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python - PyQt - 如何将标签从编辑窗口链接和更新到我的主窗口

转载 作者:太空宇宙 更新时间:2023-11-03 21:10:41 25 4
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我必须创建一个库存程序,但我遇到了麻烦,我想要有编辑按钮,当单击它时,会弹出另一个窗口,然后编辑或更新标签。

我想要一个保存按钮,在从编辑窗口更改标签并单击更新后,它会将更改从编辑窗口传递到主窗口。

这是单击编辑按钮将弹出的主窗口的代码,源自 Qt Designer:

从 PyQt5 导入 QtCore、QtGui、QtWidgets从 editForm 导入 Ui_editWindow

类 Ui_MainWindow(对象):
def openWindow(自身):
self.window = QtWidgets.QMainWindow()
self.ui = Ui_editWindow()
self.ui.setupUi(self.window)
self.window.show()

   def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(641, 661)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout_3 = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout_3.setContentsMargins(10, 10, 10, 10)
self.gridLayout_3.setHorizontalSpacing(5)
self.gridLayout_3.setObjectName("gridLayout_3")
self.tabWidget = QtWidgets.QTabWidget(self.centralwidget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.tabWidget.sizePolicy(). hasHeightForWidth())
self.tabWidget.setSizePolicy(sizePolicy)
self.tabWidget.setObjectName("tabWidget")
self.widget = QtWidgets.QWidget()
self.widget.setObjectName("widget")
self.gridLayout = QtWidgets.QGridLayout(self.widget)
self.gridLayout.setContentsMargins(0, 0, 0, 0)
self.gridLayout.setObjectName("gridLayout")
self.scrollArea_2 = QtWidgets.QScrollArea(self.widget)
self.scrollArea_2.setWidgetResizable(True)
self.scrollArea_2.setObjectName("scrollArea_2")
self.scrollAreaWidgetContents_2 = QtWidgets.QWidget()
self.scrollAreaWidgetContents_2.setGeometry(QtCore.QRect(0, 0, 595, 554))`
`self.scrollAreaWidgetContents_2.setObjectName ("scrollAreaWidgetContents_2")
self.lineEdit = QtWidgets.QLineEdit(self.scrollAreaWidgetContents_2)
self.lineEdit.setGeometry(QtCore.QRect(135, 527, 133, 20))
self.lineEdit.setObjectName("lineEdit")
self.pushButton = QtWidgets.QPushButton(self.scrollAreaWidgetContents_2)
self.pushButton.setGeometry(QtCore.QRect(515, 526, 75, 23))
self.pushButton.setObjectName("pushButton")`

self.pushButton.clicked.connect(self.openWindow)

self.label_2 = QtWidgets.QLabel(self.scrollAreaWidgetContents_2)
self.label_2.setGeometry(QtCore.QRect(30, 40, 41, 16))
self.label_2.setObjectName("label_2")
self.label = QtWidgets.QLabel(self.scrollAreaWidgetContents_2)
self.label.setGeometry(QtCore.QRect(20, 10, 69, 16))
font = QtGui.QFont()
font.setPointSize(10)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.label_3 = QtWidgets.QLabel(self.scrollAreaWidgetContents_2)
self.label_3.setGeometry(QtCore.QRect(150, 10, 121, 16))
font = QtGui.QFont()
font.setPointSize(10)
font.setBold(True)
font.setWeight(75)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
self.lineEdit_2 = QtWidgets.QLineEdit(self.scrollAreaWidgetContents_2)
self.lineEdit_2.setGeometry(QtCore.QRect(120, 210, 113, 20))
self.lineEdit_2.setPlaceholderText("")
self.lineEdit_2.setObjectName("lineEdit_2")
self.scrollArea_2.setWidget(self.scrollAreaWidgetContents_2)
self.gridLayout.addWidget(self.scrollArea_2, 0, 0, 1, 1)
self.tabWidget.addTab(self.widget, "")
self.tab_2 = QtWidgets.QWidget()
self.tab_2.setObjectName("tab_2")
self.gridLayout_2 = QtWidgets.QGridLayout(self.tab_2)
self.gridLayout_2.setContentsMargins(0, 0, 0, 0)
self.gridLayout_2.setObjectName("gridLayout_2")
self.scrollArea = QtWidgets.QScrollArea(self.tab_2)
self.scrollArea.setWidgetResizable(True)
self.scrollArea.setObjectName("scrollArea")
self.scrollAreaWidgetContents = QtWidgets.QWidget()
self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 595, 554))
self.scrollAreaWidgetContents.setObjectName ("scrollAreaWidgetContents")
self.scrollArea.setWidget(self.scrollAreaWidgetContents)
self.gridLayout_2.addWidget(self.scrollArea, 0, 0, 1, 1)
self.tabWidget.addTab(self.tab_2, "")
self.gridLayout_3.addWidget(self.tabWidget, 0, 1, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 641, 21))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)

