Views代码
@{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> <script src="~/content/js/plugins/jsTree/jstree.min.js"></script> </head> <body> <div id="using_json"></div> <script> $(document).ready(function () { @{ var a = new HtmlString(ViewBag.Region);//将动态数据转换成HTMLstring格式 } $("#using_json").jstree(@a);//jsTree绑定数据 }); </script> </body> </html>
Controller代码
public ActionResult Index() { RegionModels list = new RegionModels(); list.region = service.GetRegion();//查询区域数据 list.dormcategory = service.GetDormCategory();//获取宿舍类型 RegionModel region = service.GetSingleRegion("0"); ViewBag.Region = GetRegionJson(region.Cid, list.region); return View(list); } /// <summary> /// 返回jsTree的最外层值 /// </summary> /// <param name="parentid">父级Cid</param> /// <param name="data">数据</param> /// <returns></returns> public string GetRegionJson(string parentid, List<RegionModel> data) { string icon = GetIcon(0); string a = "{"core": {"themes": {"theme": "classic","dots": true},"data":[{"text":"区域","icon": ""+icon+"","id":"" + parentid + ",0","state": {"opened": true },"children":["; StringBuilder sb = new StringBuilder(a); RegionList(parentid, data, sb);//添加子集数据 sb.Append("]}]}}"); return sb.ToString(); } /// <summary> /// 添加jsTree子集数据 /// </summary> /// <param name="parentid"></param> /// <param name="list"></param> /// <param name="sb"></param> public void RegionList(string parentid, List<RegionModel> list, StringBuilder sb) { IEnumerable<RegionModel> temp = list.Where(n => n.ParentCid.Trim() == parentid).OrderBy(r => r.Name); foreach (var item in temp) { string open = item.Level == 1 ? "true" : "false"; string icon = GetIcon(item.Level); string lastComma = ""; if (item != temp.Last()) lastComma = ","; List<RegionModel> children = list.Where(n => n.ParentCid.Trim() == item.Cid).ToList(); if (children.Count == 0) { sb.Append($" {{ "text": "{item.Name}","icon": "{icon}","id":"{ item.Cid.ToString() + "," + item.Level.ToString()}","state": {{"opened": {open} }},}}{lastComma}"); } else { sb.Append($" {{"text": "{item.Name}","icon": "{icon}","id":"{ item.Cid.ToString() + "," + item.Level.ToString()}","state": {{"opened": {open} }},"); sb.Append(""children": ["); RegionList(item.Cid, list, sb); sb.Append($"]}}{lastComma}"); } } }
结果
