public static void ConstructJTreeNode(ref JTreeNode node, List <TreeModel> treelist)
{
var pid = node.id;
var children = from i in treelist where i.ParentIdField == pid select i;
if (children.Count() > 0)
{
List <JTreeNode> temp = new List <JTreeNode>();
foreach (var item in children)
{
var model = new JTreeNode()
{
id = item.IdField,
text = item.TextField,
state = "closed"
};
temp.Add(model);
}
node.children = temp.ToArray();
}
//递归遍历
if (node.children != null)
{
for (int i = 0; i < node.children.Length; i++)
{
ConstructJTreeNode(ref node.children[i], treelist);
}
}
else
{
node.state = "open";
}
}
public static string ConvertToJson(JTreeNode node)
{
StringBuilder sb = new StringBuilder();
sb.Append("{");
sb.AppendFormat("\"id\":\"{0}\",", node.id);
if (!string.IsNullOrWhiteSpace(node.state))
{
sb.AppendFormat("\"state\":\"{0}\",", node.state);
}
if (!string.IsNullOrWhiteSpace(node.iconCls))
{
sb.AppendFormat("\"iconCls\":\"{0}\",", node.iconCls);
}
if (node.Checked != null)
{
sb.AppendFormat("\"checked\":\"{0},\"", node.Checked);
}
// to append attributes...
if (node.attributes != null)
{
var attributesType = node.attributes.GetType();
foreach (var item in attributesType.GetProperties())
{
var value = item.GetValue(node.attributes, null);
if (value != null)
{
sb.AppendFormat("\"{0}\":\"{1}\",", item.Name, value);
}
}
}
//recursive append children
if (node.children != null && node.children.Length > 0)
{
StringBuilder sbChildren = new StringBuilder();
foreach (var item in node.children)
{
sbChildren.AppendFormat("{0},", ConvertToJson(item));
}
sb.AppendFormat("\"children\":[{0}],", sbChildren.ToString().TrimEnd(','));
}
sb.AppendFormat("\"text\":\"{0}\"", node.text);
sb.Append("}");
return(sb.ToString());
}
