pyqt4教程之实现半透明的天气预报界面示例

# -*- coding: cp936 -*-
import sys
import urllib2
import json
from pyqt4 import qtcore, qtgui
class mywindow( qtgui.qlcdnumber,qtgui.qwidget):
    def __init__(self, parent=none):
        super(mywindow,self).__init__(parent)

        self.setwindowtitle("weather")
        self.resize(100,40)
        self.setnumdigits(0)
        self.setwindowflags(qtcore.qt.framelesswindowhint)
        self.setwindowopacity(0.5)
        url ='http://m.weather.com.cn/data/101090502.html'
        re = urllib2.urlopen(url).read()
        we = json.loads(re)['weatherinfo']
        label1 = qtgui.qlabel( we['city'] )
        label2 = qtgui.qlabel( we['date'] )
        label3 = qtgui.qlabel( we['week'] )
        label4 = qtgui.qlabel( we['temp1'])
        label5 = qtgui.qlabel( we['weather1'] )
        #---------添加表格布局
        gridlayout = qtgui.qgridlayout()

        gridlayout.addwidget( label1 , 0, 0 )
        gridlayout.addwidget( label2 , 0, 1 )
        gridlayout.addwidget( label3 , 0, 2 )
        gridlayout.addwidget( label4 , 0, 3 )
        gridlayout.addwidget( label5 , 0, 4 )

        self.setlayout( gridlayout )
    def mousepressevent(self,event): 
        if event.button()==qtcore.qt.leftbutton: 
            self.dragposition=event.globalpos()-self.framegeometry().topleft() 
            event.accept() 
        if event.button()==qtcore.qt.rightbutton: 
            self.close() 

    def mousemoveevent(self,event): 
        if event.buttons() & qtcore.qt.leftbutton: 
            self.move(event.globalpos()-self.dragposition) 
            event.accept()  

app = qtgui.qapplication( sys.argv )
demo = mywindow()
demo.show()
app.exec_()