struts2+dtree树形结构

package com.dtree.test; import java.util.ArrayList; import java.util.List; public class OrganizationService { public List getOrganization(){ List list = new ArrayList(); //父节点 Organization org1 = new Organization(); org1.setId(1); org1.setName("开发部"); org1.setParentId(0); list.add(org1); //子节点1 Organization org11 = new Organization(); org11.setId(2); org11.setName("开发人员1"); org11.setParentId(1); list.add(org11); //子节点2 Organization org12 = new Organization(); org12.setId(3); org12.setName("开发人员2"); org12.setParentId(1); list.add(org12); return list; } }