easyui treeJson 带层数
public string GetTreeNav(int ID,int Num) { StringBuilder sb = new StringBuilder(); sb.Append("[{\"id\":1,\"text\":\"根目录\",\"children\":["); sb.Append(GetTreeSon(ID,Num)); sb.Append("]}]"); return sb.ToString(); } public string GetTreeSon(int ID,int Num) { StringBuilder sb = new StringBuilder(); DataTable dt = GetTableByParentID(ID,"视频"); for (int i = 0; i < dt.Rows.Count; i++) { if (Num == 1) { sb.Append("{\"id\":" + dt.Rows[i]["ID"].ToString() + ",\"text\":\"" + dt.Rows[i]["ClassName"].ToString() + "\"}"); } else { sb.Append("{\"id\":" + dt.Rows[i]["ID"].ToString() + ",\"text\":\"" + dt.Rows[i]["ClassName"].ToString() + "\",\"state\":\"closed\",\"children\":[" + GetTreeSon(Convert.ToInt32(dt.Rows[i]["ID"]), Num - 1) + "]}"); } if (i < dt.Rows.Count - 1) { sb.Append(","); } } return sb.ToString(); }
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