public static List <SelectTreeJsonModel> TreeViewToSelectJsonModel(this TreeViewJsonModel root)
{
List <SelectTreeJsonModel> list = new List <SelectTreeJsonModel>();
NextAppend(root, list, "");
return(list);
}
private static void NextAppend(TreeViewJsonModel node, List <SelectTreeJsonModel> list, string pre)
{
if (node == null)
{
return;
}
list.Add(new SelectTreeJsonModel()
{
id = node.nodeId, text = HttpUtility.HtmlDecode(pre + node.text)
});
foreach (var item in node.nodes)
{
NextAppend(item, list, pre + " ");
}
}
public static TreeViewJsonModel BuildTreeView(this IEnumerable <BaseTreeViewModel> list)
{
TreeViewJsonModel root = new TreeViewJsonModel()
{
parent = -1, text = "权限平台", nodeId = 0
};
List <TreeViewJsonModel> listTree = new List <TreeViewJsonModel>();
foreach (var item in list)
{
foreach (var prop in item.GetType().GetProperties())
{
if (prop.GetCustomAttribute <TreeTextAttribute>() != null)
{
listTree.Add(new TreeViewJsonModel()
{
nodeId = item.ID,
parent = item.ParentID,
text = prop.GetValue(item, null).ToString(),
href = item.ID.ToString()
});
break;
}
}
}
foreach (var item in listTree)
{
if (item.parent == -1)
{
root = item;
}
else
{
TreeViewJsonModel model = FindNextNode(listTree, item.parent);
if (model != null)
{
model.nodes.Add(item);
}
}
}
return(root);
}
private static TreeViewJsonModel FindNextNode(List <TreeViewJsonModel> listTree, int parentId)
{
if (listTree == null)
{
return(null);
}
foreach (var item in listTree)
{
if (item.nodeId == parentId)
{
return(item);
}
TreeViewJsonModel model = FindNextNode(item.nodes, parentId);
if (model != null)
{
return(model);
}
}
return(null);
}