python pyqt5 QTextEdit 多行文本框

Posted 2023-03-21

参考技术A

setPlainText()
toPlainText()
setHtml()
toHtml()
clear()

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【简介】
PyQt5中 QTextEdit例子

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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 例子")
self.resize(300, 270)
self.textEdit = QTextEdit()
self.btnPress1 = QPushButton("显示文本")
self.btnPress2 = QPushButton("显示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)

if name == " main ":
app = QApplication(sys.argv)
win = TextEditDemo()
win.show()
sys.exit(app.exec_())