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pyqt5 实现 下拉菜单 + 打开文件的示例代码

yipeiwu_com7年前Python基础

如下所示：

# -*- coding: utf-8 -*-
import sys
import os
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5 import QtCore, QtGui, QtWidgets
 
from PyQt5.QtCore import QRect, QSize, QMetaObject, QCoreApplication,\
  QPropertyAnimation
from PyQt5.QtGui import QFont
from PyQt5.QtWidgets import QFileDialog
from PyQt5.QtWidgets import QWidget, QHBoxLayout, QGridLayout, QPushButton,\
  QApplication, QMainWindow
 
class Ui_MainWindow(object):
  def setupUi(self, MainWindow):
    MainWindow.setObjectName("MainWindow")
    MainWindow.resize(800, 681)
    MainWindow.setMinimumSize(QtCore.QSize(0, 651))
    MainWindow.setStyleSheet("background-image: url(:/新前缀/backpic.png);")
    self.centralwidget = QtWidgets.QWidget(MainWindow)
    self.centralwidget.setObjectName("centralwidget")
    self.widget = QtWidgets.QWidget(self.centralwidget)
    self.widget.setGeometry(QtCore.QRect(0, -580, 195, 631))
    self.widget.setObjectName("widget")
    self.scrollArea = QtWidgets.QScrollArea(self.widget)
    self.scrollArea.setGeometry(QtCore.QRect(0, 0, 195, 581))
    self.scrollArea.setWidgetResizable(True)
    self.scrollArea.setObjectName("scrollArea")
    self.scrollAreaWidgetContents = QtWidgets.QWidget()
    self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 178, 681))
    self.scrollAreaWidgetContents.setMinimumSize(QtCore.QSize(177, 681))
    self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents")
    self.verticalLayoutWidget = QtWidgets.QWidget(self.scrollAreaWidgetContents)
    self.verticalLayoutWidget.setGeometry(QtCore.QRect(0, -10, 181, 691))
    self.verticalLayoutWidget.setObjectName("verticalLayoutWidget")
    self.verticalLayout = QtWidgets.QVBoxLayout(self.verticalLayoutWidget)
    self.verticalLayout.setContentsMargins(0, 0, 0, 0)
    self.verticalLayout.setSpacing(20)
    self.verticalLayout.setObjectName("verticalLayout")
    self.pushButton_2 = QtWidgets.QPushButton(self.verticalLayoutWidget)
    self.pushButton_2.setObjectName("pushButton_2")
    self.verticalLayout.addWidget(self.pushButton_2)
    self.label_2 = QtWidgets.QLabel(self.verticalLayoutWidget)
    self.label_2.setObjectName("label_2")
    self.verticalLayout.addWidget(self.label_2)
    self.pushButton_4 = QtWidgets.QPushButton(self.verticalLayoutWidget)
    self.pushButton_4.setObjectName("pushButton_4")
    self.verticalLayout.addWidget(self.pushButton_4)
    self.label_3 = QtWidgets.QLabel(self.verticalLayoutWidget)
    self.label_3.setObjectName("label_3")
    self.verticalLayout.addWidget(self.label_3)
    self.pushButton_7 = QtWidgets.QPushButton(self.verticalLayoutWidget)
    self.pushButton_7.setObjectName("pushButton_7")
    self.verticalLayout.addWidget(self.pushButton_7)
    self.label_4 = QtWidgets.QLabel(self.verticalLayoutWidget)
    self.label_4.setObjectName("label_4")
    self.verticalLayout.addWidget(self.label_4)
    self.pushButton_6 = QtWidgets.QPushButton(self.verticalLayoutWidget)
    self.pushButton_6.setObjectName("pushButton_6")
    self.verticalLayout.addWidget(self.pushButton_6)
    self.label_5 = QtWidgets.QLabel(self.verticalLayoutWidget)
    self.label_5.setObjectName("label_5")
    self.verticalLayout.addWidget(self.label_5)
    self.pushButton_5 = QtWidgets.QPushButton(self.verticalLayoutWidget)
    self.pushButton_5.setObjectName("pushButton_5")
    self.verticalLayout.addWidget(self.pushButton_5)
    self.label_6 = QtWidgets.QLabel(self.verticalLayoutWidget)
    self.label_6.setObjectName("label_6")
    self.verticalLayout.addWidget(self.label_6)
    self.pushButton = QtWidgets.QPushButton(self.verticalLayoutWidget)
    self.pushButton.setObjectName("pushButton")
    self.verticalLayout.addWidget(self.pushButton)
    self.label_7 = QtWidgets.QLabel(self.verticalLayoutWidget)
    self.label_7.setObjectName("label_7")
    self.verticalLayout.addWidget(self.label_7)
    self.scrollArea.setWidget(self.scrollAreaWidgetContents)
    self.closeButton = QtWidgets.QPushButton(self.widget)
    self.closeButton.setGeometry(QtCore.QRect(50, 580, 61, 32))
    self.closeButton.setStyleSheet("border-image: url(:/新前缀/v.png);")
    self.closeButton.setText("")
    self.closeButton.setObjectName("closeButton")
    self.openButton = QtWidgets.QPushButton(self.centralwidget)
    self.openButton.setGeometry(QtCore.QRect(50, 0, 61, 32))
    self.openButton.setStyleSheet("border-image: url(:/新前缀/xia.png);")
    self.openButton.setText("")
    self.openButton.setObjectName("openButton")
    self.graphicsView = QtWidgets.QGraphicsView(self.centralwidget)
    self.graphicsView.setGeometry(QtCore.QRect(0, 0, 801, 641))
    self.graphicsView.setObjectName("graphicsView")
    self.widget.raise_()
    self.graphicsView.raise_()
    self.openButton.raise_()
    MainWindow.setCentralWidget(self.centralwidget)
    self.menubar = QtWidgets.QMenuBar(MainWindow)
    self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 22))
    self.menubar.setObjectName("menubar")
    self.menu = QtWidgets.QMenu(self.menubar)
    self.menu.setObjectName("menu")
    MainWindow.setMenuBar(self.menubar)
    self.statusbar = QtWidgets.QStatusBar(MainWindow)
    self.statusbar.setObjectName("statusbar")
    MainWindow.setStatusBar(self.statusbar)
    self.action = QtWidgets.QAction(MainWindow)
    self.action.setObjectName("action")
    self.action_2 = QtWidgets.QAction(MainWindow)
    self.action_2.setObjectName("action_2")
    self.action_3 = QtWidgets.QAction(MainWindow)
    self.action_3.setObjectName("action_3")
    self.menu.addAction(self.action)
    self.menu.addAction(self.action_2)
    self.menu.addAction(self.action_3)
    self.menubar.addAction(self.menu.menuAction())
 
