from tkinter import *
import urllib.request
import gzip
import json
from tkinter import messagebox

root = Tk()

def main():
    #输入窗口
    root.title('天气查询')#窗口标题
    Label(root,text = '请输入城市').grid(row=0,column=0)#设置标签并调整位置
    enter = Entry(root)#输入框
    enter.grid(row = 0,column=1,padx = 20, pady = 20)#调整位置
    enter.delete(0,END)#清空输入框
    enter.insert(0,'湘潭')#设置默认文本
    #enter_text = enter.get()#获取输入框的内容

    running = 1

    def get_weather_data() :#获取网站数据
        city_name = enter.get()#获取输入框的内容
        url1 = 'http://wthrcdn.etouch.cn/weather_mini?city='+urllib.parse.quote(city_name)
        url2 = 'http://wthrcdn.etouch.cn/weather_mini?citykey=101010100'
        #网址1只需要输入城市名，网址2需要输入城市代码
        #print(url1)
        weather_data = urllib.request.urlopen(url1).read()
        #读取网页数据
        weather_data = gzip.decompress(weather_data).decode('utf-8')
        #解压网页数据
        weather_dict = json.loads(weather_data)
        #将json数据转换为dict数据
        if weather_dict.get('desc') == 'invilad-citykey':
            print(messagebox.askokcancel("xing","你输入的城市名有误，或者天气中心未收录你所在城市"))
        else:
            #print(messagebox.askokcancel('xing','bingguo'))
            show_data(weather_dict,city_name)

    def show_data(weather_dict,city_name):#显示数据
        forecast = weather_dict.get('data').get('forecast')#获取数据块
        root1=Tk()#副窗口
        root1.geometry('650x280')#修改窗口大小
        root1.title(city_name + '天气状况')#副窗口标题

        #设置日期列表
        for i in range(5):#将每一天的数据放入列表中
            LANGS = [(forecast[i].get('date'),'日期'),
                     (forecast[i].get('fengxiang'),'风向'),
                     (str(forecast[i].get('fengji')),'风级'),
                     (forecast[i].get('high'),'最高温'),
                     (forecast[i].get('low'),'最低温'),
                     (forecast[i].get('type'),'天气')]
            group = LabelFrame(root1,text = '天气状况',padx = 0,pady = 0)#框架
            group.pack(padx=11,pady=0,side = LEFT)#放置框架
            for lang, value in LANGS:#将数据放入框架中
                c = Label(group,text = value + ': ' + lang)
                c.pack(anchor = W)
        Label(root1,text = '今日' + weather_dict.get('data').get('ganmao'),
              fg = 'green').place(x=40,y=20,height=40)#温馨提示
        Label(root1,text = "StarMan: 49star.com",fg = "green",bg = "yellow").place(x=10,y=255,width=125,height=20)#作者网站
        Button(root1,text = '确认并退出',width=10,command = root1.quit).place(x=500,y=230,width = 80,height=40)#退出按钮
        root1.mainloop()

    #布置按键
    Button(root, text = "确认",width=10,command = get_weather_data) \
        .grid(row = 3, column=0,sticky = W, padx = 10, pady = 5)
    Button(root, text = '退出',width=10,command = root.quit) \
        .grid(row = 3, column = 1, sticky = E, padx = 10, pady = 5)
    if running==1:
        root.mainloop()

if __name__ == '__main__':
    main()