python 按钮点击关闭窗口的实现
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2021-01-20
01:51:44
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python 按钮点击关闭窗口的实现按钮点击关闭窗口的实现
1、简介、简介
1）使用 python 创建主窗口
2）设置标题栏图标，文字
3）设置状态栏图标文字
4）将窗口移动到屏幕中间
2、功能实现、功能实现
1） QtDesign 实现
就是 先画 ui 然后转python
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'untitled.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(800, 600) # 设置窗口大小
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.verticalLayoutWidget = QtWidgets.QWidget(self.centralwidget)
self.verticalLayoutWidget.setGeometry(QtCore.QRect(20, 20, 100, 60)) #设置 按钮位置大小
self.verticalLayoutWidget.setObjectName("verticalLayoutWidget")
self.verticalLayout = QtWidgets.QVBoxLayout(self.verticalLayoutWidget)
self.verticalLayout.setContentsMargins(0, 0, 0, 0)
self.verticalLayout.setObjectName("verticalLayout")
self.pushButton = QtWidgets.QPushButton(self.verticalLayoutWidget)
self.pushButton.setObjectName("pushButton")
self.pushButton.clicked.connect(self.onButtonClick) #绑定按键点击事件
self.verticalLayout.addWidget(self.pushButton)
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", "关闭窗口")) # 设置按钮文字
def onButtonClick(self):
# sender 是发送信号的对象，此处发送信号的对象是button1按钮
sender = self.sender()
print(sender.text() + ' 被按下了')
qApp = QApplication.instance()
qApp.quit() # 关闭窗口
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
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