1. # 需求：获取腾讯招聘岗位信息前100页的内容，并保存至mongoDB数据库
    3. # 安装：pip install pymongo
    5. import requests,pymongo
    7. # 1.建立连接
    8. client = pymongo.MongoClient(host='127.0.0.1', port=27017) # host：主机号，port：连接的MongoDB的端口号
    9. # 2.进入数据库
    10. db = client['tencent'] # 如果有名为tencent的数据库就进入，没有就创建
    11. # 3.进入集合
    12. col = db['zhaopin']
    14. # 定义基础url
    15. base_url = 'https://careers.tencent.com/tencentcareer/api/post/Query'
    16. # 定义参数字典
    17. params  =  {
    18.     'pageSize': 10,
    19.     'language': 'zh-cn',
    20.     'area': 'cn'
    21. }
    22. # 定义请求头
    23. headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36'}
    24. for page in range(1,6):
    25.     params[ 'pageIndex'] = page
    26.     # print('\n现在是第' +str(page) + '页============\n')
    27.     # 发起请求，获取响应
    28.     response = requests.get(url=base_url, headers=headers, params=params)
    29.     Posts = response.json()['Data']['Posts']
    30.     for post in Posts:
    31.         dic = {}
    32.         # 获取内容
    33.         # 获取岗位内容
    34.         RecruitPostName = post['RecruitPostName']
    35.         # 获取招聘时间
    36.         LastUpdateTime = post['LastUpdateTime']
    37.         # 获取岗位要求
    38.         Responsibility = post['Responsibility']
    39.         # print(RecruitPostName, LastUpdateTime,Responsibility)
    40.         dic['RecruitPostName'] = RecruitPostName
    41.         dic['LastUpdateTime'] = LastUpdateTime
    42.         dic['Responsibility'] = Responsibility
    43.         # 4.插入数据
    44.         col.insert(dic)
    46. # 5.关闭数据库
    47. client.close()
    50. # 在shell中查询保存到MongoDB的数据
    51. >>> mongo # 打开MongoDB
    52. >>> show dbs # 查看所有数据库
    53. >>> use tencent # 进入或创建数据库
    54. >>> show tables # 查看所有的聚合
    55. >>> db.zhaopin.find().pretty() #查询集合并格式化输出
    56. >>> it # 单次显示20多条数据，输入it查看更多