pyqt5 实现 下拉菜单 + 打开文件的示例代码

yipeiwu_com6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_())
 

以上这篇pyqt5 实现 下拉菜单 + 打开文件的示例代码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【听图阁-专注于Python设计】。

相关文章

详解用Python为直方图绘制拟合曲线的两种方法

详解用Python为直方图绘制拟合曲线的两种方法

直方图是用于展示数据的分组分布状态的一种图形,用矩形的宽度和高度表示频数分布,通过直方图,用户可以很直观的看出数据分布的形状、中心位置以及数据的离散程度等。 在python中一般采用m...

python执行get提交的方法

本文实例讲述了python执行get提交的方法。分享给大家供大家参考。具体如下: import sys, urllib2, urllib def addGETdata(url, da...

PyTorch的SoftMax交叉熵损失和梯度用法

在PyTorch中可以方便的验证SoftMax交叉熵损失和对输入梯度的计算 关于softmax_cross_entropy求导的过程,可以参考HERE 示例: # -*- codin...

用Python写的图片蜘蛛人代码

复制代码 代码如下:#coding=utf-8 import os import sys import re import urllib URL_REG = re.compile(r'(...

python是否适合网页编程详解

Python是一种计算机程序设计语言。是一种面向对象的动态类型语言,最初被设计用于编写自动化脚本(shell),随着版本的不断更新和语言新功能的添加,越来越多被用于独立的、大型项目的开发...