PyQt是一个创建GUI应用程序的工具包。它是Python编程语言和Qt库的成功融合。Qt库是目前最强大的库之一。PyQt是由Phil Thompson 开发。文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/15096.html
我们通过Qt Designer设计两个窗口,命名为主窗口(MainForm)和子窗口(ChildrenForm)。我们在主窗口的空白中央添加一个栅格布局并命名为MaingridLayout,等会需要将ChildrenForm放进去。文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/15096.html
编写代码文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/15096.html
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | from PyQt5 import QtWidgets from MainForm import Ui_MainForm from Children import Ui_Form from PyQt5.QtWidgets import QFileDialog class MainForm(QtWidgets.QMainWindow,Ui_MainForm): def __init__( self ): super (MainForm, self ).__init__() self .setupUi( self ) self .child = ChildrenForm() #self.child = children()生成子窗口实例self.child self .fileOpen.triggered.connect( self .openMsg) #菜单的点击事件是triggered self .fileClose.triggered.connect( self .close) self .actionTst.triggered.connect( self .childShow) #点击actionTst,子窗口就会显示在主窗口的MaingridLayout中 def childShow( self ): self .MaingridLayout.addWidget( self .child) #添加子窗口 self .child.show() def openMsg( self ): file ,ok = QFileDialog.getOpenFileName( self , "打开" , "C:/" , "All Files (*);;Text Files (*.txt)" ) self .statusbar.showMessage( file ) #在状态栏显示文件地址 class ChildrenForm(QtWidgets.QWidget,Ui_Form): def __init__( self ): super (ChildrenForm, self ).__init__() self .setupUi( self ) if __name__ = = "__main__" : import sys app = QtWidgets.QApplication(sys.argv) myshow = MainForm() myshow.show() sys.exit(app.exec_()) |