基于jstree使用AJAX请求获取数据形成树

//权限分配 
 $('#authority').click(function() { 
 $("#jstree").jstree({ 
 "core" : { 
 "themes" : { 
 "responsive": false 
 }, 
 // so that create works 
 "check_callback" : true, 
 'data' : function (obj, callback) { 
 var jsonstr="[]"; 
 var jsonarray = eval('('+jsonstr+')'); 
 $.ajax({ 
 type: "GET", 
 url:"/demo/authority/getAuthoritys", 
 dataType:"json", 
 async: false, 
 success:function(result) { 
 var arrays= result; 
 for(var i=0 ; i<arrays.length; i++){ 
 console.log(arrays[i]) 
 var arr = { 
 "id":arrays[i].id, 
 "parent":arrays[i].parentId=="root"?"#":arrays[i].parentId, 
 "text":arrays[i].name 
 } 
 jsonarray.push(arr); 
 } 
 } 
 
 }); 
 callback.call(this, jsonarray); 
 } 
 }, 
 "types" : { 
 "default" : { 
 "icon" : "glyphicon glyphicon-flash" 
 }, 
 "file" : { 
 "icon" : "glyphicon glyphicon-ok" 
 } 
 }, 
 "state" : { "key" : "demo2" }, 
 "plugins" : [ "dnd", "state", "types","checkbox","wholerow" ] 
 }); 
 $('#setAuthority').modal(); 
 }); 

<!-- 权限分配模框--> 
 <div class="modal fade" id="setAuthority"> 
 <div class="modal-dialog"> 
 <div class="modal-content message_align"> 
 <div class="modal-header"> 
 <button type="button" class="close" data-dismiss="modal" 
 aria-label="Close"> 
 <span aria-hidden="true">×</span> 
 </button> 
 <h4 class="modal-title">权限分配</h4> 
 </div> 
 <div class="modal-body"> 
 <div id= "jstree"> 
 
 </div> 
 </div> 
 <div class="modal-footer"> 
 <input type="hidden" id="url" /> 
 <button type="button" class="btn btn-default" data-dismiss="modal">取消</button> 
 <a onclick="authorityConfirm()" class="btn btn-success" 
 data-dismiss="modal">确定</a> 
 </div> 
 </div> 
 <!-- /.modal-content --> 
 </div> 
 <!-- /.modal-dialog --> 
 </div>