Python/pyqt5/CODE/qt04x範例程式/qt04_textEdit.py

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# -*- coding: utf-8 -*-
'''
簡介
PyQt5中 QTextEdit範例
'''
from PyQt5.QtWidgets import QApplication, QWidget , QTextEdit, QVBoxLayout , QPushButton
import sys
class TextEditDemo(QWidget):
def __init__(self, parent=None):
super(TextEditDemo, self).__init__(parent)
self.setWindowTitle("QTextEdit 範例")
self.resize(300, 270)
self.textEdit = QTextEdit( )
self.btnPress1 = QPushButton("顯示文字")
self.btnPress2 = QPushButton("顯示HTML")
layout = QVBoxLayout()
layout.addWidget(self.textEdit)
layout.addWidget(self.btnPress1)
layout.addWidget(self.btnPress2)
self.setLayout(layout)
self.btnPress1.clicked.connect(self.btnPress1_Clicked)
self.btnPress2.clicked.connect(self.btnPress2_Clicked)
def btnPress1_Clicked(self):
self.textEdit.setPlainText("Hello PyQt5!\n點擊按鈕")
def btnPress2_Clicked(self):
self.textEdit.setHtml("<font color='red' size='6'><red>Hello PyQt5!\n點擊按鈕。</font>")
if __name__ == "__main__":
app = QApplication(sys.argv)
win = TextEditDemo()
win.show()
sys.exit(app.exec_())