PySide，連接PushButton錯誤

Question

我想在PySide中做一個簡單的測試應用程序，我真的不理解我錯過了什麼。這是目前爲止的代碼：

import sys 
from PySide import QtCore, QtGui 

class IPTest(QtGui.QMainWindow): 
    def __init__(self): 
     super(BartonTest, self).__init__() 
     self.initUI() 

    def initUI(self): 
     lblAddress = QtGui.QLabel("IP Address", self) 
     lineAddress = QtGui.QLineEdit(self) 
     lblPort = QtGui.QLabel("Port Number", self) 
     linePort = QtGui.QLineEdit(self) 
     btnSend = QtGui.QPushButton("Send", self) 
     btnReceive = QtGui.QPushButton("Receive", self) 

     lblAddress.move(30, 20) 
     lblPort.move(30, 60) 
     lineAddress.move(130, 20) 
     linePort.move(130, 60) 
     btnSend.move(30, 100) 
     btnReceive.move(130, 100) 




     self.setGeometry(200, 200, 275, 150) 
     self.setWindowTitle('Send/Receive TCP Test Program') 
     self.show() 

    def sendData(self): 
     fileName, _ = QtGui.QFileDialog.getOPenFileName(self, 'Open CNC Program') 
     self.data = open(fileName, 'r') 



def main(): 
    app = QtGui.QApplication(sys.argv) 
    bt = IPTest() 
    sys.exit(app.exec_()) 

if __name__ == '__main__': 
    main() 

現在我想要做的只是將一個事件連接到按鈕。 Qt的文檔告訴我，我需要做的是：

btnSend.clicked.connect(self.sendData) 

PyCharm說，它無法找到參考點擊和我得到的例外是

TypeError: native Qt signal is not callable 

我非常（很容易）難住了。

Answer 1

的我正確以下工作：

import sys 
from PySide import QtCore, QtGui 

class IPTest(QtGui.QMainWindow): 
    def __init__(self): 
     super(IPTest, self).__init__() 
     self.initUI() 

    def initUI(self): 
     lblAddress = QtGui.QLabel("IP Address", self) 
     lineAddress = QtGui.QLineEdit(self) 
     lblPort = QtGui.QLabel("Port Number", self) 
     linePort = QtGui.QLineEdit(self) 
     btnSend = QtGui.QPushButton("Send", self) 
     btnReceive = QtGui.QPushButton("Receive", self) 

     lblAddress.move(30, 20) 
     lblPort.move(30, 60) 
     lineAddress.move(130, 20) 
     linePort.move(130, 60) 
     btnSend.move(30, 100) 
     btnReceive.move(130, 100) 

     btnSend.clicked.connect(self.sendData) 
     self.setGeometry(200, 200, 275, 150) 
     self.setWindowTitle('Send/Receive TCP Test Program') 
     self.show() 

    def sendData(self): 

     fileName, _ = QtGui.QFileDialog.getOpenFileName(self, 'Open CNC Program') 
     if len(fileName) > 0: 
      self.data = open(fileName, 'r')