>>> pip install pyside2 QT Designer

>>> pip show pyside2 Location: c:usersAdministratorappdataroamingpythonpython39site-packages 文件位置C:UsersAdministratorAppDataRoamingPythonPython39site-packagesPySide2designer.exeUnable to lanch C: 

PySide2目錄下復(fù)制uic.exe到新建的bin文件夾

C:...PythonPython39site-packagesPySide2binuic.exe

Ⅰ. Init 

from PySide2.QtWidgets import * class Window: def __init__(self):self.win = QMainWindow() if __name__ == ’__main__’: app = QApplication([]) w = Window() w.win.show() app.exec_()

from PySide2.QtWidgets import * if __name__ == ’__main__’: app = QApplication([]) win = QMainWindow() win.show() app.exec_()

Ⅱ Example

from PySide2.QtWidgets import * class Window: def __init__(self):self.win = QMainWindow()self.win.resize(500, 400)self.win.move(700, 210)self.win.setWindowTitle('測試窗口') self.textEdit = QTextEdit(self.win)self.textEdit.move(50, 50)self.textEdit.resize(200, 300)self.textEdit.setPlaceholderText('請輸入文本') self.button = QPushButton('button', self.win)self.button.move(300, 100)self.button.clicked.connect(self.btnClick) def btnClick(self):info = self.textEdit.toPlainText() # 獲取文本信息print(info)# print('button被點(diǎn)擊') if __name__ == ’__main__’: app = QApplication([]) # win = QMainWindow() # win.show() w = Window() w.win.show() app.exec_()

QT Designer

1.自動(dòng)生成代碼

...from PySide2.QtCore import QFilefrom PySide2.QtUiTools import QUiLoader ... if __name__ == '__main__': app = QApplication([]) win = QMainWindow() w = Ui_Form() w.setupUi(win) win.show() app.exec_()

2.動(dòng)態(tài)加載ui文件

from PySide2.QtWidgets import *from PySide2.QtCore import QFilefrom PySide2.QtUiTools import QUiLoader class Window: def __init__(self):super(Window, self).__init__() # 從文件中加載UI定義qfile = QFile('demo1.ui')qfile.open(QFile.ReadOnly)qfile.close() # 從UI定義中動(dòng)態(tài)創(chuàng)建一個(gè)相應(yīng)的窗口對象, 將其內(nèi)部文件定義為self.ui.buttonself.ui = QUiLoader().load(qfile) self.ui.button.clicked.connect(self.btnClick)# self.button.clicked.connect(self.btnClick) def btnClick(self):info = self.ui.textEdit.toPlainText() # 獲取文本信息# info = self.textEdit.toPlainText()print(info) if __name__ == ’__main__’: app = QApplication([]) w = Window() w.ui.show() # w.win.show() app.exec_()

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