mainwindow.py class mainwindow(qwidget): def __init__(self): super(mainwindow, self).__init__() self.setup_ui() def setup_ui(self): self.setwindowtitle("图书列表") self.resize(800, 600) # 创建表格控件 self.table_widget = qtwidgets.qtablewidget(self) self.table_widget.setgeometry(qtcore.qrect(0, 100, 800, 500)) # 设置列数和表头