QT5气象例子

天气预报：

'''
项目实战：天气信息查询

'''

import sys     
from PyQt5.QtWidgets import QApplication , QMainWindow
from WeatherWin import Ui_Form
import requests

class MainWindow(QMainWindow ):
    def __init__(self, parent=None):    
        super(MainWindow, self).__init__(parent)
        self.ui = Ui_Form()
        self.ui.setupUi(self)
         
    def queryWeather(self):
        cityName = self.ui.weatherComboBox.currentText()
        cityCode = self.transCityName(cityName)

        rep = requests.get('http://www.weather.com.cn/data/sk/' + cityCode + '.html')
        rep.encoding = 'utf-8'
        print( rep.json() ) 
        
        msg1 = '城市: %s' % rep.json()['weatherinfo']['city'] + '\n'
        msg2 = '风向: %s' % rep.json()['weatherinfo']['WD'] + '\n'
        msg3 = '温度: %s' % rep.json()['weatherinfo']['temp'] + ' 度' + '\n'
        msg4 = '风力: %s' % rep.json()['weatherinfo']['WS'] + '\n'
        msg5 = '湿度: %s' % rep.json()['weatherinfo']['SD'] + '\n'
        result = msg1 + msg2 + msg3 + msg4 + msg5
        self.ui.resultText.setText(result)
        
    def transCityName(self ,cityName):
        cityCode = ''
        if cityName == '北京' :
            cityCode = '101010100'
        elif cityName == '天津' :
            cityCode = '101030100'
        elif cityName == '上海' :
            cityCode = '101020100'
            
        return cityCode
                
    def clearResult(self):
        print('* clearResult  ')
        self.ui.resultText.clear()    
        
if __name__=="__main__":  
    app = QApplication(sys.argv)  
    win = MainWindow()  
    win.show()  
    sys.exit(app.exec_())