獲取天氣的主要代碼如下：
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# cityCode 替換為具體某一個城市的對應(yīng)編號# 1、發(fā)送請求，獲取數(shù)據(jù)url = f'http://wthrcdn.etouch.cn/weather_mini?citykey={cityCode}'res = requests.get(url)res.encoding = 'utf-8'res_json = res.json() # 2、數(shù)據(jù)格式化data = res_json['data']city = f"城市：{data['city']}\n"# 字符串格式化的一種方式 f"{}" 通過字典傳遞值 today = data['forecast'][0]date = f"日期：{today['date']}\n" # \n 換行now = f"實時溫度：{data['wendu']}度\n"temperature = f"溫度：{today['high']} {today['low']}\n"fengxiang = f"風(fēng)向：{today['fengxiang']}\n"type = f"天氣：{today['type']}\n"tips = f"貼士：{data['ganmao']}\n" result = city + date + now + temperature + fengxiang + type + tips print(result) |
1、使用Qt Designer繪制窗口，保存為ui文件
2、把ui文件轉(zhuǎn)為py文件
（1）在生成的ui文件目錄下，打開cmd
（2）輸入以下命令（注意替換名稱）
pyuic5 -o destination.py source.ui
3、信號與槽函數(shù)的連接
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# 1、清空按鈕與對應(yīng)函數(shù)連接clearBtn.clicked.connect(widget.clearResult) # 2、查詢按鈕與對應(yīng)函數(shù)連接queryBtn.clicked.connect(widget.queryWeather) |
4、調(diào)用主窗口類
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import sys from PyQt5.QtWidgets import QApplication , QMainWindowfrom WeatherWin import Ui_widgetimport requestsimport json class MainWindow(QMainWindow ): def __init__(self, parent=None): super(MainWindow, self).__init__(parent) self.ui = Ui_widget() self.ui.setupUi(self) # 通過文本框傳入想要搜索的城市名稱:天津 cityName = self.ui.weatherComboBox.currentText() # 獲取天氣部分省略 # 在文本框顯示查詢結(jié)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_()) |
代碼擴展：
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from tkinter import *import urllib.requestimport gzipimport jsonfrom tkinter import messageboxroot = Tk()def main(): # 輸入窗口 root.title('Python學(xué)習(xí)交流群：973783996') # 窗口標題 Label(root, text='請輸入城市').grid(row=0, column=0) # 設(shè)置標簽并調(diào)整位置 enter = Entry(root) # 輸入框 enter.grid(row=0, column=1, padx=20, pady=20) # 調(diào)整位置 enter.delete(0, END) # 清空輸入框 enter.insert(0, 'Python學(xué)習(xí)交流群：973783996') # 設(shè)置默認文本 # enter_text = enter.get()#獲取輸入框的內(nèi)容 running = 1 def get_weather_data(): # 獲取網(wǎng)站數(shù)據(jù) city_name = enter.get() # 獲取輸入框的內(nèi)容 url1 = 'http://wthrcdn.etouch.cn/weather_mini?city=' + urllib.parse.quote(city_name) url2 = 'http://wthrcdn.etouch.cn/weather_mini?citykey=101010100' # 網(wǎng)址1只需要輸入城市名，網(wǎng)址2需要輸入城市代碼 # print(url1) weather_data = urllib.request.urlopen(url1).read() # 讀取網(wǎng)頁數(shù)據(jù) weather_data = gzip.decompress(weather_data).decode('utf-8') # 解壓網(wǎng)頁數(shù)據(jù) weather_dict = json.loads(weather_data) # 將json數(shù)據(jù)轉(zhuǎn)換為dict數(shù)據(jù) if weather_dict.get('desc') == 'invilad-citykey': print(messagebox.askokcancel("xing", "你輸入的城市名有誤，或者天氣中心未收錄你所在城市")) else: # print(messagebox.askokcancel('xing','bingguo')) show_data(weather_dict, city_name) def show_data(weather_dict, city_name): # 顯示數(shù)據(jù) forecast = weather_dict.get('data').get('forecast') # 獲取數(shù)據(jù)塊 root1 = Tk() # 副窗口 root1.geometry('650x280') # 修改窗口大小 root1.title(city_name + '天氣狀況') # 副窗口標題 # 設(shè)置日期列表 for i in range(5): # 將每一天的數(shù)據(jù)放入列表中 LANGS = [(forecast[i].get('date'), '日期'), (forecast[i].get('fengxiang'), '風(fēng)向'), (str(forecast[i].get('fengji')), '風(fēng)級'), (forecast[i].get('high'), '最高溫'), (forecast[i].get('low'), '最低溫'), (forecast[i].get('type'), '天氣')] group = LabelFrame(root1, text='天氣狀況', padx=0, pady=0) # 框架 group.pack(padx=11, pady=0, side=LEFT) # 放置框架 for lang, value in LANGS: # 將數(shù)據(jù)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) # 溫馨提示 Label(root1, text="StarMan: 49star.com", fg="green", bg="yellow").place(x=10, y=255, width=125, height=20) # 作者網(wǎng)站 Button(root1, text='確認并退出', width=10, command=root1.quit).place(x=500, y=230, width=80, height=40) # 退出按鈕 root1.mainloop() # 布置按鍵 Button(root, text="確認", 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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原文鏈接：https://www.py.cn/jishu/gaoji/32261.html
