01-QTextEdit-创建.py

import sys

from PyQt5.Qt import *


class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("QTextEdit的创建")
        self.resize(500, 500)
        self.move(400, 250)
        self.setup_ui()

    def setup_ui(self):
        te = QTextEdit("QTextEdit中的文字", self)
        te.move(50, 50)
        te.resize(300, 300)
        te.setStyleSheet("background-color: cyan;")


if __name__ == "__main__":
    app = QApplication(sys.argv)

    window = Window()
    window.show()

    sys.exit(app.exec_())