异步加载
上面呢,是jsp页面的代码,因为是纯插件测试,可以直接复制过去使用的,
action层代码,可以直接复制使用
public void getMenusById(){ Listlist=null; try { list=ztreeService.getMenusById(ztree); } catch (Exception e) { e.printStackTrace(); } super.writeJson(list); }
public ListgetMenusById(Ztree ztree) throws Exception; //接口
//service代码,几本都可以复制使用 package com.jk.service.impl;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Repository;import com.jk.dao.ZtreeDao;import com.jk.model.Ztree;import com.jk.service.ZtreeService;@Repository("ztreeService")public class ZtreeServiceImpl implements ZtreeService { @Autowired private ZtreeDao ztreeDao; @Override public List queryList(Ztree ztree) throws Exception { String hql=" from Ztree where 1=1 "; Mapparams = new HashMap (); //传的对象是否为空,拼接sql+id if(ztree.getId()!=null){ hql+=" and id = :id "; params.put("id",ztree.getId()); } return ztreeDao.queryList(hql, params); } //递归查询 @Override public List getMenusById(Ztree ztree) throws Exception { String hql=" from Ztree where 1=1 "; Map params=new HashMap (); if(ztree.getId()==null||ztree.getId().equals("")){ hql+=" and pid is null "; }else{ hql+= " and pid = :id "; params.put("id",ztree.getId()); } List queryZtree = ztreeDao.queryList(hql, params); List list=new ArrayList (); for(Ztree ztree2:queryZtree){ if(queryBoolean(ztree2)){ ztree2.setIsParent("true"); } list.add(ztree2); } return list; } //熟悉递归的朋友应该可以看懂,我就不解释了,我也聊不清楚这个递归,不误导了,代码在这,可以复制进去直接运行, public boolean queryBoolean(Ztree ztree) throws Exception{ boolean flag=false; String hql= " from Ztree where pid = :id "; Map params=new HashMap (); params.put("id", ztree.getId()); List queryZtree = ztreeDao.queryList(hql, params); if(queryZtree!=null&&queryZtree.size()>0){ flag=true; } return flag; } }
dao层就不用写了吧,只是一个查询,下面我把ztree的表字段附上
希望可以帮到大家,这就是我再学习ztree插件时的测试代码,ssh框架注解版,在其他框架里还没有试过,但是了解了使用方法,应该都没问题,我相信你们都比我强的多。不是大神,只是分享一下。大神勿喷~~~~~~~~~~