import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel
class MyWindow(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()
    def initUI(self):
        self.setGeometry(300, 300, 300, 200)
        self.setWindowTitle('QLabel 示例')
        # 創(chuàng)建一個標簽
        label = QLabel('這是一個標簽', self)
        label.move(100, 80)
        self.show()
if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MyWindow()
    sys.exit(app.exec_())

from PyQt5.QtGui import QPixmap
class MyWindow(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()
    def initUI(self):
        self.setGeometry(300, 300, 300, 200)
        self.setWindowTitle('QLabel 顯示圖像示例')
        # 創(chuàng)建一個標簽并顯示圖像
        label = QLabel(self)
        pixmap = QPixmap('path/to/image.png')
        label.setPixmap(pixmap)
        label.resize(pixmap.width(), pixmap.height())
        self.show()
if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MyWindow()
    sys.exit(app.exec_())

label.setText('<h1>這是一個標題</h1><p>這是一段段落文本。</p>')

label.setAlignment(Qt.AlignCenter)  # 居中對齊
label.setAlignment(Qt.AlignLeft)   # 左對齊
label.setAlignment(Qt.AlignRight)  # 右對齊

label.setWordWrap(True)  # 開啟自動換行

label.setStyleSheet("""
    QLabel {
        color: #333;
        font-size: 16px;
    }
""")