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社区首页 >问答首页 >在pyqt5中使用另一个按钮激活按钮，我应该使用if语句吗？

问在pyqt5中使用另一个按钮激活按钮，我应该使用if语句吗？
EN

Stack Overflow用户
提问于 2019-11-20 22:56:32
回答 1查看 70关注 0票数 0

事情是这样发展的.

我想要按下SD底部，这将激活四个测试点，并为它们分配以下IP地址，因此当我按下TP1时，它将采用TP1地址，依此类推。

我正试着用if函数来做，但它不起作用！有没有更好的方法呢？

代码：

代码语言：javascript
复制
from PyQt5.QtWidgets import (QWidget, QPushButton, QApplication,
                             QGridLayout, QLCDNumber)
from PyQt5 import QtCore, QtGui, QtWidgets
from QLed import QLed

class MainProg(QtWidgets.QMainWindow):

    def __init__(self):


        super(MainProg, self).__init__()


        self.setObjectName("MainWindow")

        self.setFixedSize(1366, 768)

        self.AASD = QtWidgets.QToolButton(self)
        self.AASD.setGeometry(QtCore.QRect(140, 70, 31, 32))
        self.AASD.clicked.connect(self.ASD)

        self.AAHD = QtWidgets.QToolButton(self)
        self.AAHD.setGeometry(QtCore.QRect(180, 70, 31, 32))
        #self.AASD.clicked.connect(self.AHD)


        self.AASD.setText("SD")
        self.AAHD.setText("HD")


        ##################################################3
        self.Testpunk1 = QtWidgets.QToolButton(self)
        self.Testpunk1.setGeometry(QtCore.QRect(150, 460, 31, 32))

        self.Testpunk2 = QtWidgets.QToolButton(self)
        self.Testpunk2.setGeometry(QtCore.QRect(150, 510, 31, 32))

        self.Testpunk3 = QtWidgets.QToolButton(self)
        self.Testpunk3.setGeometry(QtCore.QRect(150, 595, 31, 32))
        self.Testpunk4 = QtWidgets.QToolButton(self)
        self.Testpunk4.setGeometry(QtCore.QRect(150, 650, 31, 32))

        self.Testpunk5 = QtWidgets.QToolButton(self)
        self.Testpunk5.setGeometry(QtCore.QRect(710, 465, 31, 32))
        self.Testpunk6 = QtWidgets.QToolButton(self)
        self.Testpunk6.setGeometry(QtCore.QRect(710, 515, 31, 32))

        self.Testpunk7 = QtWidgets.QToolButton(self)
        self.Testpunk7.setGeometry(QtCore.QRect(710, 600, 31, 32))
        self.Testpunk8 = QtWidgets.QToolButton(self)
        self.Testpunk8.setGeometry(QtCore.QRect(710, 650, 31, 32))
        self.Testpunk1.setText("TP1")
        self.Testpunk2.setText("TP2")
        self.Testpunk3.setText("TP3")
        self.Testpunk4.setText("TP4")

        self.Testpunk5.setText("TP5")
        self.Testpunk6.setText("TP6")
        self.Testpunk7.setText("TP7")
        self.Testpunk8.setText("TP8")



        ###################the LEDs####################

        self.Tp1 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp1.setGeometry(QtCore.QRect(185, 465, 25, 25))
        self.Tp1.value = False

        self.Tp2 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp2.setGeometry(QtCore.QRect(185, 600, 25, 25))
        self.Tp2.value = False

        self.Tp3 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp3.setGeometry(QtCore.QRect(745, 470, 25, 25))
        self.Tp3.value = False

        self.Tp4 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp4.setGeometry(QtCore.QRect(745, 605, 25, 25))
        self.Tp4.value = False

    def TPLed(self):

        self.Tp1.value = True  # the LED ON code
        self.Tp3.value = True  # the LED ON code
        self.Tp2.value = True  # the LED ON code
        self.Tp4.value = True


    def ASD(self):


