获取天气的主要代码如下:
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# cityCode 替换为具体某一个城市的对应编号 # 1、发送请求,获取数据 url = f 'http://wthrcdn.etouch.cn/weather_mini?citykey={cityCode}' res = requests.get(url) res.encoding = 'utf-8' res_json = res.json() # 2、数据格式化 data = res_json[ 'data' ] city = f "城市:{data['city']}\n" # 字符串格式化的一种方式 f"{}" 通过字典传递值 today = data[ 'forecast' ][ 0 ] date = f "日期:{today['date']}\n" # \n 换行 now = f "实时温度:{data['wendu']}度\n" temperature = f "温度:{today['high']} {today['low']}\n" fengxiang = f "风向:{today['fengxiang']}\n" type = f "天气:{today['type']}\n" tips = f "贴士:{data['ganmao']}\n" result = city + date + now + temperature + fengxiang + type + tips print (result) |
1、使用Qt Designer绘制窗口,保存为ui文件
2、把ui文件转为py文件
(1)在生成的ui文件目录下,打开cmd
(2)输入以下命令(注意替换名称)
pyuic5 -o destination.py source.ui
3、信号与槽函数的连接
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# 1、清空按钮与对应函数连接 clearBtn.clicked.connect(widget.clearResult) # 2、查询按钮与对应函数连接 queryBtn.clicked.connect(widget.queryWeather) |
4、调用主窗口类
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import sys from PyQt5.QtWidgets import QApplication , QMainWindow from WeatherWin import Ui_widget import requests import json class MainWindow(QMainWindow ): def __init__( self , parent = None ): super (MainWindow, self ).__init__(parent) self .ui = Ui_widget() self .ui.setupUi( self ) # 通过文本框传入想要搜索的城市名称:天津 cityName = self .ui.weatherComboBox.currentText() # 获取天气部分省略 # 在文本框显示查询结果 self .ui.resultText.setText(result) def clearResult( self ): print ( '* clearResult ' ) self .ui.resultText.clear() if __name__ = = "__main__" : app = QApplication(sys.argv) win = MainWindow() win.show() sys.exit(app.exec_()) |
代码扩展:
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from tkinter import * import urllib.request import gzip import json from tkinter import messagebox root = Tk() def main(): # 输入窗口 root.title( 'Python学习交流群:973783996' ) # 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 , 'Python学习交流群:973783996' ) # 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() |
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