自己搞了一下午，终于用JAVA实现了数据网格。记录一下实现的代码。（PS：此处的easyui是1.5版本，楼主只贴了核心的代码）
实现图
JSP页面
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<head>//权限列表$( document ).ready(function(){ var parentId = 0; $('#tt').treegrid({ url:'queryPrivilege.action?parentId='+parentId, idField:'id', treeField:'RecordStatus', columns:[[ {title:'id',field:'id',width:180}, {field:'RecordStatus',title:'RecordStatus',width:180} , {field:'PrivilegeOperation',title:'PrivilegeOperation',width:180} ]], onBeforeExpand:function(row){ //动态设置展开查询的url $(this).treegrid('options').url = 'queryPrivilege.action?parentId='+row.id; } }); }) </script> </head> <body><table id="tt" style="width:600px;height:400px"></table></body> |
ACTION层代码
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//输出 public PrintWriter out()throws IOException{ HttpServletResponse response=ServletActionContext.getResponse(); response.setContentType("text/html"); response.setContentType("text/plain; charset=utf-8"); PrintWriter out= response.getWriter(); return out; } public String queryPrivilege() throws IOException{ returnpd="ok"; JSONArray array =new JSONArray(); array = privilegeService.getMenu(parentId); String str=array.toString(); out().print(str); out().flush(); out().close(); return returnpd;} |
Service层接口代码
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JSONArray getMenu(int parentId); |
ServiceImpl层代码（实现service层）
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@Override public JSONArray getMenu(int parentId) { // TODO Auto-generated method stub return (JSONArray)privilegeDao.getMenu(parentId); } |
Dao层代码
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JSONArray getMenu(int parentId); |
DaoImpl层代码（实现Dao层）
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@Overridepublic JSONArray getMenu(int parentId) { // TODO Auto-generated method stub String hql=""; JSONArray array=new JSONArray(); hql="FROM Privilege p WHERE p.parentID = "+parentId; for(Privilege privilege:(List<Privilege>)(getSession().createQuery(hql).list())){ JSONObject jo=new JSONObject(); jo.put("id", privilege.getId()); jo.put("RecordStatus", privilege.getRecordStatus()); jo.put("parendId",privilege.getParentID()); if(privilege.getParentID()==0){ jo.put("state","closed"); } else{ jo.put("state","open"); System.out.println(parentId); } array.add(jo); } return array;} |
数据库一览
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
