook = xlwt.Workbook()
    for page in range(totalpage):
        page += 1
        c_url='https://www.lagou.com/jobs/positionAjax.json?needAddtionalResult=false'  #循环页数需要抓包
        data ={'first':'false',
            'pn':page,
           'kd':skinname}
        html=requests.post(c_url,data,headers) #页面是用post请求
        items=json.loads(html.text)  #转换成字典形式
        Data=readpage(items)  
        workbook = xlwt.Workbook()
        sheetname = 'Sheet'
        booksheet =workbook.add_sheet(sheetname)

        for i,row in enumerate (Data):
            for j,col in enumerate(row):
                booksheet.write(i,j,col)
        xlsname='python.xls'
        workbook.save(xlsname)
def readpage(response): #定义一个新的函数取所要的数据
    page_lists=[]
    page_list=[]
    for i in range(14):
        page_list.append(response['content']['positionResult']['result'][i]['salary'])
        page_list.append(response['content']['positionResult']['result'][i]['workYear'])
        page_list.append(response['content']['positionResult']['result'][i]['companyFullName'])
        page_lists.append(page_list)
    return page_lists
if __name__ =='__main__':  #查找名字
    Init('python')