PyQt5+eric6之旅(四) - 信号与槽的绑定

如果编辑了按钮, 那么接下来就是通过按钮触发某个动作

• 首先右击窗体,生成对话框代码

• 绑定按钮

• 接着在代码栏就会看到生成的py文件

• 在qt designer中创建slot 绑定

• 再次编译 打开py文件发现已经绑定

• code ui_0726.py

  # -*- coding: utf-8 -*-
     
     # Form implementation generated from reading ui file 'D:\python\PyQt5\0726\0726.ui'
     #
     # Created by: PyQt5 UI code generator 5.10.1
     #
     # WARNING! All changes made in this file will be lost!
     
     from PyQt5 import QtCore, QtGui, QtWidgets
     
     class Ui_MainWindow(object):
         def setupUi(self, MainWindow):
             MainWindow.setObjectName("MainWindow")
             MainWindow.resize(531, 648)
             icon = QtGui.QIcon()
             icon.addPixmap(QtGui.QPixmap("C:/Users/aabgiilln/Desktop/服务日志.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
             MainWindow.setWindowIcon(icon)
             self.centralWidget = QtWidgets.QWidget(MainWindow)
             self.centralWidget.setObjectName("centralWidget")
             self.gridLayout = QtWidgets.QGridLayout(self.centralWidget)
             self.gridLayout.setObjectName("gridLayout")
             self.label = QtWidgets.QLabel(self.centralWidget)
             self.label.setObjectName("label")
             self.gridLayout.addWidget(self.label, 0, 0, 1, 1)
             self.lineEdit = QtWidgets.QLineEdit(self.centralWidget)
             self.lineEdit.setObjectName("lineEdit")
             self.gridLayout.addWidget(self.lineEdit, 0, 1, 1, 1)
             self.pushButton_2 = QtWidgets.QPushButton(self.centralWidget)
             self.pushButton_2.setObjectName("pushButton_2")
             self.gridLayout.addWidget(self.pushButton_2, 0, 2, 1, 1)
             self.label_2 = QtWidgets.QLabel(self.centralWidget)
             self.label_2.setObjectName("label_2")
             self.gridLayout.addWidget(self.label_2, 1, 0, 1, 1)
             self.lineEdit_2 = QtWidgets.QLineEdit(self.centralWidget)
             self.lineEdit_2.setObjectName("lineEdit_2")
             self.gridLayout.addWidget(self.lineEdit_2, 1, 1, 1, 1)
             self.pushButton = QtWidgets.QPushButton(self.centralWidget)
             self.pushButton.setObjectName("pushButton")
             self.gridLayout.addWidget(self.pushButton, 1, 2, 1, 1)
             self.textEdit = QtWidgets.QTextEdit(self.centralWidget)
             self.textEdit.setObjectName("textEdit")
             self.gridLayout.addWidget(self.textEdit, 3, 0, 1, 3)
             self.lineEdit_3 = QtWidgets.QLineEdit(self.centralWidget)
             self.lineEdit_3.setObjectName("lineEdit_3")
             self.gridLayout.addWidget(self.lineEdit_3, 2, 1, 1, 2)
             self.label_3 = QtWidgets.QLabel(self.centralWidget)
             self.label_3.setObjectName("label_3")
             self.gridLayout.addWidget(self.label_3, 2, 0, 1, 1)
             MainWindow.setCentralWidget(self.centralWidget)
             self.toolBar = QtWidgets.QToolBar(MainWindow)
             self.toolBar.setObjectName("toolBar")
             MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar)
             self.actionRun = QtWidgets.QAction(MainWindow)
             icon1 = QtGui.QIcon()
             icon1.addPixmap(QtGui.QPixmap("C:/Users/aabgiilln/Desktop/运行中.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
             self.actionRun.setIcon(icon1)
             self.actionRun.setObjectName("actionRun")
             self.actionPause = QtWidgets.QAction(MainWindow)
             icon2 = QtGui.QIcon()
             icon2.addPixmap(QtGui.QPixmap("C:/Users/aabgiilln/Desktop/播放-暂停.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
             self.actionPause.setIcon(icon2)
             self.actionPause.setObjectName("actionPause")
             self.actionQuit = QtWidgets.QAction(MainWindow)
             icon3 = QtGui.QIcon()
             icon3.addPixmap(QtGui.QPixmap("C:/Users/aabgiilln/Desktop/退出 (1).png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
             self.actionQuit.setIcon(icon3)
             self.actionQuit.setObjectName("actionQuit")
             self.toolBar.addAction(self.actionRun)
             self.toolBar.addAction(self.actionPause)
             self.toolBar.addAction(self.actionQuit)
     
             self.retranslateUi(MainWindow)
             self.pushButton.clicked.connect(MainWindow.close)
             self.pushButton_2.clicked.connect(MainWindow.on_pushButton_clicked)
             QtCore.QMetaObject.connectSlotsByName(MainWindow)
     
         def retranslateUi(self, MainWindow):
             _translate = QtCore.QCoreApplication.translate
             MainWindow.setWindowTitle(_translate("MainWindow", "实时日志"))
             self.label.setText(_translate("MainWindow", "服务器IP"))
             self.pushButton_2.setText(_translate("MainWindow", "开始"))
             self.label_2.setText(_translate("MainWindow", "服务密码"))
             self.pushButton.setText(_translate("MainWindow", "退出"))
             self.label_3.setText(_translate("MainWindow", "状态信息"))
             self.toolBar.setWindowTitle(_translate("MainWindow", "toolBar"))
             self.actionRun.setText(_translate("MainWindow", "Run"))
             self.actionPause.setText(_translate("MainWindow", "Pause"))
             self.actionQuit.setText(_translate("MainWindow", "Quit"))
     
     
     if __name__ == "__main__":
         import sys
         app = QtWidgets.QApplication(sys.argv)
         MainWindow = QtWidgets.QMainWindow()
         ui = Ui_MainWindow()
         ui.setupUi(MainWindow)
         MainWindow.show()
         sys.exit(app.exec_())

  • code start.py

  # -*- coding: utf-8 -*-
     
     """
     Module implementing Start.
     """
     
     from PyQt5.QtCore import pyqtSlot
     from PyQt5.QtWidgets import QMainWindow
     
     from Ui_0726 import Ui_MainWindow
     
     
     class Start(QMainWindow, Ui_MainWindow):
         """
         Class documentation goes here.
         """
         def __init__(self, parent=None):
             """
             Constructor
             
             @param parent reference to the parent widget
             @type QWidget
             """
             super(Start, self).__init__(parent)
             self.setupUi(self)
         
         @pyqtSlot()
         def on_pushButton_clicked(self):
             """
             Slot documentation goes here.
             """
             # TODO: not implemented yet
             self.lineEdit_3.setText('start')
     
     if __name__ == '__main__':
        import sys
        from PyQt5.QtWidgets import  QApplication
        app = QApplication(sys.argv)
        window = Start() ## 类名,注意要和自己定义的类名一致。
        window.show()
        sys.exit(app.exec_())

  • result