Python Tkinter小试

前两天看到一篇关于Python使用Tkinter 的博文，写的很好。就拿来研究了一下，改了改。现分享如下：

参考

代码

# coding:utf8
# python2.73 winxp
'''''
天气插件： 使用json接受中气象的本地信息，显示使用tkinter
url http://www.weather.com.cn/data/sk/101221201.html

v0.1
'''
from Tkinter import *
import json
import urllib
import time

def getWeaInfo():
    url = r'http://www.weather.com.cn/data/cityinfo/101221201.html'
    res = urllib.urlopen(url)  # 返回的是个json样式的字符串
    weatherinfo = {}
    jinfo = res.read().decode('utf8')  # jinfo是一个unicode对象，而我们要的是一个json，然后解析
    info = json.loads(jinfo)  # 变成键值对

    if info:
        try:
            weatherinfo['city'] = info['weatherinfo']['city']  # 城市
            weatherinfo['tempH'] = info['weatherinfo']['temp1']  # 高温
            weatherinfo['tempL'] = info['weatherinfo']['temp2']  # 低温
            weatherinfo['weather'] = info['weatherinfo']['weather']  # 天气
            weatherinfo['ptime'] = info['weatherinfo']['ptime']  # 发布时间
        except KeyError, e:
            print 'Do not get the key', e.message
    return weatherinfo

class WeatherFrame:
    '''''
    用于显示主框架
    '''

    def __init__(self):
        self.root = Tk()

        # 一个标题
        self.title = Label(self.root, text=u'天气情况')
        self.title.pack(side=TOP)

        # 四对信息框
        self.fm1 = Frame(self.root)
        self.label_city = Label(self.fm1, text=u'城市')
        self.label_city.pack(side=LEFT, expand=YES)
        self.text_city_e = StringVar()
        self.text_city = Entry(self.fm1, text='', state='readonly', textvariable=self.text_city_e)
        self.text_city.pack(side=LEFT, expand=YES)
        self.fm1.pack(side=TOP)

        self.fm2 = Frame(self.root)
        self.label_temph = Label(self.fm2, text=u'高温')
        self.label_temph.pack(side=LEFT, expand=YES)
        self.text_temph_e = StringVar()
        self.text_temph = Entry(self.fm2, text='', state='readonly', textvariable=self.text_temph_e)
        self.text_temph.pack(side=LEFT, expand=YES)
        self.fm2.pack(side=TOP)

        self.fm3 = Frame(self.root)
        self.label_templ = Label(self.fm3, text=u'低温')
        self.label_templ.pack(side=LEFT, expand=YES)
        self.text_templ_e = StringVar()
        self.text_templ = Entry(self.fm3, text='', state='readonly', textvariable=self.text_templ_e)
        self.text_templ.pack(side=LEFT, expand=YES)
        self.fm3.pack(side=TOP)

        self.fm4 = Frame(self.root)
        self.label_weather = Label(self.fm4, text=u'天气')
        self.label_weather.pack(side=LEFT, expand=YES)
        self.text_weather_e = StringVar()
        self.text_weather = Entry(self.fm4, text='', state='readonly', textvariable=self.text_weather_e)
        self.text_weather.pack(side=LEFT, expand=YES)
        self.fm4.pack(side=TOP)

        # 两个操作按钮
        self.fm5 = Frame(self.root)
        self.button_pull = Button(self.fm5, text=u'获取', command=self.pullWeaInfo)
        self.button_pull.pack(side=LEFT, expand=YES)
        self.button_quit = Button(self.fm5, text=u'退出', command=self.root.quit)
        self.button_quit.pack(side=LEFT, expand=YES)
        self.fm5.pack(side=TOP)

        self.pullWeaInfo()

    def pullWeaInfo(self):
        # 推送天气信息，初始化推送，手动更新
        weainfo = getWeaInfo()
        self.text_city_e.set(weainfo['city'])
        self.text_temph_e.set(weainfo['tempH'])
        self.text_templ_e.set(weainfo['tempL'])
        self.text_weather_e.set(weainfo['weather'])
        print ('lastest updated time is  %s' % time.ctime())

if __name__ == '__main__':
    wf = WeatherFrame()
    mainloop()

