jquery树形插件zTree高级使用详解

<script type="text/javascript" src="<%=request.getContextPath() %>/resources/js/jquery-1.9.1.min.js"></script>
<link rel="stylesheet" href="<%=request.getContextPath() %>/resources/bootstrap/3.3.4/css/bootstrap.min.css" > 
<script type="text/javascript" src="<%=request.getContextPath() %>/resources/bootstrap/3.3.4/js/bootstrap.min.js"></script>
 
<!-- 引入zTree相关的js/css文件 -->
<link rel="stylesheet" href="<%=request.getContextPath() %>/resources/ztree/zTreeStyle/zTreeStyle.css" >
<script type="text/javascript" src="<%=request.getContextPath() %>/resources/ztree/jquery.ztree.all.js"></script>

// zTree 的参数配置，深入使用请参考 API 文档（setting 配置详解）
 var setting = {
 check:{
 enable: false,
 //autoCheckTrigger:true,
 //chkStyle:"none"
 },
 callback:{
 onClick:queryRoleByEmployee
 }
 };
function queryRoleByEmployee(event, treeId, treeNode){
 //console.info(treeNode.tId + ", " + treeNode.name + "," + treeNode.checked);
 //console.info("--------"+treeNode.isParent);
 if(treeNode.isParent == true){
 //将角色的树形结构清楚
 $.fn.zTree.destroy("roleTree");
 return ;
 }
 $.get('<%=request.getContextPath()%>/'+treeNode.objCode+'/role',{"coddd":treeNode.isParent},function(data){
 console.info(data);
 zTreeObj = $.fn.zTree.init($("#roleTree"), settingRole, data);
 });
 }

public class DimsTree {
 
 //除了树本身的属性,还可以自定义属性.
private Object objCode;
 
 //树形结构展示的名称
 private String name;
 
 //是否打开属性
 private String open;
 
 //是否根节点
 private boolean isParent;
 
 //url
 private String url;
 
 //子节点
 private List<DimsTree> children;
 
 //是否被选中
 private boolean checked;
//省略gettings和settings方法
}

@ResponseBody
 @RequestMapping(value="/user_role1")
 public List<DimsTree> userRole1(Model model){
 //宿舍信息Tree
 List<DimsTree> dimsTreeList = new ArrayList<DimsTree>();
 //加载用户信息列表,手链需要加载宿舍信息,将用户信息加入到宿舍信息中.
 List<Dormitory> dormitoiryList = dormitoryDao.list();
 for(Dormitory dorm: dormitoiryList){
 DimsTree dt = new DimsTree();
 dt.setName(dorm.getDormCode());
 dt.setParent(true);//根节点
 dt.setObjCode(dorm.getDormCode());
 dt.setChildren(employee2DimsTree(dorm));
 dimsTreeList.add(dt);
 }
 
 model.addAttribute(dimsTreeList);
 //加载角色信息列表，对已经选中的角色进行设置checked=true属性。
 //这个应该设置成异步加载的方式,根据不同的用户查询不同的角色信息.
 logger.info("-------------->"+dimsTreeList);
 return dimsTreeList;
// return "other/user_role";
 }
 
 /**
  * 根据宿舍,查询宿舍下的成员
  * @param dorm
  * @return
  */
 public List<DimsTree> employee2DimsTree(Dormitory dorm){
  //这个应该是在service层进行实现得 
  String sql = "select * from t_employee t where t.dorm_code = ?";
  logger.info("----------->查询人员宿舍信息参数:"+dorm.getDormCode());
  List<Employee> employeeList = employeeDao.listBySql(sql, new Object[]{dorm.getDormCode()});
  List<DimsTree> dimsTreeList = new ArrayList<DimsTree>();
  for(Employee ee : employeeList){
   DimsTree dt = new DimsTree();
   dt.setName(ee.geteName());
   dt.setParent(false);
   dt.setObjCode(ee.getUstcAccount());
   dimsTreeList.add(dt);
  }
  return dimsTreeList;
 }

 $(document).ready(function(){
 $.get('<%=request.getContextPath()%>/user_role1', function(data){
  console.info(data);
  //zNodes = data;
  zTreeObj = $.fn.zTree.init($("#dormitoryTree"), setting, data);
 });
 //console.info($.fn.zTree.getZTreeObj("dormitoryTree"));
 //console.info(zTreeObj.getNodes());
 });