from PyQt5.QtWidgets import QApplication, QWidget, QLabel
from PyQt5.QtGui import QPalette, QLinearGradient, QColor
from PyQt5.QtCore import Qt, QPropertyAnimation

class GradientLabel(QLabel):
    def __init__(self, text):
        super().__init__(text)

        self.setFixedSize(200, 100)
        self.setAlignment(Qt.AlignCenter)

        # 创建渐变对象
        gradient = QLinearGradient(0, 0, self.width(), self.height())
        gradient.setColorAt(0, QColor(255, 87, 51))
        gradient.setColorAt(1, QColor(255, 198, 51))

        # 创建调色板对象
        palette = self.palette()
        palette.setBrush(QPalette.Window, gradient)

        # 设置调色板
        self.setAutoFillBackground(True)
        self.setPalette(palette)

class MainWindow(QWidget):
    def __init__(self):
        super().__init__()

        self.setWindowTitle("Gradient Label Demo")
        self.setGeometry(100, 100, 300, 200)

        label = GradientLabel("Hello PyQt")
        label.move(50, 50)

        self.show()

if __name__ == "__main__":
    app = QApplication([])
    window = MainWindow()
    app.exec()