pyqt4:从 QListWidget 中删除项目的不太迂回的方法?

问题描述

我想删除一个我知道名字的项目.我想出了:

I want to remove an item whose name I know. I came up with:

item = lw.findItems(name, QtCore.Qt.MatchExactly)[0]
lw.takeItem(lw.indexFromItem(item).row())

有没有更直接的方法来做到这一点?更接近 lw.removeItem(name) 的东西?

Is there any more direct way of doing this? Something closer to lw.removeItem(name)?

推荐答案

对于具有相同文本的多个条目，这会造成一些歧义.我会更倾向于像

This leaves a bit of ambiguity for multiple entries with the same text. I would lean more toward something like

[ lw.takeItem( i ) for i in range( lw.count ) if lw.item( i ).text() == name ]

这将从列表中删除所有匹配名称的项目.如果您只想删除第一个实例，则需要将其扩展为在第一次匹配时中断的完整 for 循环.

This will remove all items matching name from the list. If you only want to remove the first instance, you need to expand this into a full for-loop that breaks at the first match.

祝你好运！

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