Easyui-ComboTree数据填充,递归。树形节点

xiaoxiao2021-02-28  83

效果图:

Combotree需要的Json数据格式:http://www.jeasyui.com/demo/main/tree_data1.json

实现方法:

[csharp]  view plain  copy /* 数据(TitleInfo)   *   【 SystemCode:1,    Name:总(副)经理,         父级编码(CodeSystemParentCode):】   *   【 SystemCode:2,    Name:总工、助理,          父级编码(CodeSystemParentCode):】   *   【 SystemCode:3,    Name:副总工、部门经理(副) 父级编码(CodeSystemParentCode):】   *   【 SystemCode:4,    Name:高级项目经理,         父级编码(CodeSystemParentCode):】   *   【 SystemCode:412,  Name:技术人员,           父级编码(CodeSystemParentCode):4】   *   【 SystemCode:411,  Name:项目经理,           父级编码(CodeSystemParentCode):4】   *   【 SystemCode:112,  Name:董事长,            父级编码(CodeSystemParentCode):1】   *   【 SystemCode:413,  Name:12312,              父级编码(CodeSystemParentCode):4】   */   public void GetTitleInfo(HttpContext context)   {       string TitileTreestr = "";       List<Model.TitleInfo> tiL = BLL.TitleInfo.GetTitleInfos();//所有数据       List<Model.TitleInfo> tiLparent = tiL.Where(t => string.IsNullOrEmpty(t.CodeSystemParentCode)).ToList();//父级节点          //CreateTitileTree(tiL, out TitileTreestr);//普通循环拼接方法       CreateTitileTree(tiL, tiLparent, ref TitileTreestr);//递归          context.Response.Write("[" + TitileTreestr + "]");//[]拼成json格式       context.Response.End();   }      /// <summary>   /// 职务树(深度只能2层)   /// </summary>   /// <param name="tiL">所有职务数据</param>   /// <returns>返回Json</returns>   public void CreateTitileTree(List<Model.TitleInfo> tiL, out string ResultTreestr)   {       string TitileTree = "";       List<Model.TitleInfo> listParent = tiL.Where(t => string.IsNullOrEmpty(t.CodeSystemParentCode)).ToList(); //父级       foreach (var itemp in listParent)//根据父级ID得到子节点       {           string ChildTree = "";//子节点           TitileTree += "{\"id\":\"" + itemp.AriId + "\",\"text\": \"" + itemp.AriName + "\",\"children\":[";           List<Model.TitleInfo> listchild = tiL.Where(t => t.CodeSystemParentCode == itemp.SystemCode ).ToList();//该父节点的子ID           foreach (var itemc in listchild)           {               ChildTree += "{\"id\":\"" + itemc.AriId + "\",\"text\": \"" + itemc.AriName + "\",\"children\":[]},";           }           if (!string.IsNullOrEmpty(ChildTree))               ChildTree = ChildTree.Substring(0, ChildTree.Length - 1);           TitileTree += ChildTree;           TitileTree += "]},";       }       ResultTreestr = TitileTree.Substring(0, TitileTree.Length - 1);   }      /// <summary>   /// 递归获取职务树(无论多深)   /// </summary>   /// <param name="tiL">总节点</param>   /// <param name="tiLparent">父节点</param>   /// <param name="TitileTree">结果值</param>   public void CreateTitileTree(List<Model.TitleInfo> tiL, List<Model.TitleInfo> tiLparent, ref string TitileTree)   {       int i = 0;       foreach (var itemp in tiLparent)       {           i++;           TitileTree += "{\"id\":\"" + itemp.AriId + "\",\"text\": \"" + itemp.AriName + "\",\"children\":[";           List<Model.TitleInfo> child = tiL.Where(t => t.CodeSystemParentCode == itemp.SystemCode).ToList();           if (child != null && child.Count() > 0)               CreateTitileTree(tiL, child, ref TitileTree);           TitileTree += "]},";              if (i == tiLparent.Count()) //去掉最后一个节点的逗号               TitileTree = TitileTree.Substring(0, TitileTree.Length - 1);       }   }  
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