self.retranslateUi(MainWindow)
self.tabWidget.setCurrentIndex(0)
QtCore.QMetaObject.connectSlotsByName(MainWindow)

def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Automated System Inventory"))
self.pushButton.setText(_translate("MainWindow", "Edit"))
self.label_2.setText(_translate("MainWindow", "RC Small"))
self.label.setText(_translate("MainWindow", "Item Name"))
self.label_3.setText(_translate("MainWindow", "Number of Stocks"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.widget), _translate("MainWindow", "Stocks and Price"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), _translate("MainWindow", "Profit"))

如果 __name__ == "__main__":
导入系统
应用程序 = QtWidgets.QApplication(sys.argv)
主窗口 = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(主窗口)
主窗口.show()
sys.exit(app.exec_())

这是编辑窗口的代码,源自 Qt Designer:

从 PyQt5 导入 QtCore、QtGui、QtWidgets

类 Ui_editWindow(对象):
def setupUi(self, editWindow):
editWindow.setObjectName("editWindow")
editWindow.setEnabled(True)
editWindow.resize(400, 350)
editWindow.setContextMenuPolicy(QtCore.Qt.DefaultContextMenu)
self.centralwidget = QtWidgets.QWidget(editWindow)
self.centralwidget.setObjectName("centralwidget")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(160, 20, 71, 31))
字体 = QtGui.QFont()
字体.setPointSize(10)
字体.setBold(True)
字体.setWeight(75)
self.label.setFont(字体)
self.label.setObjectName("标签")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setGeometry(QtCore.QRect(300, 270, 75, 23))
self.pushButton.setObjectName("pushButton")
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QtCore.QRect(220, 270, 75, 23))
self.pushButton_2.setObjectName("pushButton_2")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(10, 60, 47, 13))
self.label_2.setObjectName("label_2")
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setGeometry(QtCore.QRect(70, 60, 113, 20))
self.lineEdit.setObjectName("lineEdit")
editWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(editWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 400, 21))
self.menubar.setObjectName("菜单栏")
editWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(editWindow)
self.statusbar.setObjectName("状态栏")
editWindow.setStatusBar(self.statusbar)

       self.retranslateUi(editWindow)
self.lineEdit.textEdited['QString'].connect(self.label_2.setText)
self.pushButton.clicked.connect(self.label_2.clear)
QtCore.QMetaObject.connectSlotsByName(editWindow)`



def retranslateUi(self, editWindow):
_translate = QtCore.QCoreApplication.translate
editWindow.setWindowTitle(_translate("editWindow", "MainWindow"))
self.label.setText(_translate("editWindow", "EDIT FORM"))
self.pushButton.setText(_translate("editWindow", "Clear"))
self.pushButton_2.setText(_translate("editWindow", "Update"))
self.label_2.setText(_translate("editWindow", "Coke")
self.lineEdit.setPlaceholderText(_translate("editWindow", "Item Name"))`

如果 __name__ == "__main__":
导入系统
应用程序 = QtWidgets.QApplication(sys.argv)
editWindow = QtWidgets.QMainWindow()
ui = Ui_editWindow()
ui.setupUi(编辑窗口)
编辑窗口.show()
sys.exit(app.exec_())

