<p>下面是一个工作代码:</p>
<pre><code>from PyQt4 import QtCore, QtGui
try:
_fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
def _fromUtf8(s):
return s
try:
_encoding = QtGui.QApplication.UnicodeUTF8
def _translate(context, text, disambig):
return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
def _translate(context, text, disambig):
return QtGui.QApplication.translate(context, text, disambig)
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName(_fromUtf8("Dialog"))
Form.resize(151, 67)
self.verticalLayout = QtGui.QVBoxLayout(Form)
self.verticalLayout.setObjectName(_fromUtf8("verticalLayout"))
self.pushButton = QtGui.QPushButton(Form)
self.pushButton.setObjectName(_fromUtf8("pushButton"))
self.verticalLayout.addWidget(self.pushButton)
self.lineEdit = QtGui.QLineEdit(Form)
self.lineEdit.setReadOnly(True)
self.lineEdit.setObjectName(_fromUtf8("lineEdit"))
self.verticalLayout.addWidget(self.lineEdit)
self.retranslateUi(Form)
QtCore.QObject.connect(self.pushButton, QtCore.SIGNAL(_fromUtf8("clicked()")), Form.changeText)
def retranslateUi(self, Form):
Form.setWindowTitle(_translate("Form", "Form", None))
self.pushButton.setText(_translate("Form", "Click me", None))
self.lineEdit.setPlaceholderText(_translate("Form", "functionvalue", None))
class MyForm(QtGui.QDialog, Ui_Form):
def __init__(self, z=0):
QtGui.QDialog.__init__(self)
self.setupUi(self)
self.z = z
def myfunc1(self):
self.z+=1
print (self.z)
def changeText(self):
self.myfunc1()
self.lineEdit.setText(str(self.z))
if __name__ == "__main__":
import sys
app = QtGui.QApplication(sys.argv)
Form = MyForm()
Form.show()
sys.exit(app.exec_())
</code></pre>