Python 視窗軟體開發(PyQt5 與 tkinter)

pip install PyQt5        #依了解此兩項僅為Python連接qt designer用
pip install pyqt5-tools  # 

import sys, os
from PyQt5.QtWidgets import QApplication, QMainWindow, QFileDialog
from PyQt5 import uic

form_class = uic.loadUiType("notepad.ui")[0]  
# 載入PyQt Designer設計好的畫面()此處為 notepad.ui

class MainWindow(QMainWindow, form_class):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.setupUi(self)
        self.status = self.statusBar()
        self.status.showMessage("狀態: 等待使用者") # 設定狀態訊息
    def saveFile(self, MainWindow):
        pass
        text=self.textEdit.toPlainText()
        print(text)
        options = QFileDialog.Options()
        path, _ = QFileDialog.getSaveFileName(self, "Save file", "", "Text documents (*.txt);;All files (*.*)")
        print(path)

        with open(path,'w', encoding='utf-8') as f:  #with:在此情境下處理資料
            f.write(text)

    def openFile(self):
        path, _ = QFileDialog.getOpenFileName(self, "Open file", "", "Text documents (*.txt);;All files (*.*)")
        with open(path, 'r', encoding='utf-8') as f:
            text = f.read()
            
        self.textEdit.setPlainText(text)
    def newFile(self):
        self.textEdit.setPlainText('')

if __name__ == "__main__":
    app = QApplication(sys.argv)
    Win = MainWindow()
    Win.show()
    sys.exit(app.exec_())

# S20200710 上課範例 製作notepad