pyqt在滚动区域中展开网格

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QScrollArea, QVBoxLayout, QGridLayout, QLabel

class ScrollableGrid(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        # 创建滚动区域
        scroll_area = QScrollArea(self)
        scroll_area.setWidgetResizable(True)

        # 创建网格布局
        grid_layout = QGridLayout()

        # 添加网格中的内容
        for i in range(10):
            for j in range(10):
                label = QLabel(f"({i}, {j})")
                grid_layout.addWidget(label, i, j)

        # 创建一个容器widget，并将网格布局设置为其布局
        content_widget = QWidget()
        content_widget.setLayout(grid_layout)

        # 将容器widget设置为滚动区域的widget
        scroll_area.setWidget(content_widget)

        # 创建垂直布局，并将滚动区域添加到其中
        layout = QVBoxLayout()
        layout.addWidget(scroll_area)

        self.setLayout(layout)
        self.setWindowTitle('Scrollable Grid')
        self.setGeometry(100, 100, 400, 300)
        self.show()

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = ScrollableGrid()
    sys.exit(app.exec_())