        self.TPLed()
        TP1 = "239.168.1.6:1112"
        TP2 = "239.168.1.7:1116"
        TP3 = "239.168.1.6:1132"
        TP4 = "239.168.1.6:1136"
        TP5 = "239.168.2.6:2113"
        TP6 = "239.168.2.7:2122"
        TP7 = "239.168.2.8:2132"
        TP8 = "239.168.2.9:2142"


        if  self.Testpunk1.click():
            myurl = TP1
            print("TP1 is playing")
            pass
        if self.Testpunk2.click():
            myurl = TP2
            print("TP2 is playing")
            pass
        if self.Testpunk3.click():
            myurl = TP3
            print("TP3 is playing")
            pass
        if self.Testpunk4.click():
            myurl = TP4
            print("TP4 is playing")
            pass
        if self.Testpunk5.click():
            myurl = TP5
            print("TP5 is playing")
            pass
        if self.Testpunk6.click():
            myurl = TP6
            print("TP6 is playing")
            pass
        if self.Testpunk7.click():
            myurl = TP7
            print("TP7 is playing")
            pass

        if self.Testpunk8.click():
            myurl = TP8
            print("TP8 is playing")
            pass

    def AADH(self):
        #the same with different IP addresses
        pass




if __name__ == "__main__":
    import sys

    app = QtWidgets.QApplication(sys.argv)
    player = MainProg()
    player.show()
    sys.exit(app.exec_())
pyqt
pyqt5
python
EN

回答 1

Stack Overflow用户

回答已采纳

发布于 2019-11-22 02:37:39

我不太明白你到底想做什么，但答案来了。

代码语言：javascript
复制
from PyQt5.QtWidgets import (QWidget, QPushButton, QApplication,
                             QGridLayout, QLCDNumber)
from PyQt5 import QtCore, QtGui, QtWidgets
from QLed import QLed

class MainProg(QtWidgets.QMainWindow):

    def __init__(self):
        super(MainProg, self).__init__()

        self.setObjectName("MainWindow")

        self.setFixedSize(1366, 768)

        self.AASD = QtWidgets.QToolButton(self)
        self.AASD.setGeometry(QtCore.QRect(140, 70, 31, 32))
        self.AASD.clicked.connect(self.ASD)

        self.AAHD = QtWidgets.QToolButton(self)
        self.AAHD.setGeometry(QtCore.QRect(180, 70, 31, 32))
        #self.AASD.clicked.connect(self.AHD)

        self.AASD.setText("SD")
        self.AAHD.setText("HD")

        ##################################################3
        self.Testpunk1 = QtWidgets.QToolButton(self)
        self.Testpunk1.setGeometry(QtCore.QRect(150, 460, 31, 32))

        self.Testpunk2 = QtWidgets.QToolButton(self)
        self.Testpunk2.setGeometry(QtCore.QRect(150, 510, 31, 32))

        self.Testpunk3 = QtWidgets.QToolButton(self)
        self.Testpunk3.setGeometry(QtCore.QRect(150, 595, 31, 32))
        self.Testpunk4 = QtWidgets.QToolButton(self)
        self.Testpunk4.setGeometry(QtCore.QRect(150, 650, 31, 32))

        self.Testpunk5 = QtWidgets.QToolButton(self)
        self.Testpunk5.setGeometry(QtCore.QRect(710, 465, 31, 32))
        self.Testpunk6 = QtWidgets.QToolButton(self)
        self.Testpunk6.setGeometry(QtCore.QRect(710, 515, 31, 32))

        self.Testpunk7 = QtWidgets.QToolButton(self)
        self.Testpunk7.setGeometry(QtCore.QRect(710, 600, 31, 32))
        self.Testpunk8 = QtWidgets.QToolButton(self)
        self.Testpunk8.setGeometry(QtCore.QRect(710, 650, 31, 32))
        self.Testpunk1.setText("TP1")
        self.Testpunk2.setText("TP2")
        self.Testpunk3.setText("TP3")
        self.Testpunk4.setText("TP4")

        self.Testpunk5.setText("TP5")
        self.Testpunk6.setText("TP6")
        self.Testpunk7.setText("TP7")
        self.Testpunk8.setText("TP8")

