IT俱乐部 Python PyQT5之使用QT Designer创建基本窗口方式

PyQT5之使用QT Designer创建基本窗口方式

环境配置

  • pip install pyqt5 (安装pyQT5库):pyuic5包含在内
  • pip install pyqt5-tools (安装QT-Designer)

使用QT Designer布局窗体

UI文件的编译

将.UI文件编译为.PY文件(CMD命令行中):

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pyuic5 xxx.ui -o xxx.py 
  
#不可以存在中文!

打开编译后的.py文件,新建SLOT()函数并修改连接函数:

在末尾添加运行代码:

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

编译后的.PY源码

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# -*- coding: utf-8 -*-
  
# Form implementation generated from reading ui file 'C:UsersGeclipseDesktopuntitled.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!
  
from PyQt5 import QtCore, QtGui, QtWidgets
  
class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(800, 600)
        MainWindow.setMouseTracking(False)
        MainWindow.setWindowOpacity(1.0)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(300, 0, 161, 71))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setItalic(False)
        font.setUnderline(False)
        font.setWeight(75)
        font.setStrikeOut(False)
        self.label.setFont(font)
        self.label.setObjectName("label")
        self.textEdit = QtWidgets.QTextEdit(self.centralwidget)
        self.textEdit.setGeometry(QtCore.QRect(20, 220, 751, 321))
        self.textEdit.setObjectName("textEdit")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(300, 90, 141, 61))
        font = QtGui.QFont()
        font.setPointSize(12)
        font.setBold(True)
        font.setWeight(75)
        self.pushButton.setFont(font)
        self.pushButton.setObjectName("pushButton")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))
        self.menubar.setObjectName("menubar")
        self.menu_1 = QtWidgets.QMenu(self.menubar)
        self.menu_1.setObjectName("menu_1")
        self.menu_2 = QtWidgets.QMenu(self.menubar)
        self.menu_2.setObjectName("menu_2")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)
        self.actionFunction1 = QtWidgets.QAction(MainWindow)
        self.actionFunction1.setObjectName("actionFunction1")
        self.actionFunction2 = QtWidgets.QAction(MainWindow)
        self.actionFunction2.setObjectName("actionFunction2")
        self.actionExit = QtWidgets.QAction(MainWindow)
        self.actionExit.setObjectName("actionExit")
        self.actionExit_2 = QtWidgets.QAction(MainWindow)
        self.actionExit_2.setObjectName("actionExit_2")
        self.menu_1.addAction(self.actionFunction1)
        self.menu_1.addAction(self.actionFunction2)
        self.menu_1.addSeparator()
        self.menu_1.addAction(self.actionExit_2)
        self.menubar.addAction(self.menu_1.menuAction())
        self.menubar.addAction(self.menu_2.menuAction())
        self.textEdit.setText("pyuic untitled.ui -o untitled.py")
  
        self.retranslateUi(MainWindow)
        self.pushButton.clicked.connect(self.add_hello_qt)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)
         
    def add_hello_qt(self):
        self.textEdit.setText("Hello QT!")
  
#★★★ def retranslateUi(eslf,MainWindow)
#translate翻译
#retranslate重译(对界面中控件所进行的其他调整:如设置标题会出现在这里)
    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "This is a simple title"))
        self.label.setText(_translate("MainWindow", "Simple Widget"))
        self.pushButton.setStatusTip(_translate("MainWindow", "click this will add ‘hello QT' in below area"))
        self.pushButton.setText(_translate("MainWindow", "Hello QT"))
        self.menu_1.setTitle(_translate("MainWindow", "菜单栏1"))
        self.menu_2.setTitle(_translate("MainWindow", "菜单栏2"))
        self.actionFunction1.setText(_translate("MainWindow", "Function1"))
        self.actionFunction2.setText(_translate("MainWindow", "Function2"))
        self.actionExit.setText(_translate("MainWindow", "Exit"))
        self.actionExit_2.setText(_translate("MainWindow", "Exit"))
  
  
  
#下面的这些部分需要手动打开py文件进行添加
if __name__ == "__main__":   
    import sys   
    app = QtWidgets.QApplication(sys.argv)   
    MainWindow = QtWidgets.QMainWindow()   
    ui = Ui_MainWindow()   
    ui.setupUi(MainWindow)   
    MainWindow.show()   
    sys.exit(app.exec_())

运行结果

总结

以上为个人经验,希望能给大家一个参考,也希望大家多多支持IT俱乐部。

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