这里是一个测试脚本，它比较了几种填充表格的方法。
自定义模型要快得多，因为它不必先创建所有项-
但请注意，这是一个非常基本的实现，因此不会实现排序，编辑等。（有关更多详细信息，请参见“模型/视图编程”）。 。
from random import shufflefrom PyQt4 import QtCore, QtGuiclass TableModel(QtCore.QAbstractTableModel): def __init__(self, data, parent=None): super(TableModel, self).__init__(parent) self._data = data def rowCount(self, parent=None): return len(self._data) def columnCount(self, parent=None): return len(self._data[0]) if self.rowCount() else 0 def data(self, index, role=QtCore.Qt.DisplayRole): if role == QtCore.Qt.DisplayRole: row = index.row() if 0 <= row < self.rowCount(): column = index.column() if 0 <= column < self.columnCount(): return self._data[row][column]class Window(QtGui.QWidget): def __init__(self): super(Window, self).__init__() self.table = QtGui.QTableView(self) self.tablewidget = QtGui.QTableWidget(self) self.tablewidget.setSortingEnabled(True) self.button1 = QtGui.QPushButton('Custom Model', self) self.button1.clicked.connect( lambda: self.populateTable('custom')) self.button2 = QtGui.QPushButton('StandardItem Model', self) self.button2.clicked.connect( lambda: self.populateTable('standard')) self.button3 = QtGui.QPushButton('TableWidget', self) self.button3.clicked.connect( lambda: self.populateTable('widget')) self.spinbox = QtGui.QSpinBox(self) self.spinbox.setRange(15000, 1000000) self.spinbox.setSingleStep(10000) layout = QtGui.QGridLayout(self) layout.addWidget(self.table, 0, 0, 1, 4) layout.addWidget(self.tablewidget, 1, 0, 1, 4) layout.addWidget(self.button1, 2, 0) layout.addWidget(self.button2, 2, 1) layout.addWidget(self.button3, 2, 2) layout.addWidget(self.spinbox, 2, 3) self._data = [] def populateTable(self, mode): if mode == 'widget': self.tablewidget.clear() self.tablewidget.setRowCount(self.spinbox.value()) self.tablewidget.setColumnCount(20) else: model = self.table.model() if model is not None: self.table.setModel(None) model.deleteLater() if len(self._data) != self.spinbox.value(): del self._data[:] rows = list(range(self.spinbox.value())) shuffle(rows) for row in rows: items = [] for column in range(20): items.append('(%d, %d)' % (row, column)) self._data.append(items) timer = QtCore.QElapsedTimer() timer.start() if mode == 'widget': self.tablewidget.setSortingEnabled(False) for row, items in enumerate(self._data): for column, text in enumerate(items): item = QtGui.QTableWidgetItem(text) self.tablewidget.setItem(row, column, item) self.tablewidget.sortByColumn(0, QtCore.Qt.AscendingOrder) else: self.table.setSortingEnabled(False) if mode == 'custom': model = TableModel(self._data, self.table) elif mode == 'standard': model = QtGui.QStandardItemModel(self.table) for row in self._data: items = [] for column in row: items.append(QtGui.QStandardItem(column)) model.appendRow(items) self.table.setModel(model) self.table.setSortingEnabled(True) self.table.sortByColumn(0, QtCore.Qt.AscendingOrder) print('%s: %.3g seconds' % (mode, timer.elapsed() / 1000))if __name__ == '__main__': import sys app = QtGui.QApplication(sys.argv) window = Window() window.setGeometry(600, 50, 1200, 800) window.show() sys.exit(app.exec_())
