Python 将单击事件添加到PyQt5按钮时出现问题，单击后没有连接
一般来说，PyQt和Python都是新手。我无法将单击事件应用到Python 将单击事件添加到PyQt5按钮时出现问题，单击后没有连接,python,pyqt5,Python,Pyqt5,一般来说，PyQt和Python都是新手。我无法将单击事件应用到PyQt5中的按钮。我正在尝试将功能添加到我所有的按钮中，尽管我似乎缺少一些初始设置来允许它工作。查看文档 pushButton.clicked.connect("Do some action") ..应在目标按钮上启用单击功能。 在按下按钮后，我当前没有可用的连接选项。连接呼叫。 我想我在课堂上错过了一些设置 from PyQt5 import QtCore, QtGui, QtWidgets import cheekychee
PyQt5pushButton.clicked.connect("Do some action")
按钮后，我当前没有可用的连接
选项。连接from PyQt5 import QtCore, QtGui, QtWidgets
import cheekycheeky
import datetime
import ntplib
import time
class ContLCDClock(QtWidgets.QWidget,):
def __init__(self, parent = None):
QtWidgets.QWidget.__init__(self, parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.updateLCD1)
self.timer.start(1000)
# self.timer2 = QtCore.QTimer()
# self.timer2.timeout.connect(self.updateLCD2)
# self.timer2.start(4000)
# self.time_format = "%H:%M:%S"
# self.client = ntplib.NTPClient()
# self.response = self.client.request('pool.ntp.org')
# self.clock = time.strftime(self.time_format, time.localtime(self.response.tx_time))
def updateLCD1(self):
self.currentTime = QtCore.QTime.currentTime()
self.strCurrentTime = self.currentTime.toString('hh:mm:ss')
self.ui.lcdNumber.display(self.strCurrentTime)
# def updateLCD2(self):
# self.time_format = "%H:%M:%S"
# self.client = ntplib.NTPClient()
# self.response = self.client.request('pool.ntp.org')
# self.clock = time.strftime(self.time_format, time.localtime(self.response.tx_time))
# self.ui.lcdNumber_2.display(self.clock)
class Ui_Form(object) :
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(335, 157)
self.pushButton_7 = QtWidgets.QPushButton(Form)
self.pushButton_7.setGeometry(QtCore.QRect(50, 120, 31, 23))
self.pushButton_7.setObjectName("pushButton_7")
self.pushButton_7.clicked.connect(print('I am working')) # This does not work
self.pushButton_9 = QtWidgets.QPushButton(Form)
self.pushButton_9.setGeometry(QtCore.QRect(90, 120, 31, 23))
self.pushButton_9.setObjectName("pushButton_9")
self.pushButton_6 = QtWidgets.QPushButton(Form)
self.pushButton_6.setGeometry(QtCore.QRect(210, 120, 31, 23))
self.pushButton_6.setObjectName("pushButton_6")
self.pushButton_3 = QtWidgets.QPushButton(Form)
self.pushButton_3.setGeometry(QtCore.QRect(290, 120, 31, 23))
self.pushButton_3.setObjectName("pushButton_3")
self.label = QtWidgets.QLabel(Form)
self.label.setGeometry(QtCore.QRect(9, 16, 80, 19))
font = QtGui.QFont()
font.setFamily("Arial")
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.pushButton_8 = QtWidgets.QPushButton(Form)
self.pushButton_8.setGeometry(QtCore.QRect(9, 120, 31, 23))
self.pushButton_8.setObjectName("pushButton_8")
self.pushButton_4 = QtWidgets.QPushButton(Form)
self.pushButton_4.setGeometry(QtCore.QRect(130, 120, 71, 23))
self.pushButton_4.setObjectName("pushButton_4")
self.pushButton_5 = QtWidgets.QPushButton(Form)
self.pushButton_5.setGeometry(QtCore.QRect(250, 120, 31, 23))
self.pushButton_5.setObjectName("pushButton_5")
self.lcdNumber_2 = QtWidgets.QLCDNumber(Form)
self.lcdNumber_2.setGeometry(QtCore.QRect(145, 9, 171, 31))
self.lcdNumber_2.setObjectName("lcdNumber_2")
self.lcdNumber_2.setDigitCount(11)
self.lcdNumber = QtWidgets.QLCDNumber(Form)
self.lcdNumber.setGeometry(QtCore.QRect(145, 59, 171, 31))
self.lcdNumber.setObjectName("lcdNumber")
self.lcdNumber.setDigitCount(8)
self.label_2 = QtWidgets.QLabel(Form)
self.label_2.setGeometry(QtCore.QRect(9, 67, 105, 19))
font = QtGui.QFont()
font.setFamily("Arial")
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.label_2.setFont(font)
self.label_2.setObjectName("label_2")
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Cheeky Timer"))
self.pushButton_7.setText(_translate("Form", "-.5"))
self.pushButton_9.setText(_translate("Form", "-.1"))
self.pushButton_6.setText(_translate("Form", "+.1"))
self.pushButton_3.setText(_translate("Form", "+1"))
self.label.setText(_translate("Form", "NTP Time:"))
self.pushButton_8.setText(_translate("Form", "-1"))
self.pushButton_4.setText(_translate("Form", "Reset Time"))
self.pushButton_5.setText(_translate("Form", "+.5"))
self.label_2.setText(_translate("Form", "Current Time:"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
c = ContLCDClock()
c.show()
sys.exit(app.exec_())
提前感谢您的帮助，我希望我已经说得够清楚了。我想可能是因为您的输入不正确，例如：
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import pyqtSlot
class App(QWidget):
def __init__(self):
super().__init__()
