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在文本框中輸入回車時，可以將文本框中的文字設(shè)置到標(biāo)簽中去。

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from PyQt6 import QtCore, QtGui

from PyQt6.QtWidgets import *

from PyQt6.QtGui import QPalette,QFont, QColor

from PyQt6.QtCore import Qt

import sys

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class PyQt607(QWidget):

??? def __init__(self):

??????? super().__init__()

??????? self.initUI()

??? def initUI(self):

??????? self.setWindowTitle('氣輕PyQt6')??????????????? # 設(shè)置窗口標(biāo)題

??????? self.resize(700, 300)???????? ??????????????????# 設(shè)置窗口大小

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??????? self.edit = QLineEdit(self)???????????????????? # 輸入框

??????? self.edit.setGeometry(10, 0,240, 40)??????????? # 設(shè)置位置和大小

??????? self.edit.setText('edit')

??????? self.edit.setFont(QFont('Arial',20))

??????? self.edit.returnPressed.connect(self.updateLabel)

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??????? self.tag = QLabel(self)???????????????????????? # 設(shè)置label信息

??????? self.tag.setGeometry(290, 0,120, 40)??????????? # 設(shè)置位置和大小

??????? self.tag.setText('標(biāo)簽')

??????? self.tag.setToolTip('標(biāo)簽提示')???? ????????????# 設(shè)置標(biāo)簽提示

??????? self.tag.setAlignment(Qt.AlignmentFlag.AlignHCenter)# 居中設(shè)置

??????? self.tag.setStyleSheet('background-color:yellow;color : #6495ED; \

??????????? font: bold italic large /"Times New Roman/"; font-size:25px')

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??????? self.show()

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??? def updateLabel(self):

??????? edittext = self.edit.text()

??????? self.tag.setText(edittext)

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if __name__ == '__main__':

??? app = QApplication(sys.argv)

??? window = PyQt607()

??? sys.exit(app.exec())

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