最佳答案

尝试一下:

ma​​in.py

from PyQt5 import QtCore, QtGui, QtWidgets 
from editForm import Ui_editWindow


class Ui_MainWindow(object):
# def openWindow(self):
# self.window = QtWidgets.QMainWindow()
# self.ui = Ui_editWindow()
# self.ui.setupUi(self.window)
# self.window.show()

def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(641, 661)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout_3 = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout_3.setContentsMargins(10, 10, 10, 10)
self.gridLayout_3.setHorizontalSpacing(5)
self.gridLayout_3.setObjectName("gridLayout_3")
self.tabWidget = QtWidgets.QTabWidget(self.centralwidget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.tabWidget.sizePolicy(). hasHeightForWidth())
self.tabWidget.setSizePolicy(sizePolicy)
self.tabWidget.setObjectName("tabWidget")
self.widget = QtWidgets.QWidget()
self.widget.setObjectName("widget")
self.gridLayout = QtWidgets.QGridLayout(self.widget)
self.gridLayout.setContentsMargins(0, 0, 0, 0)
self.gridLayout.setObjectName("gridLayout")
self.scrollArea_2 = QtWidgets.QScrollArea(self.widget)
self.scrollArea_2.setWidgetResizable(True)
self.scrollArea_2.setObjectName("scrollArea_2")
self.scrollAreaWidgetContents_2 = QtWidgets.QWidget()
self.scrollAreaWidgetContents_2.setGeometry(QtCore.QRect(0, 0, 595, 554))
self.scrollAreaWidgetContents_2.setObjectName ("scrollAreaWidgetContents_2")
self.lineEdit = QtWidgets.QLineEdit(self.scrollAreaWidgetContents_2)
self.lineEdit.setGeometry(QtCore.QRect(135, 527, 133, 20))
self.lineEdit.setObjectName("lineEdit")
self.pushButton = QtWidgets.QPushButton(self.scrollAreaWidgetContents_2)
self.pushButton.setGeometry(QtCore.QRect(515, 526, 75, 23))
self.pushButton.setObjectName("pushButton")

# self.pushButton.clicked.connect(self.openWindow)

self.label_2 = QtWidgets.QLabel(self.scrollAreaWidgetContents_2)
self.label_2.setGeometry(QtCore.QRect(30, 40, 41, 16))
self.label_2.setObjectName("label_2")
self.label = QtWidgets.QLabel(self.scrollAreaWidgetContents_2)
self.label.setGeometry(QtCore.QRect(20, 10, 69, 16))
font = QtGui.QFont()
font.setPointSize(10)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.label_3 = QtWidgets.QLabel(self.scrollAreaWidgetContents_2)
self.label_3.setGeometry(QtCore.QRect(150, 10, 121, 16))
font = QtGui.QFont()
font.setPointSize(10)
font.setBold(True)
font.setWeight(75)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
self.lineEdit_2 = QtWidgets.QLineEdit(self.scrollAreaWidgetContents_2)
self.lineEdit_2.setGeometry(QtCore.QRect(120, 210, 113, 20))
self.lineEdit_2.setPlaceholderText("")
self.lineEdit_2.setObjectName("lineEdit_2")
self.scrollArea_2.setWidget(self.scrollAreaWidgetContents_2)
self.gridLayout.addWidget(self.scrollArea_2, 0, 0, 1, 1)
self.tabWidget.addTab(self.widget, "")
self.tab_2 = QtWidgets.QWidget()
self.tab_2.setObjectName("tab_2")
self.gridLayout_2 = QtWidgets.QGridLayout(self.tab_2)
self.gridLayout_2.setContentsMargins(0, 0, 0, 0)
self.gridLayout_2.setObjectName("gridLayout_2")
self.scrollArea = QtWidgets.QScrollArea(self.tab_2)
self.scrollArea.setWidgetResizable(True)
self.scrollArea.setObjectName("scrollArea")
self.scrollAreaWidgetContents = QtWidgets.QWidget()
self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 595, 554))
self.scrollAreaWidgetContents.setObjectName ("scrollAreaWidgetContents")
self.scrollArea.setWidget(self.scrollAreaWidgetContents)
self.gridLayout_2.addWidget(self.scrollArea, 0, 0, 1, 1)
self.tabWidget.addTab(self.tab_2, "")
self.gridLayout_3.addWidget(self.tabWidget, 0, 1, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 641, 21))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)