self.title = 'PyQt5 button - pythonspot.com'
self.left = 10
self.top = 10
self.width = 320
self.height = 200
self.initUI()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
button = QPushButton('PyQt5 button', self)
button.setToolTip('This is an example button')
button.move(100,70)
button.clicked.connect(self.on_click)
self.show()
@pyqtSlot()
def on_click(self):
print('PyQt5 button click')
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = App()
sys.exit(app.exec_())
self.on_单击print（“我正在工作”）Nonefrom PyQt5 import QtCore, QtGui, QtWidgets
import cheekycheeky
import datetime
import ntplib
import time
class ContLCDClock(QtWidgets.QWidget,):
def __init__(self, parent = None):
QtWidgets.QWidget.__init__(self, parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.updateLCD1)
self.timer.start(1000)
# self.timer2 = QtCore.QTimer()
# self.timer2.timeout.connect(self.updateLCD2)
# self.timer2.start(4000)
# self.time_format = "%H:%M:%S"
# self.client = ntplib.NTPClient()
# self.response = self.client.request('pool.ntp.org')
# self.clock = time.strftime(self.time_format, time.localtime(self.response.tx_time))
def updateLCD1(self):
self.currentTime = QtCore.QTime.currentTime()
self.strCurrentTime = self.currentTime.toString('hh:mm:ss')
self.ui.lcdNumber.display(self.strCurrentTime)
# def updateLCD2(self):
# self.time_format = "%H:%M:%S"
# self.client = ntplib.NTPClient()
# self.response = self.client.request('pool.ntp.org')
# self.clock = time.strftime(self.time_format, time.localtime(self.response.tx_time))
# self.ui.lcdNumber_2.display(self.clock)
class Ui_Form(object) :
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(335, 157)
self.pushButton_7 = QtWidgets.QPushButton(Form)
self.pushButton_7.setGeometry(QtCore.QRect(50, 120, 31, 23))
self.pushButton_7.setObjectName("pushButton_7")
self.pushButton_7.clicked.connect(self.i_am_working)
self.pushButton_9 = QtWidgets.QPushButton(Form)
self.pushButton_9.setGeometry(QtCore.QRect(90, 120, 31, 23))
self.pushButton_9.setObjectName("pushButton_9")
self.pushButton_6 = QtWidgets.QPushButton(Form)
self.pushButton_6.setGeometry(QtCore.QRect(210, 120, 31, 23))
self.pushButton_6.setObjectName("pushButton_6")
self.pushButton_3 = QtWidgets.QPushButton(Form)
self.pushButton_3.setGeometry(QtCore.QRect(290, 120, 31, 23))
self.pushButton_3.setObjectName("pushButton_3")
self.label = QtWidgets.QLabel(Form)
self.label.setGeometry(QtCore.QRect(9, 16, 80, 19))
font = QtGui.QFont()
font.setFamily("Arial")
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.pushButton_8 = QtWidgets.QPushButton(Form)
self.pushButton_8.setGeometry(QtCore.QRect(9, 120, 31, 23))
self.pushButton_8.setObjectName("pushButton_8")
self.pushButton_4 = QtWidgets.QPushButton(Form)
self.pushButton_4.setGeometry(QtCore.QRect(130, 120, 71, 23))
self.pushButton_4.setObjectName("pushButton_4")
self.pushButton_5 = QtWidgets.QPushButton(Form)
self.pushButton_5.setGeometry(QtCore.QRect(250, 120, 31, 23))
self.pushButton_5.setObjectName("pushButton_5")
self.lcdNumber_2 = QtWidgets.QLCDNumber(Form)
self.lcdNumber_2.setGeometry(QtCore.QRect(145, 9, 171, 31))
self.lcdNumber_2.setObjectName("lcdNumber_2")
self.lcdNumber_2.setDigitCount(11)
self.lcdNumber = QtWidgets.QLCDNumber(Form)
self.lcdNumber.setGeometry(QtCore.QRect(145, 59, 171, 31))
self.lcdNumber.setObjectName("lcdNumber")
self.lcdNumber.setDigitCount(8)
self.label_2 = QtWidgets.QLabel(Form)
self.label_2.setGeometry(QtCore.QRect(9, 67, 105, 19))
font = QtGui.QFont()
font.setFamily("Arial")
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.label_2.setFont(font)
self.label_2.setObjectName("label_2")
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self, Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form", "Cheeky Timer"))
self.pushButton_7.setText(_translate("Form", "-.5"))
self.pushButton_9.setText(_translate("Form", "-.1"))
self.pushButton_6.setText(_translate("Form", "+.1"))
self.pushButton_3.setText(_translate("Form", "+1"))
self.label.setText(_translate("Form", "NTP Time:"))
self.pushButton_8.setText(_translate("Form", "-1"))
self.pushButton_4.setText(_translate("Form", "Reset Time"))
self.pushButton_5.setText(_translate("Form", "+.5"))
self.label_2.setText(_translate("Form", "Current Time:"))
def i_am_working(self):
print('I am working')
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
c = ContLCDClock()
c.show()
sys.exit(app.exec_())
使用
self.button_7.点击.connect（lambda:print（'I'm working'））