Python学习（五）：爬虫之爬各城市天气

源代码如下，可以再pycharm直接运行 

# 解析天气接口，获取某一个城市的天气预报
import requests, json

class Weather(object):
    def __init__(self):
        self.api = "https://api.map.baidu.com/location/ip?ak=KHkVjtmfrM6NuzqxEALj0p8i1cUQot6Z"
        self.weather_api = "http://api.map.baidu.com/telematics/v3/weather?location={}&output=json&ak=TueGDhCvwI6fOrQnLM0qmXxY9N0OkOiQ&callback=?"


    def get_current_city(self):
        """
        获取ip定位的城市信息
        :return:
        """
        response = requests.get(self.api)
        city_dict = json.loads(response.text)
        city = city_dict['content']['address_detail']['city']
        return city


    def get_city_weather(self, city_name):
        """
        根据城市名称，获取城市天气
        :param city_name: 城市名称
        :return:
        """
        url = self.weather_api.format(city_name)
        response = requests.get(url)
        json_dict = json.loads(response.text)
        results_dict = json_dict['results'][0]
        weather_datas = results_dict['weather_data']
        for weather_data in weather_datas:
            print('==================================')
            print('日期: {}; 天气：{}； 风力: {}; 温度：{};'.format(weather_data['date'], weather_data['weather'], weather_data['wind'], weather_data['temperature']))
            print('==================================')


    def start_query(self):
        """

        :return:
        """
        city_name = self.get_current_city()
        self.get_city_weather(city_name)

        while True:
            city = input("输入查询城市（q退出）")
            if city == 'q':
                break
            else:
                self.get_city_weather(city)


if __name__ == '__main__':
    weather = Weather()
    weather.start_query()

 首先显示的是本地天气

输入城市：