我在Sencha同事的帮助下解决了这个问题。谢谢丹。解决方法如下：
构造json数据如下
{
"data": [
{
"School": "Dukes",
"wins": "3"
},
{
"School": "Emmaus",
"wins": "10"
},
{
"School": "Maryland",
"wins": "5"
},
{
"School": "Virginia",
"wins": "2"
}
]
}
使用以下数据存储
window.store1 = new Ext.data.Store({
model: 'Details',
proxy: {
type: 'ajax',
url: 'GetDataset.json',
reader: {
root: 'data',
type: 'json'
}
},
autoLoad: true
});
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