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()