        # You do need to set objectName to access from self.sender
        self.Testpunk1.setObjectName("TP1")
        self.Testpunk2.setObjectName("TP2")
        self.Testpunk3.setObjectName("TP3")
        self.Testpunk4.setObjectName("TP4")

        self.Testpunk5.setObjectName("TP5")
        self.Testpunk6.setObjectName("TP6")
        self.Testpunk7.setObjectName("TP7")
        self.Testpunk8.setObjectName("TP8")

        self.Testpunk1.clicked.connect(self.tpButtonClicked)
        self.Testpunk2.clicked.connect(self.tpButtonClicked)
        self.Testpunk3.clicked.connect(self.tpButtonClicked)
        self.Testpunk4.clicked.connect(self.tpButtonClicked)
        self.Testpunk5.clicked.connect(self.tpButtonClicked)
        self.Testpunk6.clicked.connect(self.tpButtonClicked)
        self.Testpunk7.clicked.connect(self.tpButtonClicked)
        self.Testpunk8.clicked.connect(self.tpButtonClicked)

        # ##################the LEDs####################
        self.Tp1 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp1.setGeometry(QtCore.QRect(185, 465, 25, 25))
        self.Tp1.value = False

        self.Tp2 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp2.setGeometry(QtCore.QRect(185, 600, 25, 25))
        self.Tp2.value = False

        self.Tp3 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp3.setGeometry(QtCore.QRect(745, 470, 25, 25))
        self.Tp3.value = False

        self.Tp4 = QLed(self, onColour=QLed.Orange, shape=QLed.Circle)
        self.Tp4.setGeometry(QtCore.QRect(745, 605, 25, 25))
        self.Tp4.value = False

    def TPLed(self):
        self.Tp1.setValue(True)  # the LED ON code
        self.Tp3.setValue(True)  # the LED ON code
        self.Tp2.setValue(True)  # the LED ON code
        self.Tp4.setValue(True)

    def tpButtonClicked(self):
        TP1 = "239.168.1.6:1112"
        TP2 = "239.168.1.7:1116"
        TP3 = "239.168.1.6:1132"
        TP4 = "239.168.1.6:1136"
        TP5 = "239.168.2.6:2113"
        TP6 = "239.168.2.7:2122"
        TP7 = "239.168.2.8:2132"
        TP8 = "239.168.2.9:2142"

        if self.sender().objectName() == "TP1":
            myurl = TP1
            print("TP1 is playing")
            return
        if self.sender().objectName() == "TP2":
            myurl = TP2
            print("TP2 is playing")
            return
        if self.sender().objectName() == "TP3":
            myurl = TP3
            print("TP3 is playing")
            return
        if self.sender().objectName() == "TP4":
            myurl = TP4
            print("TP4 is playing")
            return
        if self.sender().objectName() == "TP5":
            myurl = TP5
            print("TP5 is playing")
            return
        if self.sender().objectName() == "TP6":
            myurl = TP6
            print("TP6 is playing")
            return
        if self.sender().objectName() == "TP7":
            myurl = TP7
            print("TP7 is playing")
            return
        if self.sender().objectName() == "TP8":
            myurl = TP8
            print("TP8 is playing")
            return

    def ASD(self):
        QtCore.QTimer.singleShot(500, self.TPLed) # Using timer as QLed uses it in its tests

    def AADH(self):
        #the same with different IP addresses
        pass


if __name__ == "__main__":
    import sys

    app = QtWidgets.QApplication(sys.argv)
    player = MainProg()
    player.show()
    sys.exit(app.exec_())

发生的情况是，您正在尝试检查从另一个按钮触发的插槽中的单击事件。你的条件语句永远不会是真的。

我只需将这些按钮连接到一个插槽上，由于您可以访问self.sender，因此我以这种方式设置了一个objectName，您可以稍后检查它。我希望它能帮到你。

票数 1
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/58957265

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