* 在编程开发中，一个程序不可避免的需要多窗口操作来实现具体的功能。
实现此功能的基本步骤（以三个窗口为例，使用主窗口调用其它两个窗口）
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# 主窗口from pyqt5 import qtcore, qtgui, qtwidgets class ui_mainwindow(object): def setupui(self, mainwindow): mainwindow.setobjectname("mainwindow") mainwindow.resize(800, 600) self.centralwidget = qtwidgets.qwidget(mainwindow) self.centralwidget.setobjectname("centralwidget") self.pushbutton = qtwidgets.qpushbutton(self.centralwidget) self.pushbutton.setgeometry(qtcore.qrect(70, 180, 75, 23)) self.pushbutton.setobjectname("pushbutton") self.pushbutton_2 = qtwidgets.qpushbutton(self.centralwidget) self.pushbutton_2.setgeometry(qtcore.qrect(250, 180, 75, 23)) self.pushbutton_2.setobjectname("pushbutton_2") mainwindow.setcentralwidget(self.centralwidget) self.menubar = qtwidgets.qmenubar(mainwindow) self.menubar.setgeometry(qtcore.qrect(0, 0, 800, 23)) self.menubar.setobjectname("menubar") mainwindow.setmenubar(self.menubar) self.statusbar = qtwidgets.qstatusbar(mainwindow) self.statusbar.setobjectname("statusbar") mainwindow.setstatusbar(self.statusbar) self.retranslateui(mainwindow) qtcore.qmetaobject.connectslotsbyname(mainwindow) def retranslateui(self, mainwindow): _translate = qtcore.qcoreapplication.translate mainwindow.setwindowtitle(_translate("mainwindow", "mainwindow")) self.pushbutton.settext(_translate("mainwindow", "打开窗口1")) self.pushbutton_2.settext(_translate("mainwindow", "打开窗口2 ")) # 窗口1class ui_dialog(object): def setupui(self, dialog): dialog.setobjectname("dialog") dialog.resize(400, 300) self.buttonbox = qtwidgets.qdialogbuttonbox(dialog) self.buttonbox.setgeometry(qtcore.qrect(30, 240, 341, 32)) self.buttonbox.setorientation(qtcore.qt.horizontal) self.buttonbox.setstandardbuttons(qtwidgets.qdialogbuttonbox.cancel|qtwidgets.qdialogbuttonbox.ok) self.buttonbox.setobjectname("buttonbox") self.label = qtwidgets.qlabel(dialog) self.label.setgeometry(qtcore.qrect(140, 100, 54, 12)) self.label.setobjectname("label") self.retranslateui(dialog) self.buttonbox.accepted.connect(dialog.accept) self.buttonbox.rejected.connect(dialog.reject) qtcore.qmetaobject.connectslotsbyname(dialog) def retranslateui(self, dialog): _translate = qtcore.qcoreapplication.translate dialog.setwindowtitle(_translate("dialog", "dialog")) self.label.settext(_translate("dialog", "这是窗口1"))# 窗口2 class ui_form(object): def setupui(self, form): form.setobjectname("form") form.resize(400, 300) self.label = qtwidgets.qlabel(form) self.label.setgeometry(qtcore.qrect(140, 140, 54, 12)) self.label.setobjectname("label") self.retranslateui(form) qtcore.qmetaobject.connectslotsbyname(form) def retranslateui(self, form): _translate = qtcore.qcoreapplication.translate form.setwindowtitle(_translate("form", "form")) self.label.settext(_translate("form", "这是窗口2")) |
主程序入口：
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# 主程序class mainwindow(qmainwindow, untitled.ui_mainwindow): def __init__(self): super(mainwindow, self).__init__() self.setupui(self) self.window2 = ui_dialog() self.window2.setupui() self.window3 = ui_form() self.window3.setupui() self.pushbutton.clicked.connect(self.window2.show)# 绑定窗口2 self.pushbutton_2.clicked.connect(self.window3.show) # 绑定窗口3 if __name__ == '__main__': app = qapplication(sys.argv) mainwindow = mainwindow() mainwindow.show() sys.exit(app.exec_()) |
以上实现主窗口通过按钮弹出窗口1和窗口2
下面实现通过窗口按钮打开文件资源管理器，实现获取文件相关信息的功能：
1. 在主窗口中添加一个按钮：
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class ui_mainwindow(object): def setupui(self, mainwindow): ...... self.pushbutton_3 = qtwidgets.qpushbutton(self.centralwidget) self.pushbutton_3.setgeometry(qtcore.qrect(420, 180, 75, 23)) self.pushbutton_3.setobjectname("pushbutton_3") def retranslateui(self, mainwindow): ...... self.pushbutton_3.settext(_translate("mainwindow", "打开目录")) |
2.主程序中添加：
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# 主程序class mainwindow(qmainwindow, untitled.ui_mainwindow): def __init__(self): super(mainwindow, self).__init__() self.setupui(self) self.window2 = ui_dialog() self.window2.setupui() self.window3 = ui_form() self.window3.setupui() self.pushbutton.clicked.connect(self.window2.show)# 绑定窗口2 self.pushbutton_2.clicked.connect(self.window3.show) # 绑定窗口3 self.pushbutton_3.clicked.connect(self.gefilename) # 新增加的 # 新增加的 def gefilename(self): filename = qfiledialog.getopenfilename() return filename if __name__ == '__main__': app = qapplication(sys.argv) mainwindow = mainwindow() mainwindow.show() sys.exit(app.exec_()) |
即可完成上述功能。
以上这篇pyqt 多窗口之间的相互调用方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/huolan__34/article/details/81541308
