ext grid 分页 数据不显示

编程技术  /  houtizong 发布于 3年前   126
我的ext  php后台怎么不显示数据,我用firebug能看到数据,望各位能帮帮忙。
a.php显示
<html><link rel="stylesheet" type="text/css" href="/ad/publisher/js/ext2/resources/css/ext-all.css" /><script type="text/javascript" src="/ad/publisher/js/ext2/adapter/ext/ext-base.js"></script><script type="text/javascript" src="/ad/publisher/js/ext2/ext-all.js"></script><script type="text/javascript" src="/ad/publisher/js/ext2/examples/examples.js"></script><link rel="stylesheet" type="text/css" href="/ad/publisher/js/ext2/examples/grid/grid-examples.css" /><script>Ext.onReady(function(){    var sm = new Ext.grid.CheckboxSelectionModel();        var cm = new Ext.grid.ColumnModel([        new Ext.grid.RowNumberer(),        sm,        {header:"编号",dataIndex:"id"},        {header:"名称",dataIndex:"name"},        {header:"描述",dataIndex:"descn"}    ]);    cm.defaultSortable = true;    var ds = new Ext.data.Store({      proxy: new Ext.data.HttpProxy({url:"/ad/admin/module/admanage/hotspot/date.php"}),reader: new Ext.data.JsonReader({            totalProperty: "totalProperty",            root: "root"        }, [            {name: "id"},            {name: "name"},            {name: "descn"}        ])    });        var grid = new Ext.grid.GridPanel({        el: "grid3",        ds: ds,        cm: cm,        sm: sm,        title: "ASP->JSON",        bbar: new Ext.PagingToolbar({            pageSize: 10,            store: ds,            displayInfo: true,            displayMsg: "显示第 {0} 条到 {1} 条记录,一共 {2} 条",            emptyMsg: "没有记录"        }),        tbar: new Ext.PagingToolbar({            pageSize: 10,            store: ds,            displayInfo: true,            displayMsg: "显示第 {0} 条到 {1} 条记录,一共 {2} 条",            emptyMsg: "没有记录"        }),        height:500,        width:860        //autoHeight: true//一定要写,否则显示的数据会少一行    }); ds.load({params:{start:0,limit:10}});    grid.render();});</script><div id="grid3"></div></html>       

data.php
<?$start= $vars["start"];$limit = $vars["limit"];        $db = new ps_DB;        $db->connect();        $hot = new Hot(null,$db);        $rs = $hot->LoadList($start,$limit);        $db->close();        $cu = 200;        $cou = count($rs);?>{totalProperty:<?=$cu?>,root:[<?        foreach($rs as $num=>$obj)        {                $name = iconv("gb2312", "UTF-8", $obj->name);?>{'id':'<?=$obj->id?>','name':'<?=$name?>','descn':descn'<?=$obj->id?>'}<?                if($num+1 != $cou) {                ?>,<?                }        }        ?>]}

页面/data.php?limit=10&start=0
显示结果为:
{totalProperty:200,root:[{'id':'224','name':'224','descn':descn'224'},{'id':'10','name':'10','descn':descn'10'},{'id':'55','name':'55','descn':descn'55'},{'id':'90','name':'90','descn':descn'90'},{'id':'112','name':'112','descn':descn'112'},{'id':'206','name':'206','descn':descn'206'},{'id':'207','name':'207','descn':descn'207'},{'id':'208','name':'208','descn':descn'208'},{'id':'209','name':'209','descn':descn'209'},{'id':'210','name':'210','descn':descn'210'}]}

请问各位为什么在friebug中能显示json的值,而在a.php中数据老是不显示?

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