效果

我的修改

中国城市代码

城市代码获取

代码

# coding:utf-8
import sys

reload(sys)
sys.setdefaultencoding('utf8')
#    __author__ = '郭 璞'
#    __date__ = '2016/8/26'
#    __Desc__ = 天气预报小案例

from Tkinter import *
import urllib2
import json

def getWeatherInfoByCityCode(citycode):
    url = r'http://www.weather.com.cn/data/cityinfo/'+str(citycode)+'.html'
    data = urllib2.urlopen(url).read().decode('utf8')

    json_info = json.loads(data)
    weatherinfo = {}
    weatherinfo['city'] = json_info['weatherinfo']['city']  # 城市
    weatherinfo['tempH'] = json_info['weatherinfo']['temp2']  # 高温
    weatherinfo['tempL'] = json_info['weatherinfo']['temp1']  # 低温
    weatherinfo['weather'] = json_info['weatherinfo']['weather']  # 天气
    weatherinfo['ptime'] = json_info['weatherinfo']['ptime']  # 发布时间
    return weatherinfo

def show_in_tkinter(ccode):
    tk = Tk()
    citycode = StringVar()
    citycode.set(ccode)
    weatherinfo = getWeatherInfoByCityCode(citycode.get())

    frame1 = Frame(tk)
    Label(frame1,text='输入城市代码').pack(side=LEFT,expand=YES)
    Entry(frame1,textvariable=citycode).pack()
    frame1.pack(side=TOP)

    frame2 = Frame(tk)
    Label(frame2, text='城市名称').pack(side=LEFT, expand=YES)
    cityname = '%s'%weatherinfo['city']
    str_v_cityname = StringVar()
    str_v_cityname.set(cityname)
    Entry(frame2, textvariable=str_v_cityname,state='readonly').pack()
    frame2.pack(side=TOP)

    frame3 = Frame(tk)
    Label(frame3, text='     高温').pack(side=LEFT, expand=YES)
    temp_h = '%s' % weatherinfo['tempH']
    str_v_temp_h = StringVar()
    str_v_temp_h.set(temp_h)
    Entry(frame3, textvariable=str_v_temp_h, state='readonly').pack()
    frame3.pack(side=TOP)

    frame4 = Frame(tk)
    Label(frame4, text='     低温').pack(side=LEFT, expand=YES)
    temp_l = '%s' % weatherinfo['tempL']
    str_v_temp_l = StringVar()
    str_v_temp_l.set(temp_l)
    Entry(frame4, textvariable=str_v_temp_l, state='readonly').pack()
    frame4.pack(side=TOP)

    frame5 = Frame(tk)
    Label(frame5, text='     天气').pack(side=LEFT, expand=YES)
    weather = '%s' % weatherinfo['weather']
    str_v_weather = StringVar()
    str_v_weather.set(weather)
    Entry(frame5, textvariable=str_v_weather, state='readonly').pack()
    frame5.pack(side=TOP)

    frame6 = Frame(tk)
    Label(frame6, text='更新时间').pack(side=LEFT, expand=YES)
    updatetime = '%s' % weatherinfo['ptime']
    str_v_updatetime = StringVar()
    str_v_updatetime.set(updatetime)
    Entry(frame6, textvariable=str_v_updatetime, state='readonly').pack()
    frame6.pack(side=TOP)

    frame7 = Frame(tk)
    btn_pull = Button(frame7,text='获取数据',command=lambda:show_in_tkinter(citycode.get()))
    print citycode.get()
    # btn_pull.bind(citycode.get(),update_weather)
    btn_pull.pack(side=LEFT, expand=YES)
    btn_quit = Button(frame7,text='退出',command=tk.quit).pack(side=LEFT, expand=YES)
    frame7.pack(side=TOP)

    tk.mainloop()

if __name__=="__main__":
    show_in_tkinter(101180308)

测试结果

不足之处

本来设计的是可以输入城市代码，来实时的获取对应的天气信息，并更新到界面上的，但是不知道为什么系统会默认新开一个Tkinter的界面，导致刷新失败！

有时间再来更新本文，打个时间戳:2016年8月26日22:50:14