public static IEnumerable <BootstrapNode> ToNodes(this IEnumerable <NodeInfo> listInfos)
{
var infos = listInfos as NodeInfo[] ?? listInfos.ToArray();
var rootCategorys = infos?.Where(x => x.ParentId == 0);
var nodes = new List <BootstrapNode>();
foreach (var info in rootCategorys)
{
var node = new BootstrapNode();
node.Id = info.Id.ToString();
node.Text = info.Name;
node.Tags = new string[] { info.ChildCount.ToString() };
OrganizeForIndented(node.Nodes, node, info, infos);
nodes.Add(node);
}
return(nodes);
}
/// <summary>
/// 收缩递归
/// </summary>
/// <param name="nodes"></param>
/// <param name="node"></param>
/// <param name="info"></param>
/// <param name="lists"></param>
private static void OrganizeForIndented(List <BootstrapNode> nodes, BootstrapNode node, NodeInfo info, IEnumerable <NodeInfo> lists)
{
if (info.ChildCount > 0)
{
nodes = new List <BootstrapNode>();
var newlists = lists?.Where(x => x.ParentId == info.Id);
foreach (var info1 in newlists)
{
BootstrapNode node1 = new BootstrapNode
{
Id = info1?.Id.ToString(),
Text = info1.Name,
Tags = new string[] { info1?.ChildCount.ToString() }
};
OrganizeForIndented(node1.Nodes, node1, info1, lists);
nodes.Add(node1);
}
node.Nodes = nodes;
}
}