水平部局

实例

import sys
from PyQt5.QtWidgets import QPushButton, QVBoxLayout, QWidget, QApplication, QMainWindow, QTableWidget, QHeaderView, \
    QGroupBox


class QVBoxLayoutDemo(QMainWindow):
    def __init__(self):
        super(QVBoxLayoutDemo, self).__init__()

        #设置窗口大小
        self.resize(400, 150)
        #设置窗口标题
        self.setWindowTitle("QVBoxLayoutDemo")

        button1 = QPushButton("按钮一")
        button2 = QPushButton("按钮二")
        button3 = QPushButton("按钮三")

        #创建水平布局
        layout = QVBoxLayout()
        self.table = QTableWidget(3, 5)  # 3 行 5 列的表格
        self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)  # 自适应宽度
        self.groupbox=QGroupBox()
        self.groupbox.setFixedHeight(100)
        button1.setParent(self.groupbox)
        layout.addWidget(self.groupbox)
        layout.addWidget(self.table)
        layout.addWidget(button2)
        layout.addWidget(button3)

        mainFrame = QWidget()
        mainFrame.setLayout(layout)
        self.setCentralWidget(mainFrame)
        self.table = QTableWidget(3, 5)  # 3 行 5 列的表格
        self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)  # 自适应宽度

if  __name__ == '__main__':
    app = QApplication(sys.argv)
    main = QVBoxLayoutDemo()
    main.show()
    sys.exit(app.exec_())