Tree如何固定高度，宽度，并出现滚动条

[lf78204490]

Tree节点过多时，如何让高度固定，出现滚动条呢？

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[zwygithub]

呵呵，回答呢，感觉像是回答不了关的呢

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This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.