//从本地数组得到
var arr=[[1,'Bill','Garderner'],[2,'Ben','Horticulturalist']];//用以代替从数据库获得的数据
var reader = new Ext.data.ArrayReader(
    {id:0},
    [
        {name:'name',mapping:1},
        {name:'occupation',mapping:2}
    ]
);

var store = new Ext.data.Store({
    reader:reder
});
store:loadData(arr);

?http://www.360doc.com/content/09/1217/18/65546_11366844.shtml