Bootstrap treeview实现动态加载数据并添加快捷搜索(2)

$(function () {
  var defaultData;
   $.ajax({
    type: "post",
    url: "项目请求路径方法.json",
    dataType: "json",
    success: function (result) { 
    defaultData=result;
     var initSearchableTree = function() {
     return $('#treeview-searchable').treeview({
      data: defaultData,
      nodeIcon: 'glyphicon glyphicon-globe',
      emptyIcon: '', //没有子节点的节点图标
      //collapsed: true,
     });
     };
     var $searchableTree = initSearchableTree();
     $('#treeview-searchable').treeview('collapseAll', { 
     silent : false//设置初始化节点关闭
    });
     var findSearchableNodes = function() {
     return $searchableTree.treeview('search', [ $.trim($('#input-search').val()), { ignoreCase: false, exactMatch: false } ]);
     };
     var searchableNodes = findSearchableNodes();
     // Select/unselect/toggle nodes
     $('#input-search').on('keyup', function (e) {
     var str = $('#input-search').val(); 
     if($.trim(str).length>0){
      searchableNodes = findSearchableNodes();
     } else {
     $('#treeview-searchable').treeview('collapseAll', { 
      silent : false //设置初始化节点关闭
     });
     }
     //$('.select-node').prop('disabled', !(searchableNodes.length >= 1));
     });
    var search = function(e) {
      var pattern = $.trim($('#input-search').val());
      var options = {
      ignoreCase: $('#chk-ignore-case').is(':checked'),
      exactMatch: $('#chk-exact-match').is(':checked'),
      revealResults: $('#chk-reveal-results').is(':checked')
      };
      var results = $searchableTree.treeview('search', [ pattern, options ]);
      var output = '<p>' + results.length + ' 匹配的搜索结果</p>';
      $.each(results, function (index, result) {
      output += '<p>- <span style="color:red;">' + result.text + '</span></p>';
      });
      $('#search-output').html(output);
     }
     $('#btn-search').on('click', search);
     $('#input-search').on('keyup', search);
     $('#btn-clear-search').on('click', function (e) {
      $searchableTree.treeview('clearSearch');
      $('#input-search').val('');
      $('#search-output').html('');
      $('#treeview-searchable').treeview('collapseAll', {
      silent : false//设置初始化节点关闭
     });
     });
    
    },
    error: function () {
     alert("省市区地域信息加载失败！")
    }
   });
  });

@ResponseBody
@RequestMapping(value = "/queryAreaInfo", method = { RequestMethod.POST }, produces = MediaType.APPLICATION_JSON_VALUE)
 public List<Object> queryAreaInfo() {
 List<AreaVO> areaInfo=new ArrayList<>();
 try {
 //获取缓存中的省市区信息（本项目直接从缓存中获取，也可以单独写方法到Service、Dao层查询）
 EcncSysConfig sysConfig = new EcncSysConfig();
 areaInfo = sysConfig.INIT_SYS_ECNC_AREAVO;
 } catch (Throwable e) {
 e.printStackTrace();
 }
 //盛放省份
 List<Object> result=new ArrayList<>();
 for (AreaVO areaVO : areaInfo) {
 Map<String, Object> map= new HashMap<>();
 if("2".equals(areaVO.getGrade())){
 map.put("text", areaVO.getName());
 //盛放地市
 List<Object> cList=new ArrayList<>();
 for (AreaVO cVO : areaInfo) {
  Map<String, Object> cMap=new HashMap<>();
  if (cVO.getParentId() != null && cVO.getParentId().equals(areaVO.getId())) {
  cMap.put("text", cVO.getName());
  //盛放区县
  List<Object> rList=new ArrayList<>();
  for (AreaVO rVO : areaInfo) {
  Map<String, Object> rMap=new HashMap<>();
  if (cVO.getId().equals(rVO.getParentId())) {
  rMap.put("text", rVO.getName());
  rList.add(rMap);
  }
  }
  cMap.put("nodes", rList);
  cList.add(cMap);
  }
 }
 map.put("nodes", cList);
 result.add(map);
 }
 }
 return result;
 }