ztree json

最新推荐文章于 2021-08-12 16:57:51 发布

jikeyiban08

最新推荐文章于 2021-08-12 16:57:51 发布

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本文链接：https://blog.youkuaiyun.com/jikeyiban08/article/details/16898659

package com.webjet.web.action;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import com.opensymphony.xwork2.ActionSupport;
import com.webjet.bean.China;
import com.webjet.service.ChinaService;
@Controller
@Scope("prototype")
public class Jchina extends ActionSupport {
private static final long serialVersionUID = 1L;
@Autowired
private ChinaService chinaservice;

public ChinaService getChinaservice() {
return chinaservice;
}

public void setChinaservice(ChinaService chinaservice) {
this.chinaservice = chinaservice;
}

private List<China> chinaList;

public String execute() throws Exception{
  setChinaList(chinaservice.show());
  JSONArray jsonArray2 = JSONArray.fromObject(chinaList);

       //把java数组转化成转化成json对象
        ServletActionContext.getResponse().getWriter().print(new String(jsonArray2.toString().getBytes(),"iso8859-1"));

return null;
}

public List<China> getChinaList() {
return chinaList;
}

public void setChinaList(List<China> chinaList) {
this.chinaList = chinaList;
}

}

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - Standard Data </TITLE>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="css/demo.css" type="text/css">
<link rel="stylesheet" href="css/zTreeStyle/zTreeStyle.css" type="text/css">
<script type="text/javascript" src="js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="js/jquery.ztree.core-3.5.js"></script>

<SCRIPT type="text/javascript">

<!--
  var setting = {
    data: {
     simpleData: {
      enable: true
     }
    }
   };

//var zNodes =$(function(){ var jsonArray = $.load("chinaList")});

  $(document).ready(function(){
   var zNodes;

   jQuery.getJSON(
     "jchina.action",function(object){
      zNodes = object;
      $.fn.zTree.init($("#treeDemo"), setting, zNodes);
     });
  });
  //-->
</SCRIPT>
</HEAD>

<BODY>
  <ul id="treeDemo" class="ztree"></ul>

</BODY>
</HTML>

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function(object)里的object是jchina.action的输出值，另外znodes= jQuery.getJSON(
"jchina.action",function(object) 这样写是错误的