2023年6月22日发(作者：)

把LIST递归成树形结构1.创建类 public class Node { public bool leaf { get; set; } public int FolderID { get; set; } public string iconCls { get; set; } public bool editable { get; set; } public bool expanded { get; set; } public int ParentFolderID { get; set; } public string text { get; set; } public bool InheritPerm { get; set; } //public string CreateDate { get; set; } //public string CreateBy { get; set; } public Node[] children { get; set; } }2.从数据库获取数据转化成LIST3.递归构建树形结构 public static string GetTree(List nodes) { var list = l(a => FolderID == 1);//最顶级的⽬录 foreach (var node in list) { if ( == "01.通讯录") { en = new Node[] { };//必须为空数组,不能为NULL,否则前端树节点会有错误 } GetTree(node, nodes); } return izeObject(list); } public static void GetTree(Node paretnNode, List nodes) { List nodelist = new List(); foreach (var node in nodes) { if (FolderID == ID) { GetTree(node, nodes); if (en == null) { en = new Node[] { };//必须为空数组,不能为NULL,否则前端树节点会有错误 } (node); en = y(); } } }