Function getSelectedNode

models/document_tree.go:100–117

使用递归的方式获取指定ID的最顶层ID

(array []*DocumentTree, selectedId int, level ...int)

// 使用递归的方式获取指定ID的最顶层ID
func getSelectedNode(array []*DocumentTree, selectedId int, level ...int) int {
	lv := 0
	if len(level) > 0 {
		lv = level[0]
	}
	if lv > 20 {
		return 0
	}
	for _, item := range array {
		if _, ok := item.ParentId.(string); ok && item.DocumentId == selectedId {
			return item.DocumentId
		} else if pid, ok := item.ParentId.(int); ok && item.DocumentId == selectedId {
			lv++
			return getSelectedNode(array, pid, lv)
		}
	}
	return 0
}

func getDocumentTree(array []*DocumentTree, parentId int, selectedId int, selectedParentId int, buf *bytes.Buffer) {
	buf.WriteString("<ul>")