    self.retranslateUi(MainWindow)
    QtCore.QMetaObject.connectSlotsByName(MainWindow)
 
  def retranslateUi(self, MainWindow):
    _translate = QtCore.QCoreApplication.translate
    MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
    self.pushButton_2.setText(_translate("MainWindow", "PushButton"))
    self.label_2.setText(_translate("MainWindow", "TextLabel"))
    self.pushButton_4.setText(_translate("MainWindow", "PushButton"))
    self.label_3.setText(_translate("MainWindow", "TextLabel"))
    self.pushButton_7.setText(_translate("MainWindow", "PushButton"))
    self.label_4.setText(_translate("MainWindow", "TextLabel"))
    self.pushButton_6.setText(_translate("MainWindow", "PushButton"))
    self.label_5.setText(_translate("MainWindow", "TextLabel"))
    self.pushButton_5.setText(_translate("MainWindow", "PushButton"))
    self.label_6.setText(_translate("MainWindow", "TextLabel"))
    self.pushButton.setText(_translate("MainWindow", "PushButton"))
    self.label_7.setText(_translate("MainWindow", "TextLabel"))
    self.menu.setTitle(_translate("MainWindow", "人脑架构分析"))
 
    self.action.setText(_translate("MainWindow", "导入矩阵"))
    self.action_2.setText(_translate("MainWindow", "退出系统"))
    self.action_3.setText(_translate("MainWindow", "开发者信息"))
 
 
class Window(QMainWindow, Ui_MainWindow):
  def __init__(self, *args, **kwargs):
    super(Window, self).__init__(*args, **kwargs)
 
 
    self.setupUi(self)
    self.outani = QPropertyAnimation(self.widget, b"geometry") # 背后隐藏的控件
    self.outani.setDuration(1000) # 1s
    self.outani.setEndValue(QRect(0, 30, 178, 681)) # 只是x坐标变化
 
    # 移进去动画
    self.inani = QPropertyAnimation(self.widget, b"geometry") # 背后隐藏的控件
    self.inani.setDuration(1000) # 1s
    self.inani.setEndValue(QRect(0, -580, 178, 681))
    self.inani.finished.connect(self.onFinish)
 
    # 绑定打开关闭事件
    self.openButton.clicked.connect(self.onOpen)
    self.closeButton.clicked.connect(self.onClose)
 
    #打开文件
    self.action.triggered.connect(self.openFile)
    self.action.setStatusTip('导入矩阵')
    self.action.setShortcut('Ctrl+Q')
 
    #退出系统
    self.action_2.triggered.connect(self.close)
    self.action_2.setStatusTip('退出系统')
    self.action_2.setShortcut('Ctrl+E')
 
    #开发者信息
    self.action_3.setStatusTip('唐伟泽 谢家柯 2016.12.3')
 
  def onOpen(self):
    # 设置按钮不可见
    self.openButton.setVisible(False)
    self.widget.setVisible(True) # 背后的待拉出来的控件可见
    self.graphicsView.setGeometry(QtCore.QRect(195, 1, 611, 641))
    self.outani.start() # 开启动画效果
 
  def onClose(self):
    self.outani.stop() # 如果移动到一半则停止
    self.inani.start() # 退回去
 
  def onFinish(self): # 关闭动画结束
    self.widget.setVisible(False)
    self.openButton.setVisible(True)
    self.graphicsView.setGeometry(QtCore.QRect(0, 0, 801, 641))
 
  def openFile(self):
    fileName1, filetype = QFileDialog.getOpenFileName(self,"选取文件","/Users/Kelisiya/Desktop","All Files (*);;Text Files (*.txt)")
    print(fileName1, filetype)
 
 
 
if __name__ == "__main__":
  import sys
  app = QApplication(sys.argv)
  w = Window()
  w.show()
  sys.exit(app.exec_())

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