如何清除 pyqt QTableWidget? [英] how can I clear a pyqt QTableWidget?

问题描述

我想清除我的 QTableWidget.

I want to clear my QTableWidget.

首先，我在 qcombobox 中选择一个用户，然后单击 qpushbutton 并从数据库记录中填充它；当我选择其他用户并单击 qpushbutton 添加我尝试清除的数据时:

First of all I select a user in a qcombobox after that I click a qpushbutton and I populate it from database records; when I select other user and I click the qpushbutton to add data I try to clear with:

self.tableFriends.clear()

数据消失，但行仍然存在.

The data disappears but the rows remain.

我填充的代码是:

def getFriends(self):
    id_us = self.cbUser.itemData(self.cbUser.currentIndex()).toPyObject()
    rowIndex = 0
    self.tableFriends.clear()
    for row in self.SELECT_FRIENDS(id_us):
        self.tableFriends.insertRow(rowIndex)
        for column in range(0,3):
            newItem = QtGui.QTableWidgetItem(str(row[column]).decode('utf-8'))
            self.tableFriends.setItem(rowIndex,column,newItem)
        rowIndex = rowIndex + 1

推荐答案

您需要单独删除行，例如:

You need to remove the rows individually, e.g:

while (self.tableFriends.rowCount() > 0)
{
    self.tableFriends.removeRow(0);
}

你也可以试试:

tableFriends.setRowCount(0);

但这可能行不通，我已经有一段时间没有使用 Qt 了.

But that may not work, it's been a while since I've used Qt.

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