通用包
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utils/pkg/tree.go

27 lines
610 B

package pkg
type Node[T any] struct {
Data T `json:"data"`
Children []Node[T] `json:"children"`
}
// 适用 A00001B00001 层级结构
// parent 父级字符串
// length A00001 一个节点长度
// pathFunc 返回T的code A00001
func Tree[T any](data []T, parent string, length int, pathFunc func(d T) string) (res []Node[T]) {
for _, v := range data {
path := pathFunc(v)
if len(path) < length {
return nil
}
p := path[:len(path)-length]
if p == parent {
res = append(res, Node[T]{
Data: v,
Children: Tree[T](data, path, length, pathFunc),
})
}
}
return
}