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_()