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代码说明：

说明：  ·用JAVA实现的对动态树状信息的管理。操作员可以通过IE浏览器查看整个树形结构信息，并通过浏览器（比如IE）对树进行操作。(using JAVA the right tree dynamic information management. Operator through IE browser to look at the whole tree structure information, and through the browser (such as IE) for the tree to operate. )