一.功能实现 1.节点树查询: 按ID查询树 2.节点新增: http://host/tree_data/node/${treeId} in: {node: {key: ..., ...}, parent: ${key}, sequ: ${sequ}} 3.节点修改 http://host/tree_data/node/${treeId}/${key} in: {node: {key: ..., ...}} 4.节点删除 http://host/tree_data/node/${treeId}/…