目录常用树形结构设计总结1. 递归表2.路径枚举3.数据与关系分开存mysql树形结构（多级菜单）查询设计方案三级查询（层级固定，层级数少）多级查询（层级不固定/层级很深）总结常用树形结构设计总结
I have a java application launched by a .cmd file. I want to set the classpath of the application through this batch, all the needed jars are into a lib folder.
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