日期:2014-05-16  浏览次数:20633 次

EXT读取后台json数据的问题
刚开始接触EXT,可以搞了2天了,一个小小的测试都没有搞出来 
大侠们帮忙看看吧 ~~~ 后台能取到数据,可前台怎么都取不到json,页面上能显示出grid框和列 但是没有数据;大家看我的代码可能会发现我的列都是中文的,这是由于我们的项目的原因,我查过资料EXT对中文取值是支持的

我的jsp也是UTF-8的

  

json的后台打印:{"pageInfo":1,"data":[{"签发人":"","归档":"","登记号":"001","保管期限":"10年","文件标题":"关于什么的测试情况","原文路径":"","份数":"","主题词":"啊","备注":"","正文":"","归档份数":"","处理单":"","密级":"机密","责任者":"啊","拟稿人":"","办结提示":"","分类号":"020","成文日期":"20081009","页数":"1","全宗号":"","缓急程度":"","签发时间":"","拟稿部门":"","主办部门":"","文号":"综[2008]1号","附件":"","登记日期":"20081009"}]}


java(action)的写法:

[code="java"]JSONArray ary = new JSONArray(recodList);
JSONObject jo = new JSONObject();
jo.put("data", ary);
jo.put("pageInfo",recodList.size());
String jstr=jo==null?"":jo.toString();
boolean scriptTag = false;
String cb = request.getParameter("callback");
if (cb != null) {
    scriptTag = true;
    response.setContentType("text/html;charset=UTF-8");
} else {//"text/html;charset=UTF-8"  "text/javascript;charset=UTF-8"  "application/x-json;charset=UTF-8"
    response.setContentType("text/html;charset=UTF-8");
}
if (scriptTag) {
jstr = cb + "("+jstr+")";
}
System.out.println(jstr);
response.getWriter().print(jstr);[/code]

jsp(js代码)

[code="java"]
<html>
<head>
<link rel="stylesheet" type="text/css" href="scripts/ext/resources/css/ext-all.css" />
<script type="text/javascript" src="scripts/ext/adapter/ext/ext-base.js"> </script>
<script type="text/javascript" src="scripts/ext/ext-all.js"> </script>
<script type="text/javascript" src="scripts/ext/ext-all-debug.js"> </script>
<script type="text/javascript" src="scripts/ext/source/locale/ext-lang-zh_CN.js"> </script>
<script type="text/javascript" >
  var APP_PATH='/esoaisapp';

Ext.onReady(function(){

function toggleDetails(btn, pressed){
        var view = grid.getView();
        view.showPreview = pressed;
        view.refresh();
    }
var ds= new Ext.data.Store({
proxy: new Ext.data.HttpProxy({url: "listPreArchiveEdit.html?content.method=TestGtSearch&contentPath=/preArchive/1@2/1@299/29@332/4@346/3@456/@458"}),
reader: new Ext.data.JsonReader({
totalProperty:"pageInfo",
root:"data",
fields:[
              {name:"密级"},
              {name:"办结提示"},
              {name:"成文日期"},
              {name:"附件"},     
              {name: