[TOC] ## 概述 对视图的 Item 进行排序 ## 示例 ``` QTreeView *treeView = new QTreeView; MyItemModel *sourceModel = new MyItemModel(this); QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this); proxyModel->setSourceModel(sourceModel); treeView->setModel(proxyModel); ```