小编sag*_*gar的帖子

我试图理解后面的正则表达式,我理解了初始部分但不能弄清楚{3,19}在这里做了什么

/[A-Z][A-Za-z0-9\s]{3,19}$/

我正在尝试使用loadData方法在JSONStore中加载数据,但它只在商店中加载单个记录.这是代码片段

var myRecord = Ext.data.Record.create([
    {
        name: 'Rid',
        type: 'string',
        mapping: 'id.value'
    }, {
        name: 'accountId',
        type: 'string',
        mapping: 'accountId.value'
    }, {
        name: 'nickName',
        type: 'string'
    }
]);

var myStore = new Ext.data.JsonStore({
        storeId: 'storeID',
        fields: myRecord,           
        root: 'recipientResponse',
        autoLoad: false

});

myStore.loadData(jsonResponse,true);

这是我传递给loadData方法的示例JSON响应

{ recipientResponse: [
    {
        "id":{
            "value":"58144340bedf4a328669c98b29446b6b"
        },
        "locked":null,
        "accountId":{
            "type":null,
            "value":"1122334455"
        },
        "nickName":"Dad",
        "customerId":{
            "value":"partialpay7"
        },
        "accountType":"CHECKING", 
        "emailAddress":"blah@blah.com",
        "person":null,
        "deleted":null,
        "txPasscode":"Cho"
     },
     {
        "id":{
            "value":"5fb1e201a939433faea6c39e33caef78"
        },
        "locked":null,
        "accountId":{
            "type":null,
            "value":"6655223311"
        },
        "nickName":"Jane Doe",
        "customerId":{
            "value":"partialpay7"
        }, …