self.retranslateUi(MainWindow)
self.tabWidget.setCurrentIndex(0)
QtCore.QMetaObject.connectSlotsByName(MainWindow)

def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Automated System Inventory"))
self.pushButton.setText(_translate("MainWindow", "Edit"))
self.label_2.setText(_translate("MainWindow", "RC Small"))
self.label.setText(_translate("MainWindow", "Item Name"))
self.label_3.setText(_translate("MainWindow", "Number of Stocks"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.widget), _translate("MainWindow", "Stocks and Price"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), _translate("MainWindow", "Profit"))


class MyWindow(QtWidgets.QMainWindow, Ui_MainWindow): # ++++
def __init__(self):
super().__init__()
self.setupUi(self)

self.pushButton.clicked.connect(self.openWindow)

def openWindow(self):
self.window = QtWidgets.QMainWindow()
self.ui = Ui_editWindow()
self.ui.setupUi(self.window)
self.window.show()

self.ui.pushButton_2.clicked.connect(self.updateWindow)

def updateWindow(self):
self.lineEdit.setText(self.ui.lineEdit.text())
# or ???
self.lineEdit_2.setText(self.ui.lineEdit.text())


if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
# MainWindow = QtWidgets.QMainWindow()
# ui = Ui_MainWindow()
# ui.setupUi(MainWindow)
MainWindow = MyWindow()
MainWindow.show()
sys.exit(app.exec_())
<小时/>

editForm.py

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_editWindow(object):
def setupUi(self, editWindow):
editWindow.setObjectName("editWindow")
editWindow.setEnabled(True)
editWindow.resize(400, 350)
editWindow.setContextMenuPolicy(QtCore.Qt.DefaultContextMenu)
self.centralwidget = QtWidgets.QWidget(editWindow)
self.centralwidget.setObjectName("centralwidget")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(160, 20, 71, 31))
font = QtGui.QFont()
font.setPointSize(10)
font.setBold(True)
font.setWeight(75)
self.label.setFont(font)
self.label.setObjectName("label")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setGeometry(QtCore.QRect(300, 270, 75, 23))
self.pushButton.setObjectName("pushButton")
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QtCore.QRect(220, 270, 75, 23))
self.pushButton_2.setObjectName("pushButton_2")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(10, 60, 67, 13)) # (10, 60, 47, 13)
self.label_2.setObjectName("label_2")
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setGeometry(QtCore.QRect(90, 60, 113, 20)) # (70, 60, 113, 20))
self.lineEdit.setObjectName("lineEdit")
editWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(editWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 400, 21))
self.menubar.setObjectName("menubar")
editWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(editWindow)
self.statusbar.setObjectName("statusbar")
editWindow.setStatusBar(self.statusbar)

self.retranslateUi(editWindow)
self.lineEdit.textEdited['QString'].connect(self.label_2.setText)
self.pushButton.clicked.connect(self.label_2.clear)
self.pushButton.clicked.connect(self.lineEdit.clear) # +++

QtCore.QMetaObject.connectSlotsByName(editWindow)

def retranslateUi(self, editWindow):
_translate = QtCore.QCoreApplication.translate
editWindow.setWindowTitle(_translate("editWindow", "MainWindow"))
self.label.setText(_translate("editWindow", "EDIT FORM"))
self.pushButton.setText(_translate("editWindow", "Clear"))
self.pushButton_2.setText(_translate("editWindow", "Update"))
self.label_2.setText(_translate("editWindow", "Coke"))
self.lineEdit.setPlaceholderText(_translate("editWindow", "Item Name"))


if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
editWindow = QtWidgets.QMainWindow()
ui = Ui_editWindow()
ui.setupUi(editWindow)
editWindow.show()
sys.exit(app.exec_())

enter image description here

关于python - PyQt - 如何将标签从编辑窗口链接和更新到我的主窗口,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55086217/

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