- arrayToTree<T, C>(array, id?, options?): T[] | undefined
- Type Parameters- T extends object
- C extends string = "children"
 - Parameters- array: T[]
- Optionalid: null | string | number | symbol
- options: { 
 childrenKey?: C;
 idKey?: string;
 pidKey?: string;
 } = ...
- OptionalchildrenKey?: C
- OptionalidKey?: string
- OptionalpidKey?: string
 
 
- Returns T[] | undefined- 树形结构 
将数组转换为树形结构