PythonGui->状态栏

import sys
from PyQt4 import QtGui

class MainWindow(QtGui.QMainWindow):
    def __init__(self):
        QtGui.QMainWindow.__init__(self)

        self.resize(250, 150)
        self.setWindowTitle('statusbar')
        
        self.statusBar().showMessage('Ready')

app = QtGui.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())