ztree添加自定义控件

package com.asnyc.test; import java.io.IOException; import java.io.PrintWriter; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class AsnycServlet extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String pIdByPage = request.getParameter("id")==null?"0":request.getParameter("id"); String str=""; DemoData d = new DemoData(); List<WarehouseNodeInfo> list = (d.queryDate(pIdByPage)); if (list != null && list.size() != 0) { WarehouseNodeInfo menu=null; WarehouseNodeInfo menuNext=null; int level=1;//节点层次 long nId=0;//节点id long pId=0;//父节点id String nodeName="库房结构信息";//节点名称 long nodeType=0l;//当前节点类型 int size=list.size();//菜单数量 String url=""; String target=""; for (int i=0;i<size;i++) { menu=list.get(i); nodeName=menu.getNodeName(); nId=menu.getWarehouseinfoNodeId(); pId=menu.getParentNodeId(); level=(int)menu.getNodeLevel(); nodeType=menu.getNodeType();//下一节点类型(欲加载的节点类型) target=menu.getTarget(); url=menu.getUrl()+"?nodeId="+menu.getWarehouseinfoNodeId()+"&contentType="+menu.getContentType(); if(i<size-1){//非最后一个 menuNext=list.get(i+1); /* * 因为是用递归查询出来的集合，所以不用判断nodeId是否等于pid了 * 此处只有level显得重要 * */ if(level<(int)menuNext.getNodeLevel()){//表示为公共节点，即该节点下面还有子节点 str +="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"',isParent:true"; str += ",nodes:["; } if(level>(int)menuNext.getNodeLevel()){//标识此处为菜单从子级向它父级过渡， //即已经到叶子节点 if(nodeType==1){ str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"'}"; }else{//父节点 str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"',isParent:true}"; } int len = (int)(level - menuNext.getNodeLevel());//过渡多少级 for( int l = 0;l < len;l++){ str += "]}"; } str += ","; } if(level==(int)menuNext.getNodeLevel()){//同级节点 if(nodeType==1){ str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"'},"; }else{//父节点 str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"',isParent:true},"; } } }else{//最后一个菜单 String endStr=""; if(level>1){ /*for(int k=0;k<level-1;k++){ endStr += "]}"; }*/ if(nodeType==1){ str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"'}"+endStr; }else{//父节点 str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"',isParent:true}"+endStr; } }else{ if(nodeType==1){ str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"'}"; }else{ str+="{id:"+nId+",pId:"+pId+",name:'"+nodeName+"',nodeType:'"+nodeType+"',isParent:true}"; } } } } str= "["+str+"]"; response.setContentType("text/xml;charset=UTF-8"); PrintWriter out = response.getWriter(); out.println(str); out.flush(); out.close(); } System.out.println("str="+str); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); doGet(request,response); } }