python项目之 天气 优化版

抓取的数据源

http://wthrcdn.etouch.cn/WeatherApi?citykey=101020100

使用的类库

thinter
requests
beautifulsoup

思路

抓取到返回的数据，解析后，存到本地和显示在GUI界面上。

更新的地方

全部封装为函数

界面如下

源码奉上

#encoding = 'utf8'###########################coding by 刘云飞#########################import requestsfrom bs4 import BeautifulSoupfrom tkinter import *import datetimedata = {}URL_short = 'http://wthrcdn.etouch.cn/WeatherApi?citykey='def city(city = 'shanghai'):    if(city == 'shanghai'):        urls = URL_short+'101020100'    if(city == 'beijin'):        urls = URL_short+'101010100'    return urlsdef refresh():    passdef get_data():    requests.session()    r = requests.get(city())    #print(r.status_code)    soup = BeautifulSoup(r.text,'lxml')    #print(soup.prettify())    a = soup.find_all('city')    data['city'] = a[0].get_text()    a = soup.find_all('wendu')    data['wendu'] = a[0].get_text()    a = soup.find_all('shidu')    data['shidu'] = a[0].get_text()    a = soup.find_all('fengli')    data['fengli'] = a[0].get_text()    a = soup.find_all('fengxiang')    data['fengxiang']  = a[0].get_text()    a = soup.find_all('quality')    data['quality']  = a[0].get_text()    a = soup.find_all('pm25')    data['pm25']  = a[0].get_text()    date_time = datetime.datetime.now().strftime('%Y_%m_%d')    filename = date_time +'.txt'    data['date_time']  = date_time    data['filename']  = filename    return datadef write_data(data):    with open(data['filename'],'w',encoding='utf8') as f:        f.write('城市：'+data['city']  +'\n')        f.write('温度：'+data['wendu'] +'\n')        f.write('湿度：'+data['shidu'] +'\n')        f.write('风力：'+ data['fengli'] +'\n')        f.write('风向：'+ data['fengxiang'] +'\n')        f.write('空气质量：'+data['quality'] +'\n')        f.write('PM2.5：'+data['pm25'] +'\n')####下面是界面程序def gui(data):    gui =Tk()    gui.title("天气查询 by 刘云飞")    gui.geometry('400x320')    l_da = Label(gui,text="日期:"+ data['date_time'],font = 'Helvetica -18')    l_da.pack(side = TOP)    l_chengshi = Label(gui,text = '城市:'+data['city'],font = 'Arial -18',width = 20,height =1)    l_chengshi.pack(side = TOP)    l_wendu = Label(gui,text = '温度:'+data['wendu'],font = 'Helvetica -18',width = 20,height =1)    l_wendu.pack(side = TOP)    l_shidu = Label(gui,text = '湿度:'+data['shidu'],font = 'Helvetica -18',width = 20,height =1)    l_shidu.pack(side = TOP)    l_fengx = Label(gui,text = '风向:'+data['fengxiang'],font = 'Helvetica -18',width = 20,height =1)    l_fengx.pack(side = TOP)    l_fengli= Label(gui,text = '风力:'+data['fengli'],font = 'Helvetica -18',width = 20,height =1)    l_fengli.pack(side = TOP)    l_qu = Label(gui,text = '空气质量:'+data['quality'],font = 'Helvetica -18',width = 20,height =1)    l_qu.pack(side = TOP)    l_pm = Label(gui,text = 'PM2.5:'+data['pm25'],font = 'Helvetica -18',width = 20,height =1)    l_pm.pack(side = TOP)    ref = Button(gui,text = "更新",font = 'Helvetica -18',command = refresh,activeforeground = 'white',\             activebackground = 'green')    ref.pack(side = TOP)    gui.mainloop()def main():    get_data()    write_data(data)    gui(data)    passif __name__ == '__main__':    main()