bootstrap-treeview的 简单使用

理论：http://blog.csdn.net/babyxue/article/details/73835444

插依赖Bootstrap 和jQuery

<link href="~/bootstrap-treeview.css" rel="stylesheet" />
<link href="./css/bootstrap.css" rel="stylesheet">
<script src="./js/jquery.js"></script>
<script src="./js/bootstrap-treeview.js"></script>

jsp中

<div class="col-sm-3">
<input type="hidden" id="powerList" name="powerList" value='${powerList}'/>
<input type="hidden" id="ids" name="ids" value="${ids}" />
<c:if test="${powerList!=null}">
<div id="tree"></div>
</c:if>
</div>

js中

var log = {
    initTree: function () {
        var data = $('#powerList').val();
        $('#tree').treeview({
              data: data,
              showCheckbox:false,
              multiSelect:false,
              onNodeSelected:function(event,node){ //选中节点其子节点,父节点
                  var ids = [];
                  var parentNode = $('#tree').treeview('getParent',node); //父节点//
                  var nodes = node.nodes; //子节点
                  if(nodes){
                      for(var i=0; i<nodes.length; i++){
                          ids.push(nodes[i].id)
                          var childNode = nodes[i].nodes;
                          if(childNode){
                              for(var j=0; j<childNode.length; j++){
                                  ids.push(childNode[j].id)
                              }
                          }
                      }
                  }else{
                      ids.push(node.id)
                  }
                  //console.info(ids);
                  $('#ids').val(ids);
                  setTimeout(function () {
                    log.reload();
                }, 1000)
              },
              onNodeUnselected:function(event,node){
                $('#ids').val('');
                setTimeout(function () {
                    log.reload();
                }, 1000)
              }
          });

     }
}；

这里得到节点的id的时候，有点小问题

@RequestMapping(value = "view")
    public ModelAndView toLog(ModelAndView modelAndView) throws Exception {
        modelAndView.setViewName("system/log");
        try{
            List<TreeObject> list = getTree(Long.parseLong("-1"));
            TreeObject treeObject = new TreeObject();
            treeObject.setId(-1L);
            treeObject.setText("全部菜单");
            State rootState = new State();
            rootState.setExpanded(true);
            rootState.setChecked(false);
            treeObject.setState(rootState);            

            //只显示递归产生的两层
            TreeObject treeObj = new TreeObject();
            for(int i = 0; i < list.size(); i++){
                List<TreeObject> list2 = list.get(i).getNodes();
                if(list2 != null && list2.size() > 0){
                    for(int j = 0; j < list2.size(); j++){
                        if(list2.get(j).getNodes() != null){
                            list2.get(j).setNodes(null);
                        }
                    }
                }
            }
            treeObject.setNodes(list);
            modelAndView.addObject("powerList", "[" + JSON.toJSONString(treeObject) + "]");
        }catch(Exception ex){
            logger.error("进入日志管理页面出错!",ex);
        }
        return modelAndView;
    }

    //递归树
    public List<TreeObject> getTree(Long parentid) {
        List<TreeObject> list = new ArrayList<TreeObject>();
        List<TreeObject> total = new ArrayList<TreeObject>();
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("parent_id", parentid);
        map.put("sys_type", 1);
        List<Power> powerList = powerService.getPowerByGroupLevel(map);
        for (Power power : powerList) {
            TreeObject tb = new TreeObject();
            tb.setId(power.getPower_id());
            tb.setText(power.getPower_name());
            State state = new State();
            state.setChecked(false);
            state.setExpanded(false);
            if (power.getChildcnt() > 0) {
                List<TreeObject> child = getTree(power.getPower_id());
                tb.setNodes(child);
            }
            tb.setState(state);
            list.add(tb);
        }
        total.addAll(list);
        return total;
    }