转自:https://www.cnblogs.com/bluestorm/archive/2013/06/14/3135361.html
新版4.2的extjs已经废弃了simpleStore -->替换为ArrayStore
Ext.data.ArrayStore
Ext.data.SimpleStore简单数据存储器
参数:
data:Array数组类型.
fields:数组对应的字段名称。
var data1=[1,"订单1","168¥","送到北京"]
var store=new Ext.data.SimpleStore({data:data1,fields:["id","order_SN","price","demo"]});
Class Ext.data.SimpleStore
http://dev.sencha.com/playpen/docs/output/Ext.data.SimpleStore.html