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如何在 extjs 中刷新 TreePanel 的内容并保存节点的状态(展开/折叠)。当我做
fileList.root.reload();
所有展开的节点都将折叠。我怎样才能避免这种情况?
谢谢。
通过手动将树状态保存在数组中来解决。